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| | gshA | Glutamate--cysteine ligase EgtA; Catalyzes the synthesis of gamma-glutamylcysteine (gamma-GC). This compound is used as substrate for the biosynthesis of the low-molecular thiol compound ergothioneine (By similarity). (432 aa) |
| | mec | Possible hydrolase; Protease that hydrolyzes the covalent CysO-cysteine adduct synthesized by CysM to release L-cysteine and regenerate CysO. (146 aa) |
| | Rv1322A | Rv1322A, len: 152 aa. Conserved protein, similar to proteins from Mycobacterium leprae and Streptomyces coelicolor e.g. AL583921_2|ML1157 from M. leprae strain tn (155 aa), FASTA scores: opt: 771, E(): 5.1e-43, (75.3% identity in 154 aa overlap); and AL137242_2 from Streptomyces coelicolor (146 aa), FASTA scores: opt: 404,E(): 2e-19, (43.165% identity in 139 aa overlap). (152 aa) |
| | thrC | Threonine synthase ThrC (ts); Catalyzes the gamma-elimination of phosphate from L- phosphohomoserine and the beta-addition of water to produce L- threonine. (360 aa) |
| | thrA | Rv1294, (MTCY373.14), len: 441 aa. Probable thrA (hom), homoserine dehydrogenase, highly similar to DHOM_MYCLE|P46806 from Mycobacterium leprae (441 aa), FASTA scores: opt: 2437, E():0, (89.5% identity in 438 aa overlap). Contains PS00017 ATP/GTP-binding site motif A; PS01042 Homoserine dehydrogenase signature. Belongs to the homoserine dehydrogenase family. (441 aa) |
| | cysN | Sulfate adenylyltransferase subunit 1; ATP sulfurylase may be the GTPase, regulating ATP sulfurylase activity; In the C-terminal section; belongs to the APS kinase family. (614 aa) |
| | cysD | Rv1285, (MTCY373.04), len: 332 aa. Probable cysD,sulfate adenylyltransferase subunit 2 (see Wooff et al.,2002), homology suggests start site at aa 24 or 28, similar to e.g. CYSD_ECOLI|P21156 sulfate adenylate transferase subunit 2 from Escherichia coli (302 aa), FASTA score: opt: 973, E():0, (52.5% identity in 303 aa overlap). Also similar to Mycobacterium tuberculosis Rv2392,3'-phosphoadenylylsulfate reductase. Belongs to the PAPS reductase family. CYSD subfamily. Thought to be differentially expressed within host cells (see Triccas et al., 1999). (332 aa) |
| | mrp | Probable Mrp-related protein Mrp; Binds and transfers iron-sulfur (Fe-S) clusters to target apoproteins. Can hydrolyze ATP; In the C-terminal section; belongs to the Mrp/NBP35 ATP- binding proteins family. (390 aa) |
| | mshB | 1D-myo-inositol 2-acetamido-2-deoxy-alpha-D-glucopyranoside deacetylase; Catalyzes the deacetylation of 1D-myo-inositol 2-acetamido-2- deoxy-alpha-D-glucopyranoside (GlcNAc-Ins) in the mycothiol (MSH) biosynthesis pathway. Shows some amidase activity toward S-conjugates of mycothiol; Belongs to the MshB deacetylase family. (303 aa) |
| | mcr | Alpha-methylacyl-CoA racemase Mcr; Rv1143, (MTCI65.10), len: 360 aa. Probable mcr,alpha-methylacyl-CoA racemase. Strong similarity to other alpha-methylacyl-CoA racemases and also some similarity to L-carnitine dehydratase e.g. U89905|g1552373 methylacyl-CoA racemase alpha from Norway rat (361 aa), FASTA scores: opt: 1035, E():0, (47.2% identity in 339 aa overlap). Equivalent to (but longer than) Z94723|MLCB33_13 Mycobacterium leprae (253 aa) (85.3% identity in 245 aa overlap). Also similar to Mycobacterium tuberculosis putative racemases Rv0855,Rv1866, Rv3272; Belongs to the CoA-trans [...] (360 aa) |
| | metE | 5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. (759 aa) |
| | mca | Mycothiol conjugate amidase Mca (mycothiol S-conjugate amidase); A mycothiol (MSH, N-acetyl-cysteinyl-glucosaminyl-inositol) S-conjugate amidase, it recycles conjugated MSH to the N-acetyl cysteine conjugate and the MSH precursor. Involved in MSH-dependent detoxification of a number of alkylating agents and antibiotics. Activity is specific for the mycothiol moiety. Has a low but measurable deacetylation activity on GlcNAc-Ins (N-acetyl-glucosaminyl-inositol), and thus can also directly contribute to the production of MSH. (288 aa) |
| | metB | Cystathionine gamma-synthase MetB (CGS) (O-succinylhomoserine [thiol]-lyase); Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction (By similarity). In the absence of thiol, catalyzes gamma-elimination to form 2-oxobutanoate, succinate and ammonia. (388 aa) |
| | cbs | Probable cystathionine beta-synthase Cbs (serine sulfhydrase) (beta-thionase) (hemoprotein H-450); Rv1077, (MTV017.30), len: 464 aa. Probable cbs (previously cysM2), cystathionine beta-synthase, similar throughout its length to many eukaryotic cystathionine beta-synthases e.g. P32232|CBS_RAT cystathionine beta-synthase (560 aa), FASTA scores: opt: 951, E(): 0,(40.2% identity in 450 aa overlap); also similar in N-terminal domain (aa 1 - 330) to Rv2334|MTCY98.03 CysK Mycobacterium tuberculosis (310 aa), FASTA scores: opt: 855, E(): 0, (46.8% identity in 314 overlap); and other cysteine s [...] (464 aa) |
| | sucC | Probable succinyl-CoA synthetase (beta chain) SucC (SCS-beta); Succinyl-CoA synthetase functions in the citric acid cycle (TCA), coupling the hydrolysis of succinyl-CoA to the synthesis of either ATP or GTP and thus represents the only step of substrate-level phosphorylation in the TCA. The beta subunit provides nucleotide specificity of the enzyme and binds the substrate succinate, while the binding sites for coenzyme A and phosphate are found in the alpha subunit. (387 aa) |
| | cysK2 | S-sulfocysteine synthase; Catalyzes the synthesis of S-sulfocysteine, utilizing O- phosphoserine (OPS) and thiosulfate as substrates. To a lesser extent, can also use sulfide as donor substrate, producing L-cysteine. CysK2 thus provides a third metabolic route to cysteine, either directly using sulfide as donor or indirectly via S-sulfocysteine. S- sulfocysteine might also act as a signaling molecule triggering additional responses in redox defense in the pathogen upon exposure to reactive oxygen species during intracellular survival or dormancy. Cannot utilize thiocarboxylated CysO as [...] (372 aa) |
| | Rv0843 | Rv0843, (MTV043.36), len: 334 aa. Probable dehydrogenase, similar to various dehydrogenases e.g. Q46142|Q46142 TPP-dependent acetoin dehydrogenase (326 aa),FASTA scores: opt: 500, E(): 2.4e-26, (32.3% identity in 300 aa overlap); P51267|ODPA_PORPU pyruvate dehydrogenase E1 component from Porphyra purpurea (344 aa), FASTA scores: opt: 451, E(): 4.7e-23, (29.6% identity in 311 aa overlap); etc. Also similar to Rv2497c|pdhA pyruvate dehydrogenase E1 component from Mycobacterium tuberculosis (367 aa). (334 aa) |
| | mshD | GCN5-related N-acetyltransferase, MshD; Catalyzes the transfer of acetyl from acetyl-CoA to desacetylmycothiol (Cys-GlcN-Ins) to form mycothiol. Belongs to the acetyltransferase family. MshD subfamily. (315 aa) |
| | Rv0811c | Conserved protein; Rv0811c, (MTV043.03c), len: 368 aa. Conserved protein, equivalent to U2266F|U15182|MLU15182_13 hypothetical protein from Mycobacterium leprae (366 aa),FASTA scores: opt: 1870, E(): 0, (77.4% identity in 367 aa overlap). Also highly similar to BAA89441.1|AB003158|ORF4 hypothetical protein from Corynebacterium ammoniagenes (359 aa); and CAB94085.1|AL358692 conserved hypothetical protein from Streptomyces coelicolor (321 aa); Belongs to the GcvT family. (368 aa) |
| | Rv0802c | Possible succinyltransferase in the GCN5-related N-acetyltransferase family; May function as a succinyl-CoA transferase. (218 aa) |
| | ggtA | Gamma-glutamyltranspeptidase / glutathione hydrolase; Rv0773c, (MTCY369.18), len: 512 aa. Probable ggtA,bifunctional acylase including cephalosporin acylase, and gamma-glutamyl transpeptidase; highly similar to others e.g. NP_295247.1|NC_001263 cephalosporin acylase from Deinococcus radiodurans (535 aa); NP_248854.1|NC_002516 probable gamma-glutamyltranspeptidase from Pseudomonas aeruginosa (538 aa); P15557|PAC1_PSES3 acylase ACY 1 [includes: cephalosporin acylase (GL-7ACA acylase); gamma-glutamyltranspeptidase (GGT)] from Pseudomonas sp. strain SE83 (558 aa), FASTA scores: opt: 784, E [...] (512 aa) |
| | mapA | Methionine aminopeptidase MapA (map) (peptidase M) (MetAP); Removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). Requires deformylation of the N(alpha)-formylated initiator methionine before it can be hydrolyzed. (266 aa) |
| | pnp | Probable 5'-methylthioadenosine phosphorylase Pnp (MTA phosphorylase); Catalyzes the reversible phosphorylation of S-methyl-5'- thioadenosine (MTA) to adenine and 5-methylthioribose-1-phosphate. Involved in the breakdown of MTA, a major by-product of polyamine biosynthesis. Responsible for the first step in the methionine salvage pathway after MTA has been generated from S-adenosylmethionine. Prefers MTA, with 2% activity on adenosine, 0.8% activity on S-adenosyl-L- homocysteine and no activity on other tested nucleosides; Belongs to the PNP/MTAP phosphorylase family. MTAP subfamily. (264 aa) |
| | fabH | 3-oxoacyl-[acyl-carrier-protein] synthase III FabH (beta-ketoacyl-ACP synthase III) (KAS III); Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Has some substrate specificity for long chain acyl-CoA such as myristoyl-CoA. Does not use acyl-CoA as primer. Its substrate spec [...] (335 aa) |
| | cmaA2 | Cyclopropane mycolic acid synthase 2; Catalyzes the formation of trans cyclopropanated ketomycolate or methoxymycolate through the conversion of a double bond to a cyclopropane ring at the proximal position of an oxygenated mycolic acid via the transfer of a methylene group from S-adenosyl-L- methionine. In the absence of MmaA2, CmaA2 has a non-specific cis- cyclopropanating activity and is able to catalyze the conversion of a double bond to a cis cyclopropane ring at the distal position of an alpha mycolic acid. Cyclopropanated mycolic acids are key factors participating in cell envel [...] (302 aa) |
| | mshA | Glycosyltransferase MshA; Catalyzes the transfer of an N-acetyl-glucosamine moiety to 1D-myo-inositol 3-phosphate to produce 1D-myo-inositol 2-acetamido-2- deoxy-glucopyranoside 3-phosphate in the mycothiol (MSH) biosynthesis pathway. MSH and WhiB3 are probably part of a regulatory circuit that mediates gene expression upon acid stress (like that found in host macrophage phagosomes). MSH is one of the major redox buffers which protects bacteria against redox stressors and antibiotics; loss of MSH or ergothioneine (ERG, the other major redox buffer in this bacteria) leads to respiratory [...] (480 aa) |
| | pcaA | Mycolic acid synthase PcaA (cyclopropane synthase); Involved in the phagosome maturation block (PMB). Catalyzes the conversion of a double bond to a cyclopropane ring at the proximal position of an alpha mycolic acid via the transfer of a methylene group from S-adenosyl-L-methionine. It can use cis, cis 11,14-eicosadienoic acid and linoelaidic acid as substrate. Cyclopropanated mycolic acids are key factors participating in cell envelope permeability, host immunomodulation and persistence. (287 aa) |
| | thiC | Probable thiamine biosynthesis protein ThiC; Catalyzes the synthesis of the hydroxymethylpyrimidine phosphate (HMP-P) moiety of thiamine from aminoimidazole ribotide (AIR) in a radical S-adenosyl-L-methionine (SAM)-dependent reaction. Belongs to the ThiC family. (547 aa) |
| | thiD | Probable phosphomethylpyrimidine kinase ThiD (HMP-phosphate kinase) (HMP-P kinase); Catalyzes the phosphorylation of hydroxymethylpyrimidine phosphate (HMP-P) to HMP-PP, and of HMP to HMP-P. Belongs to the ThiD family. (265 aa) |
| | thiG | Probable thiamin biosynthesis protein ThiG (thiazole biosynthesis protein); Catalyzes the rearrangement of 1-deoxy-D-xylulose 5-phosphate (DXP) to produce the thiazole phosphate moiety of thiamine. Sulfur is provided by the thiocarboxylate moiety of the carrier protein ThiS. In vitro, sulfur can be provided by H(2)S. (252 aa) |
| | thiO | Rv0415, (MTCY22G10.12), len: 340 aa. Possible thiO,thiamine biosynthesis oxidoreductase, equivalent to T44739|4154054|CAA22708.1|AL035159|MLCB1450.24 hypothetical protein from Mycobacterium leprae (340 aa), FASTA scores: opt: 1867, E(): 0, (82.0% identity in 338 aa overlap). Shows some similarity to other thiO proteins e.g. THIO_RHIET|O34292 Putative thiamine biosynthesis oxidoreductase from Rhizobium etli plasmid pb (327 aa) (see citation below); AAG31046.1|AF264948_8|THIO putative amino acid oxidase flavoprotein ThiO from Erwinia amylovora (349 aa); NP_106392.1|14025578|BAB52178.1|AP [...] (340 aa) |
| | thiE | Thiamine-phosphate synthase; Condenses 4-methyl-5-(beta-hydroxyethyl)thiazole monophosphate (THZ-P) and 2-methyl-4-amino-5-hydroxymethyl pyrimidine pyrophosphate (HMP-PP) to form thiamine monophosphate (TMP). (222 aa) |
| | ackA | Probable acetate kinase AckA (acetokinase); Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction; Belongs to the acetokinase family. (385 aa) |
| | pta | Probable phosphate acetyltransferase Pta (phosphotransacetylase); Involved in acetate metabolism; In the C-terminal section; belongs to the phosphate acetyltransferase and butyryltransferase family. (690 aa) |
| | fadE7 | Acyl-CoA dehydrogenase FadE7; Rv0400c, (MTCY04D9.12c), len: 395 aa. Probable fadE7, acyl-CoA dehydrogenase, similar to many e.g. CAC12923.1|AL445403 putative acyl CoA dehydrogenase from Streptomyces coelicolor (397 aa); G624219 glutaryl-CoA dehydrogenase precursor (438 aa), FASTA scores: opt: 1161,E(): 0, (48.1% identity in 391 aa overlap); etc. (395 aa) |
| | metZ | Probable O-succinylhomoserine sulfhydrylase MetZ (OSH sulfhydrylase); Catalyzes the formation of L-homocysteine from O-succinyl-L- homoserine (OSHS) and hydrogen sulfide. (406 aa) |
| | Rv0323c | Rv0323c, (MTCY63.28c), len: 223 aa. Conserved hypothetical protein, similar to others e.g. YPJG_BACSU|P42981 hypothetical 24.8 kDa protein from Bacillus subtilis (224 aa), FASTA scores: opt: 182, E(): 1.3e-05, (27.5% identity in 211 aa overlap). Also some similarity to MLU15183_8 from Mycobacterium tuberculosis FASTA score: (32.0% identity in 147 aa overlap). Alternative nucleotide at position 390828 (T->C; S142G) has been observed. This region is a possible MT-complex-specific genomic island (See Becq et al.,2007). (223 aa) |
| | stf0 | Conserved protein; Catalyzes the sulfuryl group transfer from 3'- phosphoadenosine-5'-phosphosulfate (PAPS) to trehalose, leading to trehalose-2-sulfate (T2S). The sulfation of trehalose is the first step in the biosynthesis of sulfolipid-1 (SL-1), a major cell wall glycolipid and the most abundant sulfated metabolite found in Mycobacterium tuberculosis, that is a potential virulence factor thought to mediate host-pathogen interactions. (267 aa) |
| | oplA | Rv0266c, (MTCY06A4.10c), len: 1209 aa. Probable oplA, 5-oxoprolinase, highly similar to others or to hypothetical proteins e.g. AAK24340.1|AE005906 hydantoinase/oxoprolinase from Caulobacter crescentus (1196 aa); NP_103129.1|14022305|BAB48915.1|AP002997 5-oxoprolinase from Mesorhizobium loti (1210 aa); CAC48426.1|AL603642 conserved hypothetical protein from Sinorhizobium meliloti (1205 aa); S77037|slr0697|1006579|BAA10729.1|D6400 hypothetical protein from Synechocystis sp. strain PCC 6803 (1252 aa),FASTA scores: opt: 2016, E(): 0, (51.4% identity in 1247 aa overlap); P97608|OPLA_RAT|T4 [...] (1209 aa) |
| | mtn | 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase; Catalyzes the irreversible cleavage of the glycosidic bond in both 5'-methylthioadenosine (MTA) and S-adenosylhomocysteine (SAH/AdoHcy) to adenine and the corresponding thioribose, 5'- methylthioribose and S-ribosylhomocysteine, respectively. (255 aa) |
| | metK | S-adenosylmethionine synthase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. (403 aa) |
| | rimI | N-alpha-acetyltransferase RimI; N-alpha-acetyltransferase that specifically mediates the acetylation of N-terminal residues. Able to mediate acetylation of a wide variety of N-terminal residues, with preference for hydrophobic N- termini. Acetylates GroS/GroES and GroEL1. Able to acetylate the ribosomal protein S18, but it is unclear whether it acetylates its N- terminal alanine residue; Belongs to the acetyltransferase family. RimI subfamily. (158 aa) |
| | acs | Acetyl-coenzyme A synthetase; Catalyzes the conversion of acetate into acetyl-CoA (AcCoA), an essential intermediate at the junction of anabolic and catabolic pathways. AcsA undergoes a two-step reaction. In the first half reaction, AcsA combines acetate with ATP to form acetyl-adenylate (AcAMP) intermediate. In the second half reaction, it can then transfer the acetyl group from AcAMP to the sulfhydryl group of CoA, forming the product AcCoA. M.tuberculosis may use AcsA for both acetate and propionate assimilation; Belongs to the ATP-dependent AMP-binding enzyme family. (651 aa) |
| | Rv3684 | Probable lyase; Rv3684, (MTV025.032), len: 346 aa. Probable lyase, and more specifically a cysteine synthase, highly similar to many lyases e.g. Q9K3N2|SCG20A.08c putative lyase from Streptomyces coelicolor (374 aa), FASTA scores: opt: 1469,E(): 3.7e-85, (63.35% identity in 341 aa overlap) (shorter 31 aa at N-terminus); Q9KT44|VC1061 cysteine synthase/ cystathionine beta-synthase family protein from Vibrio cholerae (355 aa), FASTA scores: opt: 1366, E(): 1.1e-78,(63.25% identity in 321 aa overlap); Q9I4R3|PA1061 hypothetical protein from Pseudomonas aeruginosa (365 aa),FASTA scores: op [...] (346 aa) |
| | egtE | Conserved hypothetical protein; Probably catalyzes the conversion of hercynylcysteine sulfoxide to ergothioneine. Ergothioneine is an antioxidant that protects mycobacteria from oxidative stress. Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. EgtE subfamily. (390 aa) |
| | egtD | Conserved hypothetical protein; Catalyzes the SAM-dependent triple methylation of the alpha- amino group of histidine to form hercynine, a step in the biosynthesis pathway of ergothioneine; Belongs to the methyltransferase superfamily. EgtD family. (321 aa) |
| | egtC | Conserved hypothetical protein; Catalyzes the hydrolysis of the gamma-glutamyl amide bond of hercynyl-gamma-L-glutamyl-L-cysteine sulfoxide to produce hercynylcysteine sulfoxide, a step in the biosynthesis pathway of ergothioneine. Ergothioneine is an antioxidant that protects mycobacteria from oxidative stress. (233 aa) |
| | egtB | Conserved hypothetical protein; Catalyzes the oxidative sulfurization of hercynine (N- alpha,N-alpha,N-alpha-trimethyl-L-histidine) into hercynyl-gamma-L- glutamyl-L-cysteine sulfoxide, a step in the biosynthesis pathway of ergothioneine. Ergothioneine is an antioxidant that protects mycobacteria from oxidative stress. (425 aa) |
| | cysO | Sulfur carrier protein CysO; In its thiocarboxylated form (CysO-COSH), is the sulfur donor in the CysM-dependent cysteine biosynthetic pathway. May be of particular importance for cysteine biosynthesis in the persistent phase of M.tuberculosis; Belongs to the sulfur carrier protein CysO family. (93 aa) |
| | asd | Aspartate-semialdehyde dehydrogenase; Catalyzes the NADPH-dependent formation of L-aspartate- semialdehyde (L-ASA) by the reductive dephosphorylation of L-aspartyl- 4-phosphate. Is essential for the growth and pathogenicity of M.tuberculosis, and for the generation of the bacterial cell wall ; Belongs to the aspartate-semialdehyde dehydrogenase family. (345 aa) |
| | Rv3762c | Possible hydrolase; Rv3762c, (MTV025.110c), len: 626 aa. Possible hydrolase, highly similar to hypothetical proteins and beta-lactamases e.g. Q9RL04|SC5G9.23 hypothetical 70.3 KDA protein from Streptomyces coelicolor (648 aa), FASTA scores: opt: 2088, E(): 3.7e-124, (52.9% identity in 624 aa overlap); P32717|YJCS_ECOLI|B4083 hypothetical 73.2 KDA protein from Escherichia coli strain K12 (661 aa), FASTA scores: opt: 1911, E(): 5.7e-113, (46.9% identity in 631 aa overlap); Q9A824|CC1540 metallo-beta-lactamase family protein from Caulobacter crescentus (647 aa), FASTA scores: opt: 1891, E [...] (626 aa) |
| | papA2 | Possible conserved polyketide synthase associated protein PapA2; Catalyzes the acylation of trehalose-2-sulfate by adding the palmitoyl group at the 2'-position to yield the intermediate trehalose- 2-sulfate-2'-palmitate (SL659) during the cell wall sulfolipid-1 (SL-1) biosynthesis; Belongs to the PapA acyltransferase family. (468 aa) |
| | mmpL8 | Conserved integral membrane transport protein MmpL8; Required for the biosynthesis and the transport across the inner membrane of sulfolipid-1 (SL-1), which is a major cell wall lipid of pathogenic mycobacteria. Could also transport SL1278 (2-palmitoyl-3- (C43)-phthioceranyl-alpha, alpha'-D-trehalose-2'-sulfate), which is the precursor of SL-1. Required for virulence. (1089 aa) |
| | papA1 | Conserved polyketide synthase associated protein PapA1; Catalyzes the acylation of trehalose-2-sulfate-2'-palmitate (SL659) by adding the (hydroxy)phthioceranoyl group at the 3'-position to yield the diacylated intermediate 2-palmitoyl-3-(C43)-phthioceranyl- alpha, alpha'-D-trehalose-2'-sulfate (SL1278) during the cell wall sulfolipid-1 (SL-1) biosynthesis; Belongs to the PapA acyltransferase family. (511 aa) |
| | fadD23 | Probable fatty-acid-AMP ligase FadD23 (fatty-acid-AMP synthetase) (fatty-acid-AMP synthase); Catalyzes the activation of long-chain fatty acids as acyl- coenzyme A (acyl-CoA), which are then transferred to the multifunctional polyketide synthase (PKS) type III for further chain extension (Probable). Involved in the biosynthesis of sulfolipid 1 (SL- 1); Belongs to the ATP-dependent AMP-binding enzyme family. (584 aa) |
| | Rv1461 | Conserved protein; Rv1461, (MTV007.08), len: 846 aa. Conserved protein. Equivalent of spliced protein from Mycobacterium leprae MLCL536.28c len: 869. Residues 1-253 represent N-extein,and 613-846 the C-extein. The intein present from residues 254 - 612 is different in sequence and site of the insertion from the one present in MLCL536.28c. FASTA scores: Z99125|MLCL536_23 Mycobacterium leprae cosmid L536 (869 aa), opt: 1498 E(): 0, (54.1% identity in 917 aa overlap). The mature protein is similar to Z99120|BSUB0017_150 hypothetical Bacillus subtilis protein (465 aa), FASTA scores: opt:10 [...] (846 aa) |
| | Rv1462 | Rv1462, (MTV007.09), len: 397 aa. Conserved hypothetical protein. Equivalent to MLCL536.27c|Z99125 hypothetical protein from Mycobacterium leprae (392 aa),FASTA scores: opt: 2059, E(): 0, (80.4% identity in 392 aa overlap). Also similar to nearby Mycobacterium tuberculosis hypothetical protein Rv1461. (397 aa) |
| | csd | Probable cysteine desulfurase Csd; Catalyzes the removal of elemental sulfur and selenium atoms from L-cysteine, L-cystine, L-selenocysteine, and L-selenocystine to produce L-alanine; Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. Csd subfamily. (417 aa) |
| | Rv1465 | Rv1465, (MTV007.12), len: 162 aa. Possible nitrogen fixation related protein. Equivalent to Z99125|MLCL536.24c nitrogen fixation protein NIFU from Mycobacterium leprae (165 aa), FASTA scores: opt: 870, E(): 0, (81.8% identity in 165 aa overlap). Also similar to O32163|Z99120|NIFU_BACSU NifU-like protein from Bacillus subtilis (147 aa), FASTA scores: opt: 354, E(): 4.1e-17,(38.3% identity in 141 aa overlap) and to AL096839|SCC22.02 hypothetical protein from Streptomyces coelicolor (156 aa),FASTA scores: opt: 569, E(): 1.2e-31, (56.3% identity in 158 aa overlap). (162 aa) |
| | bioA | Adenosylmethionine-8-amino-7-oxononanoate aminotransferase BioA; Catalyzes the reversible transfer of the alpha-amino group from S-adenosyl-L-methionine (SAM) to 7-keto-8-aminopelargonic acid (KAPA) to form 7,8-diaminopelargonic acid (DAPA). It is the only animotransferase known to utilize SAM as an amino donor. Can also use sinefungin as substrate. (437 aa) |
| | bioF1 | 8-amino-7-oxononanoate synthase 1; Catalyzes the decarboxylative condensation of pimeloyl-[acyl- carrier protein] and L-alanine to produce 8-amino-7-oxononanoate (AON), [acyl-carrier protein], and carbon dioxide (By similarity). Can also use pimeloyl-CoA instead of pimeloyl-ACP as substrate. To a lesser extent, can also utilize D-alanine instead of L-alanine as substrate. Belongs to the class-II pyridoxal-phosphate-dependent aminotransferase family. BioF subfamily. (386 aa) |
| | bioD | Dethiobiotin synthetase BioD; Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. Belongs to the dethiobiotin synthetase family. (226 aa) |
| | bioB | Probable biotin synthetase BioB; Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism. (349 aa) |
| | tesB1 | Rv1618, (MTCY01B2.10), len: 300 aa. Probable tesB1,acyl-CoA thioesterase II, similar to other acyl-CoA thioesterases e.g. TESB_ECOLI|P23911 acyl-CoA thioesterase II from Escherichia coli (285 aa), FASTA scores: opt: 495,E(): 2.9e-27, (32.5% identity in 283 aa overlap); etc. Also similar to Rv2605c|tesB2 from M. tuberculosis. (300 aa) |
| | Rv1697 | Rv1697, (MTCI125.19), len: 393 aa. Conserved hypothetical protein, highly similar to Q49895|MLC1351.11C|U00021 Hypothetical protein of Mycobacterium leprae from cosmid L247 (430 aa), FASTA scores: opt: 2345, E(): 0, (90.6% identity in 393 aa overlap). A core mycobacterial gene; conserved in mycobacterial strains (See Marmiesse et al., 2004). (393 aa) |
| | Rv1739c | Probable sulphate-transport transmembrane protein ABC transporter; Expression in E.coli induces sulfate uptake during early- to mid-log phase growth. Uptake is maximal at pH 6.0, is sulfate-specific, requires E.coli CysA and the transmembrane segment but not the STAS domain of the protein. (560 aa) |
| | metH | Methionine synthase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate (By similarity); Belongs to the vitamin-B12 dependent methionine synthase family. (1192 aa) |
| | mshC | Cysteine:1D-myo-inosityl 2-amino-2-deoxy--D-glucopyranoside ligase MshC; Catalyzes the ATP-dependent condensation of GlcN-Ins and L- cysteine to form L-Cys-GlcN-Ins; Belongs to the class-I aminoacyl-tRNA synthetase family. MshC subfamily. (414 aa) |
| | cysQ | Monophosphatase CysQ; Phosphatase with a broad specificity. Its primary physiological function is to dephosphorylate 3'-phosphoadenosine 5'- phosphate (PAP) and 3'-phosphoadenosine 5'-phosphosulfate (PAPS). Thus, plays a role in mycobacterial sulfur metabolism, since it can serve as a key regulator of the sulfate assimilation pathway by controlling the pools of PAP and PAPS in the cell. To a lesser extent, is also able to hydrolyze inositol 1-phosphate (I-1-P), fructose 1,6-bisphosphate (FBP) (to fructose 6-phosphate (F-6-P)) and AMP in vitro, but this might not be significant in vivo. [...] (267 aa) |
| | Rv2204c | Conserved protein; Rv2204c, (MTCY190.15c), len: 118 aa. Conserved protein. Similar to conserved hypothetical proteins in Actinomycetes and equivalent to Mycobacterium leprae ML0871|ML0871 conserved hypothetical protein (118 aa) and to sp|P45344|YADR_HAEIN hypothetical protein HI1723 (114 aa). FASTA score: ML0871 opt: 720, E(): 8.4e-45; 92.373% identity in 118 aa overlapCAC31252.1| (AL583920); and P45344 opt: 346, E(): 1.8e-18; 45.6% identity in 103 aa overlap. Contains PS01152 Hypothetical hesB/y yadR/yfhF family signature; Belongs to the HesB/IscA family. (118 aa) |
| | ilvE | Branched-chain amino acid transaminase IlvE; Catalyzes the reversible transfers of an amino group from glutamate to the alpha-ketoacid of the respective amino acid in the final step in the biosynthesis of branchedchain amino acids. The amino acids can be ranked in the following order with respect to their efficiency as amino donor: Leu > Ile > Val. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. (368 aa) |
| | lipB | Probable lipoate biosynthesis protein B LipB; Catalyzes the transfer of endogenously produced octanoic acid from octanoyl-acyl-carrier-protein onto the lipoyl domains of lipoate- dependent enzymes. Lipoyl-ACP can also act as a substrate although octanoyl-ACP is likely to be the physiological substrate. Belongs to the LipB family. (230 aa) |
| | lipA | Probable lipoate biosynthesis protein A LipA; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives; Belongs to the radical SAM superfamily. Lipoyl synthase family. (311 aa) |
| | acpM | Meromycolate extension acyl carrier protein AcpM; Acyl carrier protein involved in meromycolate extension. Belongs to the acyl carrier protein (ACP) family. (115 aa) |
| | stf3 | Conserved hypothetical protein; Required for the sulfation of S881. S881 is a sulfated menaquinone, which is localized in the outer envelope of M.tuberculosis and negatively regulates its virulence. 3'-phosphoadenosine-5'- phosphosulfate (PAPS) is the sulfate donor. Belongs to the Stf3 family. (388 aa) |
| | sseB | Rv2291, (MTCY339.19c), len: 284 aa. Probable sseB,thiosulfate sulfurtransferase. Very similar to thiosulfate sulfurtransferas/rhodanese from Streptomyces coelicolor AL00920 4|SC9B10_21 (283 aa) opt: 765, E(): 0; Smith-Waterman score: 765; 46.9% identity in 286 aa overlap, similar to THTR_ECOLI P31142 putative thiosulfate sulfurtransferase (280 aa), FASTA scores, opt: 478, E(): 1e-23, (35.1% identity in 265 aa overlap). (284 aa) |
| | Rv2294 | Rv2294, (MTCY339.16c), len: 407 aa. Probable aminotransferase, similar to others in M. tuberculosis e.g. MTV030_19, also similar to PATB_BACSU|Q08432 putative aminotransferase b from Bacillus subtilis (387 aa), FASTA scores: opt: 563, E(): 2.8e-29, (31.4% identity in 408 aa overlap); and to MALY_ECOLI|P23256 maly protein from Escherichia coli (390 aa), FASTA scores: opt: 530, E(): 3.6e-27, (31.3% identity in 384 aa overlap). Belongs to class-II of pyridoxal-phosphate-dependent aminotransferases. (407 aa) |
| | cysK1 | O-acetylserine sulfhydrylase; Catalyzes the conversion of O-acetylserine (OAS) to cysteine through the elimination of acetate and addition of hydrogen sulfide. Belongs to the cysteine synthase/cystathionine beta- synthase family. (310 aa) |
| | cysE | Probable serine acetyltransferase CysE (sat); Catalyzes the acetylation of serine by acetyl-CoA to produce O-acetylserine (OAS); Belongs to the transferase hexapeptide repeat family. (229 aa) |
| | sirA | Ferredoxin-dependent sulfite reductase SirA; Catalyzes the reduction of sulfite to sulfide, a step in the biosynthesis of sulfur-containing amino acids and cofactors. Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (563 aa) |
| | cysH | Probable phosphoadenosine phosphosulfate reductase; Reduction of activated sulfate into sulfite. (254 aa) |
| | mmuM | Rv2458, (MTV008.14), len: 302 aa. Probable mmuM,homocysteine S-methyltransferase, equivalent to Q9CBY5|ML1478 possible transferase from Mycobacterium leprae (293 aa), FASTA scores: opt: 1507, E(): 2.7e-86,(78.85% identity in 293 aa overlap). Also similar to others e.g. Q47690|MMUM_ECOLI|B0261 homocysteine S-methyltransferase from Escherichia coli strain K12 (310 aa), FASTA scores: opt: 863, E(): 2.4e-46, (47.65% identity in 298 aa overlap); Q9FUM7 homocysteine S-methyltransferase-4 from Zea mays (Maize) (342 aa), FASTA scores: opt: 324, E(): 6.8e-13, (44.45% identity in 306 aa overlap) [...] (302 aa) |
| | bkdA | Probable branched-chain keto acid dehydrogenase E1 component, alpha subunit BkdA; Component of the branched-chain alpha-ketoacid dehydrogenase (BCKADH) complex, that catalyzes the overall conversion of branched- chain alpha-ketoacids to acyl-CoA and CO(2). (367 aa) |
| | tesB2 | Rv2605c, (MTCY01A10.28), len: 281 aa. Probable tesB2, acyl-CoA thioesterase II, highly similar to others e.g. Q98EG9|MLL4250 from Rhizobium loti (Mesorhizobium loti) (286 aa), FASTA scores: opt: 563, E(): 3.9e-29,(47.75% identity in 287 aa overlap); CAC47767 from Rhizobium meliloti (Sinorhizobium meliloti) (294 aa), FASTA scores: opt: 553, E(): 1.8e-28, (49.3% identity in 280 aa overlap); P23911|TESB_ECOLI|B0452 from Escherichia coli strain K12 (285 aa), FASTA scores: opt: 487, E(): 3.1e-24,(41.9% identity in 277 aa overlap); etc. Also similar to O06135|TESB1|Rv1618|MTCY01B2.10 acyl-Co [...] (281 aa) |
| | dxs1 | 1-deoxy-D-xylulose-5-phosphate synthase; Catalyzes the acyloin condensation reaction between C atoms 2 and 3 of pyruvate and glyceraldehyde 3-phosphate to yield 1-deoxy-D- xylulose-5-phosphate (DXP); Belongs to the transketolase family. DXPS subfamily. (638 aa) |
| | mtr | NADPH-dependent mycothiol reductase Mtr; Catalyzes the NAD(P)H-dependent reduction of mycothione (the oxidized disulfide form of mycothiol) to mycothiol. Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family. (459 aa) |
| | mapB | Methionine aminopeptidase MapB (map) (peptidase M); Removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). Requires deformylation of the N(alpha)-formylated initiator methionine before it can be hydrolyzed. (285 aa) |
| | Rv2959c | Possible methyltransferase (methylase); Catalyzes the O-methylation of the hydroxyl group located on C-2 of the first rhamnosyl residue linked to the phenolic group of glycosylated phenolphthiocerol dimycocerosates (PGL) and p- hydroxybenzoic acid derivatives (p-HBAD). (245 aa) |
| | thiL | Probable thiamine-monophosphate kinase ThiL (thiamine-phosphate kinase); Catalyzes the ATP-dependent phosphorylation of thiamine- monophosphate (TMP) to form thiamine-pyrophosphate (TPP), the active form of vitamin B1. (333 aa) |
| | Rv3015c | Rv3015c, (MTV012.29c), len: 337 aa. Conserved hypothetical protein, equivalent to Q9CBR6|ML1706 hypothetical protein from Mycobacterium leprae (337 aa),FASTA scores: opt: 1703, E(): 3.1e-92, (78.05% identity in 337 aa overlap); and (but longer 47 aa) O33101|MLCB637.09 hypothetical 30.0 KDA protein from Mycobacterium leprae (290 aa), FASTA scores: opt: 1564, E(): 2.4e-78, (78.6% identity in 290 aa overlap). Also similar to Q9Z586|SC8D9.05 hypothetical 35.0 KDA protein from Streptomyces coelicolor (331 aa), FASTA scores: opt: 774,E(): 4.7e-38, (43.4% identity in 334 aa overlap); and show [...] (337 aa) |
| | iscS | IscS-like cysteine desulfurase; Catalyzes the removal of elemental sulfur from cysteine to produce alanine (Probable). Participates in the biosynthesis of metalloclusters by providing the inorganic sulfur required for Fe-S core formation. One acceptor is Whib3, on which this enzyme assembles a 4Fe-4S cluster. It can use both L-cysteine and L-selenocysteine as substrates. (393 aa) |
| | hisN | Probable monophosphatase; Catalyzes the dephosphorylation of histidinol-phosphate to histidinol, the direct precursor of histidine; Belongs to the inositol monophosphatase superfamily. (260 aa) |
| | moeB1 | Probable adenylyltransferase/sulfurtransferase MoeZ; Catalyzes the conversion of the sulfur carrier protein CysO to CysO-thiocarboxylate. The reaction is thought to proceed in two steps: first, ATP-dependent activation of CysO as acyl-adenylate (CysO- COOAMP), followed by sulfur transfer to give CysO-thiocarboxylate (CysO-COSH) (Probable). The sulfur source is unknown. (392 aa) |
| | sahH | Probable adenosylhomocysteinase SahH (S-adenosyl-L-homocysteine hydrolase) (adohcyase); May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. (495 aa) |
| | Rv3329 | Probable aminotransferase; Probable aminotransferase. (438 aa) |
| | metC | O-acetylhomoserine sulfhydrylase MetC; Rv3340, (MTV016.40), len: 449 aa. Probable metC,O-acetyl-L-homoserine sulfhydrylase, highly similar to many e.g. Q9K9P2|BH2603 O-acetylhomoserine sulfhydrylase from Bacillus halodurans (430 aa), FASTA scores: opt: 1716, E(): 3.3e-97, (60.45% identity in 425 aa overlap); Q9HUE4|METY|PA5025 homocysteine synthase from Pseudomonas aeruginosa (425 aa), FASTA scores: opt: 1517, E(): 4.4e-85,(56.95% identity in 425 aa overlap); Q9WZY4|TM0882 O-acetylhomoserine sulfhydrylase from Thermotoga maritima (430 aa), FASTA scores: opt: 1488, E(): 2.6e-83, (55.75% [...] (449 aa) |
| | metA | Homoserine O-acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. (379 aa) |
| | folD | Methenyltetrahydrofolate cyclohydrolase; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (281 aa) |
| | dxs2 | 1-deoxy-D-xylulose-5-phosphate synthase Dxs2; Rv3379c, (MTV004.37c), len: 536 aa. Probable dxs2,1-deoxy-D-xylulose 5-phosphate synthase, similar to many e.g. Q9F1V2|DXS from Kitasatospora griseola (Streptomyces griseolosporeus) (649 aa), FASTA scores: opt: 1274, E(): 5.4e-71, (50.9% identity in 570 aa overlap); Q9X7W3|DXS_STRCO|SC6A5.17 from Streptomyces coelicolor (656 aa), FASTA scores: opt: 1248, E(): 2.2e-69, (50.55% identity in 568 aa overlap); Q9RBN6|DXS_STRC1 from Streptomyces sp. strain CL190 (631 aa), FASTA scores: opt: 1237, E(): 1e-68, (49.1% identity in 570 aa overlap); Q50 [...] (536 aa) |
| | cmaA1 | Cyclopropane mycolic acid synthase 1; Catalyzes the conversion of a double bond to a cyclopropane ring at the distal position of an alpha mycolic acid via the transfer of a methylene group from S-adenosyl-L-methionine. Cyclopropanated mycolic acids are key factors participating in cell envelope permeability, host immunomodulation and persistence. (287 aa) |
| | Rv1373 | Glycolipid sulfotransferase; Involved in the synthesis of cell wall sulfolipids with activity towards mycobacterial trehalose glycolipids and eukaryotic glycolipids such as glucosylceramide and galactosylceramide (type I and II) but not towards eukaryotic 3'-sulfate galactosylceramide. (326 aa) |
| | cysM | O-phosphoserine sulfhydrylase; Catalyzes the formation of a covalent CysO-cysteine adduct via a sulfur transfer, using the thiocarboxylated sulfur carrier protein CysO-COSH as sulfur donor and O-phospho-L-serine (OPS) as sulfur acceptor. Can also use sodium sulfide as sulfur donor in vitro, albeit with less efficiency, but not thiosulfate or thio-nitro- benzoate. O-acetylserine (OAS) is a very poor substrate in comparison with OPS. May be of particular importance for cysteine biosynthesis in the persistent phase of M.tuberculosis; Belongs to the cysteine synthase/cystathionine beta- sy [...] (323 aa) |
