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mgtA mgtA pknB pknB pknA pknA pbpA pbpA aftD aftD rfbA rfbA mmpL mmpL stf0 stf0 sodC sodC murB murB ABK70477.1 ABK70477.1 ABK74456.1 ABK74456.1 rmlC rmlC rfbB rfbB whiB3 whiB3 rfbD rfbD mak mak ABK76191.1 ABK76191.1 glfT2 glfT2 aftA aftA dprE2 dprE2 dprE1 dprE1 glfT1 glfT1 asd asd otsB otsB otsA otsA phoP phoP ABK69540.1 ABK69540.1 galU galU pimE pimE dapD dapD dapE dapE glgM glgM glgC glgC wecA wecA murA murA glgB glgB glgE glgE pks5 pks5 ABK73137.1 ABK73137.1 pimB pimB ABK71149.1 ABK71149.1 pbpB pbpB murE murE murF murF murD murD ftsW ftsW murG murG murC murC ftsZ ftsZ ppm1 ppm1 ABK70862.1 ABK70862.1 treZ treZ ripA ripA lprG lprG aftC aftC dapF dapF dapA dapA dxr dxr ddl ddl fbpB fbpB
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proteins of unknown 3D structure
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mgtAGlycosyl transferase; Catalyzes the addition of a mannose residue from GDP-D- mannose to GlcAGroAc2 to generate 1,2-di-O-C16/C18:1-(alpha-D- mannopyranosyl)-(1-4)-(alpha-D-glucopyranosyluronic acid)-(1-3)- glycerol(ManGlcAGroAc2); Belongs to the glycosyltransferase group 1 family. Glycosyltransferase 4 subfamily. (375 aa)
pknBSerine-threonine protein kinase; Protein kinase that regulates many aspects of mycobacterial physiology. Is a key component of a signal transduction pathway that regulates cell growth, cell shape and cell division via phosphorylation of target proteins (By similarity). Probably phosphorylates RseA. (625 aa)
pknASerine/threonine protein kinase PknA; Identified by match to protein family HMM PF00069. (419 aa)
pbpAPenicillin binding protein transpeptidase domain protein; Cell wall formation. Plays an important role in cell division and cell shape maintenance by cross-linking adjacent peptidoglycan chains through transpeptidation. (491 aa)
aftDConserved hypothetical protein; 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 an arabinofuranosyl (Araf) residue from the sugar donor decaprenyl-phospho-arabinose (DPA) on the C-3 of an alpha-(1->5)-linked Araf from the arabinan backbone of AG. (1414 aa)
rfbAGlucose-1-phosphate thymidylyltransferase; Catalyzes the formation of dTDP-glucose, from dTTP and glucose 1-phosphate, as well as its pyrophosphorolysis. Involved in the biosynthesis of the dTDP-L-rhamnose which is a component of the critical linker, D-N-acetylglucosamine-L-rhamnose disaccharide, which connects the galactan region of arabinogalactan to peptidoglycan via a phosphodiester linkage; Belongs to the glucose-1-phosphate thymidylyltransferase family. (288 aa)
mmpLMmpL protein; Identified by match to protein family HMM PF03176; match to protein family HMM TIGR00833. (1002 aa)
stf0Conserved hypothetical 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 in pathogenic mycobacteria. Cannot use free glucose and unnatural stereoisomers of trehalose (alpha,beta (neo-trehalose) and beta,beta (iso-trehalose)) as substrates. (267 aa)
sodCCopper/zinc superoxide dismutase; Destroys radicals which are normally produced within the cells and which are toxic to biological systems. Belongs to the Cu-Zn superoxide dismutase family. (236 aa)
murBUDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. (363 aa)
ABK70477.1Identified by match to protein family HMM PF03734. (452 aa)
ABK74456.1Two-component system regulator; Identified by match to protein family HMM PF00072. (119 aa)
rmlCdTDP-4-dehydrorhamnose 3,5-epimerase; Catalyzes the epimerization of the C3' and C5'positions of dTDP-6-deoxy-D-xylo-4-hexulose, forming dTDP-6-deoxy-L-lyxo-4-hexulose. Involved in the biosynthesis of the dTDP-L-rhamnose which is a component of the critical linker, D-N-acetylglucosamine-L-rhamnose disaccharide, which connects the galactan region of arabinogalactan to peptidoglycan via a phosphodiester linkage. Belongs to the dTDP-4-dehydrorhamnose 3,5-epimerase family. (201 aa)
rfbBdTDP-glucose 4,6-dehydratase; Catalyzes the dehydration of dTDP-D-glucose to form dTDP-6- deoxy-D-xylo-4-hexulose via a three-step process involving oxidation, dehydration and reduction (By similarity). Involved in the biosynthesis of the dTDP-L-rhamnose which is a component of the critical linker, D- N-acetylglucosamine-L-rhamnose disaccharide, which connects the galactan region of arabinogalactan to peptidoglycan via a phosphodiester linkage. (331 aa)
whiB3Transcription factor WhiB; A redox-sensitive transcriptional regulator. Maintains intracellular redox homeostasis by regulating catabolic metabolism and polyketide biosynthesis. Regulates expression of the redox buffer ergothioneine (ERG). In concert with myothiol (MSH), another redox buffer, responds to low pH leading to acid resistance. The apo- but not holo-form probably binds DNA (By similarity). (96 aa)
rfbDdTDP-4-dehydrorhamnose reductase; Involved in the biosynthesis of the dTDP-L-rhamnose which is a component of the critical linker, D-N-acetylglucosamine-L-rhamnose disaccharide, which connects the galactan region of arabinogalactan to peptidoglycan via a phosphodiester linkage. Catalyzes the reduction of dTDP-6-deoxy-L-lyxo-4-hexulose to yield dTDP-L- rhamnose (By similarity); Belongs to the dTDP-4-dehydrorhamnose reductase family. (327 aa)
makTrehalose synthase-fused probable maltokinase; Catalyzes the ATP-dependent phosphorylation of maltose to maltose 1-phosphate (Probable). Is involved in a branched alpha-glucan biosynthetic pathway from trehalose, together with TreS, GlgE and GlgB. (441 aa)
ABK76191.1Identified by match to protein family HMM PF00355. (518 aa)
glfT2Bifunctional udp-galactofuranosyl transferase glft; 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 galactofu [...] (646 aa)
aftAMembrane protein; 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. (624 aa)
dprE2Putative oxidoreductase in MprA 5'region; 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 a 'su [...] (254 aa)
dprE1Oxidoreductase, FAD-binding; 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 a 'substrate chann [...] (468 aa)
glfT1Glycosyl transferase, group 2 family protein; 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 cont [...] (302 aa)
asdAspartate-semialdehyde dehydrogenase; Catalyzes the NADPH-dependent formation of L-aspartate- semialdehyde (L-ASA) by the reductive dephosphorylation of L-aspartyl- 4-phosphate; Belongs to the aspartate-semialdehyde dehydrogenase family. (346 aa)
otsBTrehalose-phosphatase; Removes the phosphate from trehalose 6-phosphate to produce free trehalose. (249 aa)
otsAAlpha,alpha-trehalose-phosphate synthase (UDP-forming); Involved in the production of glycogen and alpha-glucan via the TreS-Pep2 branch involved in the biosynthesis of maltose-1- phosphate (M1P), and probably in the osmoprotection via the biosynthesis of trehalose. Catalyzes the transfer of glucose from UDP-glucose (UDP-Glc) to glucose-6-phosphate (Glc-6-P) to form trehalose-6-phosphate. ADP-Glc, CDP-Glc, GDP- Glc and TDP-Glc are also glucosyl donors, however, when the pyrimidine sugar nucleotides (CDP-Glc, TDP-Glc and UDP-Glc) are used as substrates, there is an absolute requirement [...] (503 aa)
phoPDNA-binding response regulator PhoP; Identified by match to protein family HMM PF00072; match to protein family HMM PF00486. (239 aa)
ABK69540.1Conserved hypothetical protein. (238 aa)
galUUTP-glucose-1-phosphate uridylyltransferase; Identified by match to protein family HMM PF00483. (298 aa)
pimEConserved transmembrane protein; Catalyzes the alpha-1,2 addition of a mannose residue from polyprenol-phosphate-mannose (PPM) to a monoacyl phosphatidylinositol pentamannoside (AcPIM5) to generate a monoacyl phosphatidylinositol hexamannoside (AcPIM6). (377 aa)
dapDTetrahydropicolinate succinylase; Catalyzes the conversion of the cyclic tetrahydrodipicolinate (THDP) into the acyclic N-succinyl-L-2-amino-6-oxopimelate using succinyl-CoA. (314 aa)
dapESuccinyl-diaminopimelate desuccinylase; Catalyzes the hydrolysis of N-succinyl-L,L-diaminopimelic acid (SDAP), forming succinate and LL-2,6-diaminoheptanedioate (DAP), an intermediate involved in the bacterial biosynthesis of lysine and meso-diaminopimelic acid, an essential component of bacterial cell walls. (355 aa)
glgMGlycogen synthase; Involved in the biosynthesis of the maltose-1-phosphate (M1P) building block required for alpha-glucan production by the key enzyme GlgE. Catalyzes the formation of an alpha-1,4 linkage between glucose from ADP-glucose and glucose 1-phosphate (G1P) to yield maltose-1- phosphate (M1P). (387 aa)
glgCGlucose-1-phosphate adenylyltransferase; Involved in the biosynthesis of ADP-glucose building block, required in the biosynthesis of maltose-1-phosphate (M1P) and in the elongation reactions to produce linear alpha-1,4-glucans. Catalyzes the reaction between ATP and alpha-D-glucose 1-phosphate (G1P) to produce pyrophosphate and ADP-Glc. (404 aa)
wecAGlycosyl trasferase; 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). (406 aa)
murAUDP-N-acetylglucosamine 1-carboxyvinyltransferase; Cell wall formation. Adds enolpyruvyl to UDP-N- acetylglucosamine; Belongs to the EPSP synthase family. MurA subfamily. (418 aa)
glgB1,4-alpha-glucan branching enzyme; Catalyzes the formation of the alpha-1,6-glucosidic linkages in glycogen by scission of a 1,4-alpha-linked oligosaccharide from growing alpha-1,4-glucan chains and the subsequent attachment of the oligosaccharide to the alpha-1,6 position. (736 aa)
glgEAlpha-amylase family protein; Maltosyltransferase that uses maltose 1-phosphate (M1P) as the sugar donor to elongate linear or branched alpha-(1->4)-glucans. Is also able to catalyze the reverse reaction in vitro. Cannot use glucose 1-phosphate as substrate. Is involved in a branched alpha-glucan biosynthetic pathway from trehalose, together with TreS, Mak and GlgB. (692 aa)
pks5Mycocerosic acid synthase; Polyketide synthase involved in the biosynthesis of 2,4- dimethyl-2-eicosenoic acid, a lipid component of the lipooligosaccharides (LOS) which are not located at the bacterial surface but rather in deeper compartments of the cell envelope of M.smegmatis. (2111 aa)
ABK73137.1Resuscitation-promoting factor; Identified by match to protein family HMM PF06737. (107 aa)
pimBGlycosyl transferase, group 1 family protein; Involved in the biosynthesis of phosphatidyl-myo-inositol mannosides (PIM) which are early precursors in the biosynthesis of lipomannans (LM) and lipoarabinomannans (LAM). Catalyzes the addition of a mannosyl residue from GDP-D-mannose (GDP-Man) to the position 6 of a phosphatidyl-myo- inositol bearing an alpha-1,2-linked mannose residue (PIM1) to generate phosphatidyl-myo-inositol bearing alpha-1,2- and alpha-1,6-linked mannose residues (Ac1PIM2). PimB also catalyzes the addition of a mannosyl residue from GDP-Man to the position 6 of phos [...] (382 aa)
ABK71149.1Probable conserved integral membrane protein; Responsible for the addition of alpha-(1-2) mannose branches to the linear mannan core on the biosynthetic pathway to mature Lipoarabinomannan (LAM). (440 aa)
pbpBPenicillin binding protein transpeptidase domain protein; Identified by match to protein family HMM PF00905; match to protein family HMM PF03717; Belongs to the transpeptidase family. (648 aa)
murEUDP-N-acetylmuramoylalanyl-D-glutamate-2, 6-diaminopimelate ligase; 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. Belongs to the MurCDEF family. MurE subfamily. (520 aa)
murFUDP-N-acetylmuramoyl-tripeptide--D-alanyl-D- alanine ligase; Involved in cell wall formation. Catalyzes the final step in the synthesis of UDP-N-acetylmuramoyl-pentapeptide, the precursor of murein; Belongs to the MurCDEF family. MurF subfamily. (509 aa)
murDUDP-N-acetylmuramoylalanine--D-glutamate ligase; Cell wall formation. Catalyzes the addition of glutamate to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanine (UMA). Belongs to the MurCDEF family. (493 aa)
ftsWCell division protein FtsW; Identified by match to protein family HMM PF01098; match to protein family HMM TIGR02614; Belongs to the SEDS family. (568 aa)
murGUndecaprenyldiphospho-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); Belongs to the glycosyltransferase 28 family. MurG subfamily. (385 aa)
murCUDP-N-acetylmuramate--alanine ligase; Cell wall formation; Belongs to the MurCDEF family. (482 aa)
ftsZCell division protein FtsZ; Essential cell division protein that forms a contractile ring structure (Z ring) at the future cell division site. The regulation of the ring assembly controls the timing and the location of cell division. One of the functions of the FtsZ ring is to recruit other cell division proteins to the septum to produce a new cell wall between the dividing cells. Binds GTP and shows GTPase activity. (385 aa)
ppm1Glycosyl transferase, group 2 family protein; Transfers mannose from GDP-mannose to lipid acceptors to form polyprenol monophosphomannose (PPM); catalytic activity in vitro is enhanced by Lnt (AC A0QZ13). PMM is an alkai-stable sugar donor which adds mannose-phosphate residues to triacylated-PIM2, eventually leading to generation of the cell wall glycolipid lipoglycan modulins lipoarabinomannan (LAM) and lipomannan (LM) (By similarity). (265 aa)
ABK70862.1Mannose-binding lectin; Identified by match to protein family HMM PF01453; match to protein family HMM PF01476. (208 aa)
treZMalto-oligosyltrehalose trehalohydrolase; Identified by match to protein family HMM PF00128; match to protein family HMM PF02922; match to protein family HMM TIGR02402. (583 aa)
ripASecreted cell wall-associated hydrolase; Peptidoglycan endopeptidase that cleaves the bond between D- glutamate and meso-diaminopimelate. Binds and degrades high-molecular weight peptidoglycan. Required for normal separation of daughter cells after cell division and for cell wall integrity (By similarity). (497 aa)
lprGLprG protein; Probably helps membrane protein MSMEG_3069/MSMEI_2992 (P55) transport triacylglycerides (TAG) across the inner cell membrane into the periplasm and probably ultimately to the outer membrane (By similarity). Required for MSMEG_3069/MSMEI_2992 export activity. Export of ethidium bromide by MSMEG_3069/MSMEI_2992 can be complemented by the equivalent operon from M.tuberculosis (lprG-Rv1410c). Belongs to the LppX/LprAFG lipoprotein family. (236 aa)
aftCPutative conserved integral membrane protein; 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 an arabinofuranosyl (Araf) residue from the sugar donor beta-D-arabinofuranosyl-1-monophosphoryldecaprenol (DPA) on the C-3 of an alpha-(1->5)-linked Araf from the arabinan backbone of AG. (430 aa)
dapFDiaminopimelate epimerase; Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L- lysine and an essential component of the bacterial peptidoglycan. (291 aa)
dapADihydrodipicolinate synthase; Catalyzes the condensation of (S)-aspartate-beta-semialdehyde [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA). (300 aa)
dxr1-deoxy-D-xylulose 5-phosphate reductoisomerase; Catalyzes the NADP-dependent rearrangement and reduction of 1-deoxy-D-xylulose-5-phosphate (DXP) to 2-C-methyl-D-erythritol 4- phosphate (MEP); Belongs to the DXR family. (398 aa)
ddlD-alanine--D-alanine ligase; Cell wall formation. (373 aa)
fbpBAntigen 85-C; The antigen 85 proteins (FbpA, FbpB, FbpC) are responsible for the high affinity of mycobacteria for fibronectin, a large adhesive glycoprotein. They also help to maintain the integrity of the cell wall by catalyzing the transfer of mycolic acids to cell wall arabinogalactan and through the synthesis of alpha,alpha-trehalose dimycolate (TDM, cord factor). They catalyze the transfer of a mycoloyl residue from one molecule of alpha,alpha-trehalose monomycolate (TMM) to another TMM, leading to the formation of TDM (By similarity). (325 aa)
Your Current Organism:
Mycolicibacterium smegmatis
NCBI taxonomy Id: 246196
Other names: M. smegmatis MC2 155, Mycobacterium smegmatis MC2 155, Mycolicibacterium smegmatis MC2 155
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