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cwlM | Probable peptidoglycan hydrolase; Cell-wall hydrolase that hydrolyzes the amide bond between N- acetylmuramic acid and L-alanine in cell-wall glycopeptides. Is able to lyse whole mycobacteria, release peptidoglycan from the cell wall of M.luteus and M.smegmatis, and cleave N-acetylmuramoyl-L-alanyl-D- isoglutamine, releasing free N-acetylmuramic acid and dipeptide. (406 aa) | ||||
pknB | Transmembrane serine/threonine-protein kinase B PknB (protein kinase B) (STPK B); Protein kinase that regulates many aspects of mycobacterial physiology, and is critical for growth in vitro and survival of the pathogen in the host. Is a key component of a signal transduction pathway that regulates cell growth, cell shape and cell division via phosphorylation of target proteins such as GarA, GlmU, PapA5, PbpA, FhaB (Rv0019c), FhaA (Rv0020c), MviN, PstP, EmbR, Rv1422, Rv1747 and RseA. Also catalyzes the phosphorylation of the core proteasome alpha-subunit (PrcA), and thereby regulates th [...] (626 aa) | ||||
pbpA | Probable penicillin-binding protein PbpA; Cell wall formation. Plays an important role in cell division and cell shape maintenance by cross-linking adjacent peptidoglycan chains through transpeptidation; Belongs to the transpeptidase family. (491 aa) | ||||
rodA | Probable cell division protein RodA; Rv0017c, (MTCY10H4.17c), len: 469 aa. Probable rodA (alternate gene name: ftsW), cell division protein,integral membrane protein. Belongs to the FTSW/RODA/SPOVE family. (469 aa) | ||||
ponA1 | Penicillin-insensitive transglycosylase; Cell wall formation. Synthesis of cross-linked peptidoglycan from the lipid intermediates. The enzyme has a penicillin-insensitive transglycosylase N-terminal domain (formation of linear glycan strands) and a penicillin-sensitive transpeptidase C-terminal domain (cross- linking of the peptide subunits) (By similarity). Has little peptidoglycan hydrolytic activity; however it inhibits the synergistic peptidoglycan hydrolysis of RipA plus RpfB. (678 aa) | ||||
ldtA | Probable L,D-transpeptidase LdtA; Generates 3->3 cross-links in peptidoglycan, catalyzing the cleavage of the mDap(3)-D-Ala(4) bond of a tetrapeptide donor stem and the formation of a bond between the carbonyl of mDap(3) of the donor stem and the side chain of mDap(3) of the acceptor stem. Is specific for donor substrates containing a stem tetrapeptide since it cannot use pentapeptide stems. Is thought to play a role in adaptation to the nonreplicative state of M.tuberculosis. (251 aa) | ||||
Rv0192 | Conserved hypothetical protein; Generates 3->3 cross-links in peptidoglycan, catalyzing the cleavage of the mDap(3)-D-Ala(4) bond of a tetrapeptide donor stem and the formation of a bond between the carbonyl of mDap(3) of the donor stem and the side chain of mDap(3) of the acceptor stem. Is specific for donor substrates containing a stem tetrapeptide since it cannot use pentapeptide stems. (366 aa) | ||||
mmpL3 | Possible conserved transmembrane transport protein MmpL3; Transports trehalose monomycolate (TMM) across the inner membrane. Could also be part of a heme-iron acquisition system. Belongs to the resistance-nodulation-cell division (RND) (TC 2.A.6) family. MmpL subfamily. (944 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) | ||||
murB | Probable UDP-N-acetylenolpyruvoylglucosamine reductase MurB (UDP-N-acetylmuramate dehydrogenase); Cell wall formation. (369 aa) | ||||
lprQ | Probable conserved lipoprotein LprQ; Generates 3->3 cross-links in peptidoglycan, catalyzing the cleavage of the mDap(3)-D-Ala(4) bond of a tetrapeptide donor stem and the formation of a bond between the carbonyl of mDap(3) of the donor stem and the side chain of mDap(3) of the acceptor stem. Is specific for donor substrates containing a stem tetrapeptide since it cannot use pentapeptide stems. (451 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) | ||||
mmaA4 | Hydroxymycolate synthase MmaA4; Involved in the biosynthesis of hydroxymycolate, a common precursor of oxygenated mycolic acids (methoxy-mycolate and keto- mycolate). Probably transfers a methyl group from the S- adenosylmethionine (SAM) cofactor and, subsequently or simultaneously, a water molecule onto the double bound of ethylene substrates, leading to the formation of the hydroxylated product at the distal position. Involved in the activation of the antitubercular drug thiacetazone (TAC). (301 aa) | ||||
mmaA3 | Methoxy mycolic acid synthase MmaA3; Involved in the biosynthesis of methoxymycolic acid. It catalyzes the O-methylation of the hydroxy group of the hydroxymycolate to form a methyl ether; Belongs to the CFA/CMAS family. (293 aa) | ||||
mmaA2 | Cyclopropane mycolic acid synthase MmaA2; Catalyzes the conversion of a double bond to a cis cyclopropane ring at the distal position of an alpha mycolic acid via the transfer of a methylene group from S-adenosyl-L-methionine. MmaA2 also catalyzes the biosynthesis of the cis-cyclopropanated methoxymycolates. Cyclopropanated mycolic acids are key factors participating in cell envelope permeability, host immunomodulation and persistence. (287 aa) | ||||
mmaA1 | Mycolic acid methyltransferase MmaA1; Involved in the conversion of a cis-olefin into a trans- olefin with concomitant introduction of an allylic methyl branch at the proximal position of the precursor to both the methoxy and ketomycolic acids. It directly affects the cis- to trans ratio and indirectly affects the keto to methoxy ratio; Belongs to the CFA/CMAS family. (286 aa) | ||||
accD3 | Putative acetyl-coenzyme A carboxylase carboxyl transferase subunit beta; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA; Belongs to the AccD/PCCB family. (495 aa) | ||||
accD2 | Rv0974c, (MTV044.02c), len: 529 aa. Probable accD2,acetyl-/propionyl-CoA carboxylase (beta subunit), highly similar to many e.g. CAB95891.1|AL35998 putative acetyl/propionyl CoA carboxylase beta subunit from Streptomyces coelicolor (532 aa); NP_250704.1|NC_002516 probable acyl-CoA carboxyltransferase beta chain from Pseudomonas aeruginosa (535 aa); BAB16296.1|AB039884 acetyl-CoA carboxylase carboxyltransferase from Myxococcus xanthus (538 aa); NP_420973.1|NC_002696 putative propionyl-CoA carboxylase beta subunit from Caulobacter crescentus (530 aa); etc. Also similar to other from Myco [...] (529 aa) | ||||
glmU | Probable UDP-N-acetylglucosamine pyrophosphorylase GlmU; Catalyzes the last two sequential reactions in the de novo biosynthetic pathway for UDP-N-acetylglucosamine (UDP-GlcNAc). The C- terminal domain catalyzes the transfer of acetyl group from acetyl coenzyme A to glucosamine-1-phosphate (GlcN-1-P) to produce N- acetylglucosamine-1-phosphate (GlcNAc-1-P), which is converted into UDP-GlcNAc by the transfer of uridine 5-monophosphate (from uridine 5- triphosphate), a reaction catalyzed by the N-terminal domain. (495 aa) | ||||
rfe | Decaprenyl-phosphate N-acetylglucosaminephosphotransferase; Involved in the biosynthesis of the disaccharide D-N- acetylglucosamine-L-rhamnose which plays an important role in the mycobacterial cell wall as a linker connecting arabinogalactan and peptidoglycan via a phosphodiester linkage. Catalyzes the transfer of the N-acetylglucosamine-1-phosphate (GlcNAc-1P) moiety from UDP-GlcNAc onto the carrier lipid decaprenyl phosphate (C50-P), yielding GlcNAc- pyrophosphoryl-decaprenyl (GlcNAc-PP-C50). (404 aa) | ||||
murA | Probable UDP-N-acetylglucosamine 1-carboxyvinyltransferase MurA; Cell wall formation. Adds enolpyruvyl to UDP-N- acetylglucosamine; Belongs to the EPSP synthase family. MurA subfamily. (418 aa) | ||||
murI | Probable glutamate racemase MurI; Provides the (R)-glutamate required for cell wall biosynthesis. (271 aa) | ||||
Rv1433 | Possible conserved exported protein; Probable L,D-transpeptidase that may perform as-yet-unknown cross-linking reactions in M.tuberculosis. Is not able to generate 3->3 cross-links in peptidoglycan, using tetrapeptide stems as acyl donor substrates. May function in the anchoring of proteins to peptidoglycan. (271 aa) | ||||
fabG1 | 3-oxoacyl-[acyl-carrier-protein] reductase FabG1; Catalyzes the NADPH-dependent reduction of beta-ketoacyl-ACP substrates to beta-hydroxyacyl-ACP products, the first reductive step in the elongation cycle of fatty acid biosynthesis. MabA preferentially metabolizes long-chain substrates (C8-C20) and has a poor affinity for the C4 substrate; Belongs to the short-chain dehydrogenases/reductases (SDR) family. (247 aa) | ||||
inhA | NADH-dependent enoyl-[acyl-carrier-protein] reductase InhA (NADH-dependent enoyl-ACP reductase); Enoyl-ACP reductase of the type II fatty acid syntase (FAS- II) system, which is involved in the biosynthesis of mycolic acids, a major component of mycobacterial cell walls. Catalyzes the NADH-dependent reduction of the double bond of 2-trans- enoyl-[acyl-carrier protein], an essential step in the fatty acid elongation cycle of the FAS-II pathway. Shows preference for long-chain fatty acyl thioester substrates (>C16), and can also use 2-trans-enoyl-CoAs as alternative substrates. The mycob [...] (269 aa) | ||||
uppP | Possible conserved transmembrane protein; Catalyzes the dephosphorylation of undecaprenyl diphosphate (UPP). Confers resistance to bacitracin. (276 aa) | ||||
murC | Probable UDP-N-acetylmuramate-alanine ligase MurC; Cell wall formation; Belongs to the MurCDEF family. (494 aa) | ||||
murG | Undecaprenyldiphospho-muramoylpentapeptide beta-N-acetylglucosaminyltransferase; Cell wall formation. Catalyzes the transfer of a GlcNAc subunit on undecaprenyl-pyrophosphoryl-MurNAc-pentapeptide (lipid intermediate I) to form undecaprenyl-pyrophosphoryl-MurNAc- (pentapeptide)GlcNAc (lipid intermediate II). (410 aa) | ||||
ftsW | FtsW-like protein FtsW; Peptidoglycan polymerase that is essential for cell division. Belongs to the SEDS family. FtsW subfamily. (524 aa) | ||||
murD | Probable UDP-N-acetylmuramoylalanine-D-glutamate ligase MurD; Cell wall formation. Catalyzes the addition of glutamate to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanine (UMA). Belongs to the MurCDEF family. (486 aa) | ||||
murX | Probable phospho-N-acetylmuramoyl-pentappeptidetransferase MurX; First step of the lipid cycle reactions in the biosynthesis of the cell wall peptidoglycan. (359 aa) | ||||
murF | Probable UDP-N-acetylmuramoylalanyl-D-glutamyl-2, 6-diaminopimelate-D-alanyl-D-alanyl ligase MurF; Involved in cell wall formation. Catalyzes the final step in the synthesis of UDP-N-acetylmuramoyl-pentapeptide, the precursor of murein. (510 aa) | ||||
murE | Probable UDP-N-acetylmuramoylalanyl-D-glutamate-2,6-diaminopimelate ligase MurE; Catalyzes the addition of meso-diaminopimelic acid to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanyl-D-glutamate (UMAG) in the biosynthesis of bacterial cell-wall peptidoglycan. (535 aa) | ||||
pbpB | Probable penicillin-binding membrane protein PbpB; Synthesis of cross-linked peptidoglycan from the lipid intermediates; Belongs to the transpeptidase family. (679 aa) | ||||
kasB | 3-oxoacyl-[acyl-carrier protein] synthase 2 KasB (beta-ketoacyl-ACP synthase) (KAS I); Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. (438 aa) | ||||
ldtB | Probable L,D-transpeptidase LdtB; Generates 3->3 cross-links in peptidoglycan, catalyzing the cleavage of the mDap(3)-D-Ala(4) bond of a tetrapeptide donor stem and the formation of a bond between the carbonyl of mDap(3) of the donor stem and the side chain of mDap(3) of the acceptor stem. Is specific for donor substrates containing a stem tetrapeptide since it cannot use pentapeptide stems. (408 aa) | ||||
Rv2525c | Conserved hypothetical protein. Secreted; May function as a peptidoglycan hydrolase with glycosidase activity. In vitro, displays esterase activity toward p-nitrophenyl esters of various acyl chain length (C4 to C16), with a preference for p-nitrophenyl butyrate (C4). (240 aa) | ||||
mltG | Probable conserved membrane protein; Functions as a peptidoglycan terminase that cleaves nascent peptidoglycan strands endolytically to terminate their elongation. Belongs to the transglycosylase MltG family. (417 aa) | ||||
dacB2 | Rv2911, (MTCY274.43), len: 291 aa. Probable dacB2,D-alanyl-D-alanine carboxypeptidase (penicillin-binding protein), an ala-rich protein. Highly similar (except in N-terminus) to Q9CCM2|ML0691 putative D-alanyl-D-alanine carboxypeptidase from Mycobacterium leprae (411 aa), FASTA scores: opt: 749, E(): 9.3e-39, (46.75% identity in 276 aa overlap). Also similar to penicillin binding proteins / D-alanyl-D-alanine carboxypeptidases e.g. Q9KCJ8|SC4G1.16c D-alanyl-D-alanine carboxypeptidase from Streptomyces coelicolor (382 aa), FASTA scores: opt: 386, E(): 2.1e-16,(31.25% identity in 285 aa [...] (291 aa) | ||||
ddlA | Probable D-alanine--D-alanine ligase DdlA (D-alanylalanine synthetase) (D-ala-D-ala ligase); Catalyzes the ATP-driven ligation of two D-alanine molecules to form the D-alanyl-D-alanine dipeptide. This molecule is a key building block in peptidoglycan biosynthesis. (373 aa) | ||||
dacB1 | Rv3330, (MTV016.30), len: 405 aa. Probable dacB1,D-alanyl-D-alanine carboxypeptidase (penicillin-binding protein), equivalent to Mycobacterium leprae proteins Q9CCM2|ML0691 putative D-alanyl-D-alanine carboxypeptidase (411 aa), FASTA scores: opt: 2066, E(): 2.5e-102, (77.15% identity in 416 aa overlap); Q49917|L308_F1_36 (228 aa),FASTA scores: opt: 1241, E(): 7.9e-59, (78.9% identity in 232 aa overlap) (note that this protein corresponds to C-terminal part of the putative protein encoded by Rv3330,aa 174-405); and Q49921|PBPC (182 aa), FASTA scores: opt: 736, E(): 3.7e-32, (73.95% iden [...] (405 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) | ||||
alr | Alanine racemase Alr; Catalyzes the interconversion of L-alanine and D-alanine. D- alanine plays a key role in peptidoglycan cross-linking. (408 aa) | ||||
mrsA | Probable phospho-sugar mutase / MrsA protein homolog; Catalyzes the conversion of glucosamine-6-phosphate to glucosamine-1-phosphate. (448 aa) | ||||
ponA2 | PASTA domain-containing protein; Rv3682, (MTV025.030), len: 810 aa. Probable ponA2,penicillin-binding protein (class A), bienzymatic membrane-associated protein with transglycosylase and transpeptidase activities. Almost identical to Q9CB85|PON1|ML2308 penicillin binding protein (class A) from Mycobacterium leprae (803 aa) FASTA scores: opt: 4743,E(): 3.3e-217, (87.7% identity in 806 aa overlap); or P72351|PON1|PBP1 high-molecular-mass class a penicillin binding protein from Mycobacterium leprae Cosmid B577 (821 aa), FASTA scores: opt: 4547, E(): 6.3e-208, (88.05% identity in 769 aa ov [...] (810 aa) | ||||
Rv3712 | Possible ligase; Rv3712, (MTV025.060), len: 413 aa. Possible ligase, equivalent to O69522|ML2326|MLCB2407.24c hypothetical 43.8 KDA protein (possible ligase) from Mycobacterium leprae (411 aa), FASTA scores: opt: 2265, E(): 8e-129, (84.25% identity in 413 aa overlap). Also similar to ligases or hypothetical proteins e.g. Q9FCA1|2SCG58.12 putative ligase from Streptomyces coelicolor (412 aa), FASTA scores: opt: 1168, E(): 6.7e-63, (45.8% identity in 406 aa overlap); P74303|SLR0938 hypothetical 50.2 KDA protein from Synechocystis sp. strain PCC 6803 (459 aa), FASTA scores: opt: 392, E(): [...] (413 aa) | ||||
cobQ2 | Rv3713, (MTV025.061), len: 231 aa. Possible cobQ2,cobyric acid synthase, equivalent to O69521|ML2327|MLCB2407.23c hypothetical 24.5 KDA protein from Mycobacterium leprae (230 aa), FASTA scores: opt: 1313, E(): 4.7e-73, (86.1% identity in 230 aa overlap). Also partially similar to several cobyric acid synthases and hypothetical proteins e.g. Q9FCA0|2SCG58.13 hypothetical 26.2 KDA protein from Streptomyces coelicolor (242 aa), FASTA scores: opt: 639, E(): 6.2e-32, (46.6% identity in 234 aa overlap); Q9ZGG8|COBQ cobyric acid synthase from Heliobacillus mobilis (252 aa), FASTA scores: opt: [...] (231 aa) | ||||
Rv3717 | Conserved hypothetical protein; Cell-wall hydrolase that hydrolyzes the amide bond between N- acetylmuramic acid and L-alanine in cell-wall glycopeptides. Is able to hydrolyze the cell walls of several bacterial species (i.e. Paenibacillus sp., B.avium, E.coli DH5alpha, E.aerogenes, L.acidophilus, B.thuringiensis, B.pumilus, B.subtilis and E.coli W3110), thereby showing that it is a cell-wall hydrolase with broad-spectrum activity. May have a role in peptidoglycan fragment recycling. Belongs to the N-acetylmuramoyl-L-alanine amidase 3 family. (241 aa) | ||||
glfT1 | UDP-galactofuranosyl transferase GlfT1; Involved in the biosynthesis of the arabinogalactan (AG) region of the mycolylarabinogalactan-peptidoglycan (mAGP) complex, an essential component of the mycobacterial cell wall. Catalyzes the transfer of the first two galactofuranosyl (Galf) units from UDP- galactofuranose (UDP-Galf) onto the rhamnosyl-GlcNAc-diphospho- decaprenol (Rha-GlcNAc-PP-C50) acceptor, yielding galactofuranosyl- galactofuranosyl-rhamnosyl-GlcNAc-diphospho-decaprenol (Galf-Galf-Rha- GlcNAc-PP-C50). Thus, GlfT1 is the initiator of galactan synthesis, while GlfT2 continues [...] (304 aa) | ||||
dprE1 | Decaprenylphosphoryl-beta-D-ribose 2'-oxidase; Component of the DprE1-DprE2 complex that catalyzes the 2- step epimerization of decaprenyl-phospho-ribose (DPR) to decaprenyl- phospho-arabinose (DPA), a key precursor that serves as the arabinose donor required for the synthesis of cell-wall arabinans. DprE1 catalyzes the first step of epimerization, namely FAD-dependent oxidation of the C2' hydroxyl of DPR to yield the keto intermediate decaprenyl-phospho-2'-keto-D- arabinose (DPX). The intermediate DPX is then transferred to DprE2 subunit of the epimerase complex, most probably through [...] (461 aa) | ||||
dprE2 | Decaprenylphosphoryl-D-2-keto erythro pentose reductase; Component of the DprE1-DprE2 complex that catalyzes the 2- step epimerization of decaprenyl-phospho-ribose (DPR) to decaprenyl- phospho-arabinose (DPA), a key precursor that serves as the arabinose donor required for the synthesis of cell-wall arabinans. DprE1 catalyzes the first step of epimerization, namely FAD-dependent oxidation of the C2' hydroxyl of DPR to yield the keto intermediate decaprenyl-phospho-2'-keto-D- arabinose (DPX). The intermediate DPX is then transferred to DprE2 subunit of the epimerase complex, most probab [...] (254 aa) | ||||
aftA | Arabinofuranosyltransferase AftA; Involved in the biosynthesis of the arabinogalactan (AG) region of the mycolylarabinogalactan-peptidoglycan (mAGP) complex, an essential component of the mycobacterial cell wall. Catalyzes the addition of the first key arabinofuranosyl (Araf) residue from the sugar donor decaprenyl-phospho-arabinose (DPA) on the C-5 of a 6-linked galactofuranosyl (Galf) of the galactan domain, thus 'priming' the galactan for further elaboration by other arabinofuranosyltransferases. It is not able to add an Araf residue to a terminal Galf. Belongs to the glycosyltransf [...] (643 aa) | ||||
glfT2 | Bifunctional UDP-galactofuranosyl transferase GlfT2; Involved in the galactan polymerization of the arabinogalactan (AG) region of the mycolylarabinogalactan-peptidoglycan (mAGP) complex, an essential component of the mycobacteria cell wall. Thus, successively transfers approximately 28 galactofuranosyl (Galf) residues from UDP-galactofuranose (UDP-Galf) onto the galactofuranosyl- galactofuranosyl-rhamnosyl-GlcNAc-diphospho-decaprenol (Galf-Galf-Rha- GlcNAc-PP-C50) acceptor produced by GlfT1, with alternating 1->5 and 1->6 links, forming a galactan domain with approximately 30 galactof [...] (637 aa) | ||||
mviN | Probable conserved transmembrane protein; Essential for cell growth and peptidoglycan synthesis. In the N-terminal section; belongs to the MurJ/MviN family. (1184 aa) |