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

COG1134 TagH ABC-type polysaccharide/polyol phosphate transport system, ATPase component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 211
COG0481 LepA Membrane GTPase LepA [Cell envelope biogenesis, outer membrane] 170
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] 152
COG1086 Predicted nucleoside-diphosphate sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 140
COG0451 WcaG Nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 134
COG1087 GalE UDP-glucose 4-epimerase [Cell envelope biogenesis, outer membrane] 132
COG1088 RfbB dTDP-D-glucose 4,6-dehydratase [Cell envelope biogenesis, outer membrane] 129
COG1091 RfbD dTDP-4-dehydrorhamnose reductase [Cell envelope biogenesis, outer membrane] 122
COG2230 Cfa Cyclopropane fatty acid synthase and related methyltransferases [Cell envelope biogenesis, outer membrane] 113
COG1089 Gmd GDP-D-mannose dehydratase [Cell envelope biogenesis, outer membrane] 103
COG0793 Prc Periplasmic protease [Cell envelope biogenesis, outer membrane] 102
COG0702 Predicted nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 95
COG0562 Glf UDP-galactopyranose mutase [Cell envelope biogenesis, outer membrane] 90
COG0357 GidB Predicted S-adenosylmethionine-dependent methyltransferase involved in bacterial cell division [Cell envelope biogenesis, outer membrane] 86
COG0275 Predicted S-adenosylmethionine-dependent methyltransferase involved in cell envelope biogenesis [Cell envelope biogenesis, outer membrane] 70
COG1004 Ugd Predicted UDP-glucose 6-dehydrogenase [Cell envelope biogenesis, outer membrane] 66
COG0399 WecE Predicted pyridoxal phosphate-dependent enzyme apparently involved in regulation of cell wall biogenesis [Cell envelope biogenesis, outer membrane] 50
COG0707 MurG UDP-N-acetylglucosamine:LPS N-acetylglucosamine transferase [Cell envelope biogenesis, outer membrane] 41
COG1519 KdtA 3-deoxy-D-manno-octulosonic-acid transferase [Cell envelope biogenesis, outer membrane] 40
COG1215 Glycosyltransferases, probably involved in cell wall biogenesis [Cell envelope biogenesis, outer membrane] 39
COG3980 spsG Spore coat polysaccharide biosynthesis protein, predicted glycosyltransferase [Cell envelope biogenesis, outer membrane] 34
COG0771 MurD UDP-N-acetylmuramoylalanine-D-glutamate ligase [Cell envelope biogenesis, outer membrane] 34
COG1181 DdlA D-alanine-D-alanine ligase and related ATP-grasp enzymes [Cell envelope biogenesis, outer membrane] 33
COG4092 Predicted glycosyltransferase involved in capsule biosynthesis [Cell envelope biogenesis, outer membrane] 33
COG0677 WecC UDP-N-acetyl-D-mannosaminuronate dehydrogenase [Cell envelope biogenesis, outer membrane] 29
COG0463 WcaA Glycosyltransferases involved in cell wall biogenesis [Cell envelope biogenesis, outer membrane] 28
COG0381 WecB UDP-N-acetylglucosamine 2-epimerase [Cell envelope biogenesis, outer membrane] 27
COG0438 RfaG Glycosyltransferase [Cell envelope biogenesis, outer membrane] 22
COG1247 Sortase and related acyltransferases [Cell envelope biogenesis, outer membrane] 21
COG0750 Predicted membrane-associated Zn-dependent proteases 1 [Cell envelope biogenesis, outer membrane] 21
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] 21
COG2870 RfaE ADP-heptose synthase, bifunctional sugar kinase/adenylyltransferase [Cell envelope biogenesis, outer membrane] 19
COG1207 GlmU N-acetylglucosamine-1-phosphate uridyltransferase (contains nucleotidyltransferase and I-patch acetyltransferase domains) [Cell envelope biogenesis, outer membrane] 18
COG1807 ArnT 4-amino-4-deoxy-L-arabinose transferase and related glycosyltransferases of PMT family [Cell envelope biogenesis, outer membrane] 16
COG0763 LpxB Lipid A disaccharide synthetase [Cell envelope biogenesis, outer membrane] 16
COG0329 DapA Dihydrodipicolinate synthase/N-acetylneuraminate lyase [Amino acid transport and metabolism / Cell envelope biogenesis, outer membrane] 16
COG2327 WcaK Polysaccharide pyruvyl transferase family protein [Cell wall/membrane/envelope biogenesis] 15
COG1368 MdoB Phosphoglycerol transferase and related proteins, alkaline phosphatase superfamily [Cell envelope biogenesis, outer membrane] 15
COG4623 Predicted soluble lytic transglycosylase fused to an ABC-type amino acid-binding protein [Cell envelope biogenesis, outer membrane] 15
COG1209 RfbA dTDP-glucose pyrophosphorylase [Cell envelope biogenesis, outer membrane] 14
COG2943 MdoH Membrane glycosyltransferase [Cell envelope biogenesis, outer membrane] 14
COG1682 TagG ABC-type polysaccharide/polyol phosphate export systems, permease component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 14
COG4948 L-alanine-DL-glutamate epimerase and related enzymes of enolase superfamily [Cell envelope biogenesis, outer membrane / General function prediction only] 13
COG1213 Predicted sugar nucleotidyltransferases [Cell envelope biogenesis, outer membrane] 12
COG2335 Secreted and surface protein containing fasciclin-like repeats [Cell envelope biogenesis, outer membrane] 9
COG3064 TolA Membrane protein involved in colicin uptake [Cell envelope biogenesis, outer membrane] 9
COG3040 Blc Bacterial lipocalin [Cell envelope biogenesis, outer membrane] 9
COG0449 GlmS Glucosamine 6-phosphate synthetase, contains amidotransferase and phosphosugar isomerase domains [Cell envelope biogenesis, outer membrane] 9
COG0859 RfaF ADP-heptose:LPS heptosyltransferase [Cell envelope biogenesis, outer membrane] 8
COG1442 RfaJ Lipopolysaccharide biosynthesis proteins, LPS:glycosyltransferases [Cell envelope biogenesis, outer membrane] 8
COG3206 GumC Uncharacterized protein involved in exopolysaccharide biosynthesis [Cell envelope biogenesis, outer membrane] 8
COG0615 TagD Cytidylyltransferase [Cell envelope biogenesis, outer membrane / Lipid metabolism] 7
COG4750 LicC CTP:phosphocholine cytidylyltransferase involved in choline phosphorylation for cell surface LPS epitopes [Cell envelope biogenesis, outer membrane] 7
COG3475 LPS biosynthesis protein [Cell envelope biogenesis, outer membrane] 7
COG3660 Predicted nucleoside-diphosphate-sugar epimerase [Cell envelope biogenesis, outer membrane] 7
COG1210 GalU UDP-glucose pyrophosphorylase [Cell envelope biogenesis, outer membrane] 7
COG0836 {ManC} Mannose-1-phosphate guanylyltransferase [Cell envelope biogenesis, outer membrane] 7
COG2089 SpsE Sialic acid synthase [Cell envelope biogenesis, outer membrane] 6
COG1083 NeuA CMP-N-acetylneuraminic acid synthetase [Cell envelope biogenesis, outer membrane] 6
COG3209 RhsA Rhs family protein [Cell envelope biogenesis, outer membrane] 6
COG1212 KdsB CMP-2-keto-3-deoxyoctulosonic acid synthetase [Cell envelope biogenesis, outer membrane] 6
COG5520 O-Glycosyl hydrolase [Cell envelope biogenesis, outer membrane] 5
COG3559 TnrB3 Putative exporter of polyketide antibiotics [Cell envelope biogenesis, outer membrane] 5
COG1861 SpsF Spore coat polysaccharide biosynthesis protein F, CMP-KDO synthetase homolog [Cell envelope biogenesis, outer membrane] 5
COG0794 GutQ Predicted sugar phosphate isomerase involved in capsule formation [Cell envelope biogenesis, outer membrane] 5
COG2222 AgaS Predicted phosphosugar isomerases [Cell envelope biogenesis, outer membrane] 5
COG0812 MurB UDP-N-acetylmuramate dehydrogenase [Cell envelope biogenesis, outer membrane] 5
COG1696 DltB Predicted membrane protein involved in D-alanine export [Cell envelope biogenesis, outer membrane] 5
COG3774 OCH1 Mannosyltransferase OCH1 and related enzymes [Cell envelope biogenesis, outer membrane] 4
COG5597 Alpha-N-acetylglucosamine transferase [Cell envelope biogenesis, outer membrane] 4
COG4464 CapC Capsular polysaccharide biosynthesis protein [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 4
COG0845 AcrA Membrane-fusion protein [Cell envelope biogenesis, outer membrane] 4
COG1292 BetT Choline-glycine betaine transporter [Cell envelope biogenesis, outer membrane] 4
COG1560 HtrB Lauroyl/myristoyl acyltransferase [Cell envelope biogenesis, outer membrane] 4
COG1663 LpxK Tetraacyldisaccharide-1-P 4'-kinase [Cell envelope biogenesis, outer membrane] 3
COG2843 PgsA Putative enzyme of poly-gamma-glutamate biosynthesis (capsule formation) [Cell envelope biogenesis, outer membrane] 3
COG0773 MurC UDP-N-acetylmuramate-alanine ligase [Cell envelope biogenesis, outer membrane] 3
COG0770 MurF UDP-N-acetylmuramyl pentapeptide synthase [Cell envelope biogenesis, outer membrane] 3
COG5434 PGU1 Endopygalactorunase [Cell envelope biogenesis, outer membrane] 3
COG1361 S-layer domain [Cell envelope biogenesis, outer membrane] 3
COG0815 Lnt Apolipoprotein N-acyltransferase [Cell envelope biogenesis, outer membrane] 3
COG0769 MurE UDP-N-acetylmuramyl tripeptide synthase [Cell envelope biogenesis, outer membrane] 3
COG3524 KpsE Capsule polysaccharide export protein [Cell envelope biogenesis, outer membrane] 3
COG0472 Rfe UDP-N-acetylmuramyl pentapeptide phosphotransferase/UDP-N- acetylglucosamine-1-phosphate transferase [Cell envelope biogenesis, outer membrane] 2
COG4775 Outer membrane protein/protective antigen OMA87 [Cell envelope biogenesis, outer membrane] 2
COG3409 Putative peptidoglycan-binding domain-containing protein [Cell envelope biogenesis, outer membrane] 2
COG4932 Predicted outer membrane protein [Cell envelope biogenesis, outer membrane] 2
COG0787 Alr Alanine racemase [Cell envelope biogenesis, outer membrane] 2
COG1887 TagB Putative glycosyl/glycerophosphate transferases involved in teichoic acid biosynthesis TagF/TagB/EpsJ/RodC [Cell envelope biogenesis, outer membrane] 2
COG3306 Glycosyltransferase involved in LPS biosynthesis [Cell envelope biogenesis, outer membrane] 2
COG4238 Murein lipoprotein [Cell envelope biogenesis, outer membrane] 2
COG3264 Small-conductance mechanosensitive channel [Cell envelope biogenesis, outer membrane] 1
COG0768 FtsI Cell division protein FtsI/penicillin-binding protein 2 [Cell envelope biogenesis, outer membrane] 1
COG1794 RacX Aspartate racemase [Cell envelope biogenesis, outer membrane] 1
COG1346 LrgB Putative effector of murein hydrolase [Cell envelope biogenesis, outer membrane] 1
COG5632 N-acetylmuramoyl-L-alanine amidase [Cell envelope biogenesis, outer membrane] 1
COG1388 LytE FOG: LysM repeat [Cell envelope biogenesis, outer membrane] 1
COG4952 Predicted sugar isomerase [Cell envelope biogenesis, outer membrane] 1
COG1732 OpuBC Periplasmic glycine betaine/choline-binding (lipo)protein of an ABC-type transport system (osmoprotectant binding protein) [Cell envelope biogenesis, outer membrane] 1
COG0729 Outer membrane protein [Cell envelope biogenesis, outer membrane] 1
COG1898 RfbC dTDP-4-dehydrorhamnose 3,5-epimerase and related enzymes [Cell envelope biogenesis, outer membrane] 1
COG2877 KdsA 3-deoxy-D-manno-octulosonic acid (KDO) 8-phosphate synthase [Cell envelope biogenesis, outer membrane] 1
COG3049 Penicillin V acylase and related amidases [Cell envelope biogenesis, outer membrane] 1
COG3023 ampD N-acetyl-anhydromuramyl-L-alanine amidase [Cell envelope biogenesis, outer membrane] 1