COG cluster associated with parent COG general functional cagegory: Cell envelope biogenesis, outer membrane
COG ID
Link to COG
Functional Description Protein Count
Link to
protein list

COG2230 Cfa Cyclopropane fatty acid synthase and related methyltransferases [Cell envelope biogenesis, outer membrane] 608
COG1086 Predicted nucleoside-diphosphate sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 520
COG3967 DltE Short-chain dehydrogenase involved in D-alanine esterification of lipoteichoic acid and wall teichoic acid (D-alanine transfer protein) [Cell envelope biogenesis, outer membrane] 488
COG1134 TagH ABC-type polysaccharide/polyol phosphate transport system, ATPase component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 487
COG1004 Ugd Predicted UDP-glucose 6-dehydrogenase [Cell envelope biogenesis, outer membrane] 471
COG0451 WcaG Nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 454
COG1091 RfbD dTDP-4-dehydrorhamnose reductase [Cell envelope biogenesis, outer membrane] 445
COG1087 GalE UDP-glucose 4-epimerase [Cell envelope biogenesis, outer membrane] 432
COG0357 GidB Predicted S-adenosylmethionine-dependent methyltransferase involved in bacterial cell division [Cell envelope biogenesis, outer membrane] 424
COG0702 Predicted nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 419
COG1088 RfbB dTDP-D-glucose 4,6-dehydratase [Cell envelope biogenesis, outer membrane] 418
COG1089 Gmd GDP-D-mannose dehydratase [Cell envelope biogenesis, outer membrane] 375
COG0481 LepA Membrane GTPase LepA [Cell envelope biogenesis, outer membrane] 361
COG0707 MurG UDP-N-acetylglucosamine:LPS N-acetylglucosamine transferase [Cell envelope biogenesis, outer membrane] 338
COG1519 KdtA 3-deoxy-D-manno-octulosonic-acid transferase [Cell envelope biogenesis, outer membrane] 307
COG0763 LpxB Lipid A disaccharide synthetase [Cell envelope biogenesis, outer membrane] 285
COG0275 Predicted S-adenosylmethionine-dependent methyltransferase involved in cell envelope biogenesis [Cell envelope biogenesis, outer membrane] 273
COG0771 MurD UDP-N-acetylmuramoylalanine-D-glutamate ligase [Cell envelope biogenesis, outer membrane] 256
COG0381 WecB UDP-N-acetylglucosamine 2-epimerase [Cell envelope biogenesis, outer membrane] 252
COG3980 spsG Spore coat polysaccharide biosynthesis protein, predicted glycosyltransferase [Cell envelope biogenesis, outer membrane] 246
COG0562 Glf UDP-galactopyranose mutase [Cell envelope biogenesis, outer membrane] 217
COG0677 WecC UDP-N-acetyl-D-mannosaminuronate dehydrogenase [Cell envelope biogenesis, outer membrane] 212
COG5434 PGU1 Endopygalactorunase [Cell envelope biogenesis, outer membrane] 202
COG0438 RfaG Glycosyltransferase [Cell envelope biogenesis, outer membrane] 188
COG0399 WecE Predicted pyridoxal phosphate-dependent enzyme apparently involved in regulation of cell wall biogenesis [Cell envelope biogenesis, outer membrane] 164
COG1208 GCD1 Nucleoside-diphosphate-sugar pyrophosphorylase involved in lipopolysaccharide biosynthesis/translation initiation factor 2B, gamma/epsilon subunits (eIF-2Bgamma/eIF-2Bepsilon) [Cell envelope biogenesis, outer membrane / Translation, ribosomal structure and biogenesis] 126
COG1207 GlmU N-acetylglucosamine-1-phosphate uridyltransferase (contains nucleotidyltransferase and I-patch acetyltransferase domains) [Cell envelope biogenesis, outer membrane] 126
COG3660 Predicted nucleoside-diphosphate-sugar epimerase [Cell envelope biogenesis, outer membrane] 125
COG1215 Glycosyltransferases, probably involved in cell wall biogenesis [Cell envelope biogenesis, outer membrane] 116
COG0859 RfaF ADP-heptose:LPS heptosyltransferase [Cell envelope biogenesis, outer membrane] 107
COG1247 Sortase and related acyltransferases [Cell envelope biogenesis, outer membrane] 97
COG0463 WcaA Glycosyltransferases involved in cell wall biogenesis [Cell envelope biogenesis, outer membrane] 96
COG2943 MdoH Membrane glycosyltransferase [Cell envelope biogenesis, outer membrane] 85
COG1209 RfbA dTDP-glucose pyrophosphorylase [Cell envelope biogenesis, outer membrane] 76
COG2870 RfaE ADP-heptose synthase, bifunctional sugar kinase/adenylyltransferase [Cell envelope biogenesis, outer membrane] 76
COG1213 Predicted sugar nucleotidyltransferases [Cell envelope biogenesis, outer membrane] 76
COG2327 WcaK Polysaccharide pyruvyl transferase family protein [Cell wall/membrane/envelope biogenesis] 75
COG0329 DapA Dihydrodipicolinate synthase/N-acetylneuraminate lyase [Amino acid transport and metabolism / Cell envelope biogenesis, outer membrane] 75
COG1442 RfaJ Lipopolysaccharide biosynthesis proteins, LPS:glycosyltransferases [Cell envelope biogenesis, outer membrane] 71
COG3064 TolA Membrane protein involved in colicin uptake [Cell envelope biogenesis, outer membrane] 64
COG0836 {ManC} Mannose-1-phosphate guanylyltransferase [Cell envelope biogenesis, outer membrane] 64
COG0812 MurB UDP-N-acetylmuramate dehydrogenase [Cell envelope biogenesis, outer membrane] 61
COG1210 GalU UDP-glucose pyrophosphorylase [Cell envelope biogenesis, outer membrane] 57
COG1560 HtrB Lauroyl/myristoyl acyltransferase [Cell envelope biogenesis, outer membrane] 56
COG4750 LicC CTP:phosphocholine cytidylyltransferase involved in choline phosphorylation for cell surface LPS epitopes [Cell envelope biogenesis, outer membrane] 55
COG5597 Alpha-N-acetylglucosamine transferase [Cell envelope biogenesis, outer membrane] 54
COG1388 LytE FOG: LysM repeat [Cell envelope biogenesis, outer membrane] 53
COG1181 DdlA D-alanine-D-alanine ligase and related ATP-grasp enzymes [Cell envelope biogenesis, outer membrane] 51
COG0449 GlmS Glucosamine 6-phosphate synthetase, contains amidotransferase and phosphosugar isomerase domains [Cell envelope biogenesis, outer membrane] 51
COG4623 Predicted soluble lytic transglycosylase fused to an ABC-type amino acid-binding protein [Cell envelope biogenesis, outer membrane] 51
COG1212 KdsB CMP-2-keto-3-deoxyoctulosonic acid synthetase [Cell envelope biogenesis, outer membrane] 50
COG0797 RlpA Lipoproteins [Cell envelope biogenesis, outer membrane] 49
COG0793 Prc Periplasmic protease [Cell envelope biogenesis, outer membrane] 48
COG1861 SpsF Spore coat polysaccharide biosynthesis protein F, CMP-KDO synthetase homolog [Cell envelope biogenesis, outer membrane] 44
COG0750 Predicted membrane-associated Zn-dependent proteases 1 [Cell envelope biogenesis, outer membrane] 43
COG1083 NeuA CMP-N-acetylneuraminic acid synthetase [Cell envelope biogenesis, outer membrane] 42
COG1898 RfbC dTDP-4-dehydrorhamnose 3,5-epimerase and related enzymes [Cell envelope biogenesis, outer membrane] 42
COG2335 Secreted and surface protein containing fasciclin-like repeats [Cell envelope biogenesis, outer membrane] 40
COG1682 TagG ABC-type polysaccharide/polyol phosphate export systems, permease component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 39
COG0773 MurC UDP-N-acetylmuramate-alanine ligase [Cell envelope biogenesis, outer membrane] 34
COG5520 O-Glycosyl hydrolase [Cell envelope biogenesis, outer membrane] 34
COG3206 GumC Uncharacterized protein involved in exopolysaccharide biosynthesis [Cell envelope biogenesis, outer membrane] 34
COG0615 TagD Cytidylyltransferase [Cell envelope biogenesis, outer membrane / Lipid metabolism] 32
COG1346 LrgB Putative effector of murein hydrolase [Cell envelope biogenesis, outer membrane] 31
COG4948 L-alanine-DL-glutamate epimerase and related enzymes of enolase superfamily [Cell envelope biogenesis, outer membrane / General function prediction only] 29
COG3264 Small-conductance mechanosensitive channel [Cell envelope biogenesis, outer membrane] 27
COG0770 MurF UDP-N-acetylmuramyl pentapeptide synthase [Cell envelope biogenesis, outer membrane] 27
COG0769 MurE UDP-N-acetylmuramyl tripeptide synthase [Cell envelope biogenesis, outer membrane] 27
COG0668 MscS Small-conductance mechanosensitive channel [Cell envelope biogenesis, outer membrane] 25
COG1807 ArnT 4-amino-4-deoxy-L-arabinose transferase and related glycosyltransferases of PMT family [Cell envelope biogenesis, outer membrane] 23
COG1292 BetT Choline-glycine betaine transporter [Cell envelope biogenesis, outer membrane] 22
COG1663 LpxK Tetraacyldisaccharide-1-P 4'-kinase [Cell envelope biogenesis, outer membrane] 21
COG0815 Lnt Apolipoprotein N-acyltransferase [Cell envelope biogenesis, outer membrane] 21
COG2089 SpsE Sialic acid synthase [Cell envelope biogenesis, outer membrane] 20
COG1794 RacX Aspartate racemase [Cell envelope biogenesis, outer membrane] 20
COG1887 TagB Putative glycosyl/glycerophosphate transferases involved in teichoic acid biosynthesis TagF/TagB/EpsJ/RodC [Cell envelope biogenesis, outer membrane] 18
COG4775 Outer membrane protein/protective antigen OMA87 [Cell envelope biogenesis, outer membrane] 17
COG3511 PlcC Phospholipase C [Cell envelope biogenesis, outer membrane] 17
COG0787 Alr Alanine racemase [Cell envelope biogenesis, outer membrane] 16
COG4092 Predicted glycosyltransferase involved in capsule biosynthesis [Cell envelope biogenesis, outer membrane] 16
COG1696 DltB Predicted membrane protein involved in D-alanine export [Cell envelope biogenesis, outer membrane] 15
COG0729 Outer membrane protein [Cell envelope biogenesis, outer membrane] 14
COG1686 DacC D-alanyl-D-alanine carboxypeptidase [Cell envelope biogenesis, outer membrane] 14
COG3409 Putative peptidoglycan-binding domain-containing protein [Cell envelope biogenesis, outer membrane] 13
COG1368 MdoB Phosphoglycerol transferase and related proteins, alkaline phosphatase superfamily [Cell envelope biogenesis, outer membrane] 12
COG0766 MurA UDP-N-acetylglucosamine enolpyruvyl transferase [Cell envelope biogenesis, outer membrane] 12
COG4464 CapC Capsular polysaccharide biosynthesis protein [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 12
COG0796 MurI Glutamate racemase [Cell envelope biogenesis, outer membrane] 11
COG3061 OapA Cell envelope opacity-associated protein A [Cell envelope biogenesis, outer membrane] 11
COG4932 Predicted outer membrane protein [Cell envelope biogenesis, outer membrane] 10
COG2222 AgaS Predicted phosphosugar isomerases [Cell envelope biogenesis, outer membrane] 10
COG0472 Rfe UDP-N-acetylmuramyl pentapeptide phosphotransferase/UDP-N- acetylglucosamine-1-phosphate transferase [Cell envelope biogenesis, outer membrane] 9
COG0794 GutQ Predicted sugar phosphate isomerase involved in capsule formation [Cell envelope biogenesis, outer membrane] 9
COG3040 Blc Bacterial lipocalin [Cell envelope biogenesis, outer membrane] 8
COG3774 OCH1 Mannosyltransferase OCH1 and related enzymes [Cell envelope biogenesis, outer membrane] 7
COG0845 AcrA Membrane-fusion protein [Cell envelope biogenesis, outer membrane] 7
COG3023 ampD N-acetyl-anhydromuramyl-L-alanine amidase [Cell envelope biogenesis, outer membrane] 7
COG0739 NlpD Membrane proteins related to metalloendopeptidases [Cell envelope biogenesis, outer membrane] 5
COG3559 TnrB3 Putative exporter of polyketide antibiotics [Cell envelope biogenesis, outer membrane] 4
COG1361 S-layer domain [Cell envelope biogenesis, outer membrane] 4
COG3524 KpsE Capsule polysaccharide export protein [Cell envelope biogenesis, outer membrane] 4
COG2348 Peptidoglycan interpeptide bridge formation enzyme [Cell wall/membrane/envelope biogenesis] 3
COG1792 MreC Cell shape-determining protein [Cell envelope biogenesis, outer membrane] 2
COG0741 MltE Soluble lytic murein transglycosylase and related regulatory proteins (some contain LysM/invasin domains) [Cell envelope biogenesis, outer membrane] 2
COG2951 MltB Membrane-bound lytic murein transglycosylase B [Cell envelope biogenesis, outer membrane] 2
COG5653 Protein involved in cellulose biosynthesis (CelD) [Cell envelope biogenesis, outer membrane] 2
COG0791 Spr Cell wall-associated hydrolases (invasion-associated proteins) [Cell envelope biogenesis, outer membrane] 2
COG2877 KdsA 3-deoxy-D-manno-octulosonic acid (KDO) 8-phosphate synthase [Cell envelope biogenesis, outer membrane] 2
COG4953 PbpC Membrane carboxypeptidase/penicillin-binding protein PbpC [Cell envelope biogenesis, outer membrane] 1
COG0774 LpxC UDP-3-O-acyl-N-acetylglucosamine deacetylase [Cell envelope biogenesis, outer membrane] 1
COG1664 CcmA Integral membrane protein CcmA involved in cell shape determination [Cell envelope biogenesis, outer membrane] 1
COG4952 Predicted sugar isomerase [Cell envelope biogenesis, outer membrane] 1
COG3966 DltD Protein involved in D-alanine esterification of lipoteichoic acid and wall teichoic acid (D-alanine transfer protein) [Cell envelope biogenesis, outer membrane] 1
COG1589 FtsQ Cell division septal protein [Cell envelope biogenesis, outer membrane] 1
COG2982 AsmA Uncharacterized protein involved in outer membrane biogenesis [Cell envelope biogenesis, outer membrane] 1
COG5498 ACF2 Predicted glycosyl hydrolase [Cell envelope biogenesis, outer membrane] 1
COG5009 MrcA Membrane carboxypeptidase/penicillin-binding protein [Cell envelope biogenesis, outer membrane] 1
COG1922 WecG Teichoic acid biosynthesis proteins [Cell envelope biogenesis, outer membrane] 1
COG0744 MrcB Membrane carboxypeptidase (penicillin-binding protein) [Cell envelope biogenesis, outer membrane] 1