COG cluster associated with parent COG general functional cagegory: Carbohydrate transport and metabolism
COG ID
Link to COG
Functional Description Protein Count
Link to
protein list

COG2956 Predicted N-acetylglucosaminyl transferase [Carbohydrate transport and metabolism] 1907
COG2706 3-carboxymuconate cyclase [Carbohydrate transport and metabolism] 1349
COG3386 Gluconolactonase [Carbohydrate transport and metabolism] 1169
COG3839 MalK ABC-type sugar transport systems, ATPase components [Carbohydrate transport and metabolism] 954
COG2814 AraJ Arabinose efflux permease [Carbohydrate transport and metabolism] 892
COG2271 UhpC Sugar phosphate permease [Carbohydrate transport and metabolism] 892
COG0738 FucP Fucose permease [Carbohydrate transport and metabolism] 862
COG2211 MelB Na+/melibiose symporter and related transporters [Carbohydrate transport and metabolism] 854
COG1129 MglA ABC-type sugar transport system, ATPase component [Carbohydrate transport and metabolism] 799
COG0477 ProP Permeases of the major facilitator superfamily [Carbohydrate transport and metabolism / Amino acid transport and metabolism / Inorganic ion transport and metabolism / General function prediction only] 589
COG0697 RhaT Permeases of the drug/metabolite transporter (DMT) superfamily [Carbohydrate transport and metabolism / Amino acid transport and metabolism / General function prediction only] 568
COG1086 Predicted nucleoside-diphosphate sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 520
COG1134 TagH ABC-type polysaccharide/polyol phosphate transport system, ATPase component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 487
COG0451 WcaG Nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 454
COG0702 Predicted nucleoside-diphosphate-sugar epimerases [Cell envelope biogenesis, outer membrane / Carbohydrate transport and metabolism] 419
COG4975 GlcU Putative glucose uptake permease [Carbohydrate transport and metabolism] 320
COG1819 Glycosyl transferases, related to UDP-glucuronosyltransferase [Carbohydrate transport and metabolism / Signal transduction mechanisms] 302
COG1635 THI4 Ribulose 1,5-bisphosphate synthetase, converts PRPP to RuBP, flavoprotein [Carbohydrate transport and metabolism] 285
COG5070 VRG4 Nucleotide-sugar transporter [Carbohydrate transport and metabolism / Posttranslational modification, protein turnover, chaperones / Intracellular trafficking and secretion] 283
COG0647 NagD Predicted sugar phosphatases of the HAD superfamily [Carbohydrate transport and metabolism] 214
COG3867 Arabinogalactan endo-1,4-beta-galactosidase [Carbohydrate transport and metabolism] 210
COG3866 PelB Pectate lyase [Carbohydrate transport and metabolism] 207
COG0297 GlgA Glycogen synthase [Carbohydrate transport and metabolism] 180
COG1023 Gnd Predicted 6-phosphogluconate dehydrogenase [Carbohydrate transport and metabolism] 177
COG1874 LacA Beta-galactosidase [Carbohydrate transport and metabolism] 160
COG2074 2-phosphoglycerate kinase [Carbohydrate transport and metabolism] 155
COG2723 BglB Beta-glucosidase/6-phospho-beta-glucosidase/beta-galactosidase [Carbohydrate transport and metabolism] 152
COG0380 OtsA Trehalose-6-phosphate synthase [Carbohydrate transport and metabolism] 148
COG2730 BglC Endoglucanase [Carbohydrate transport and metabolism] 140
COG3693 XynA Beta-1,4-xylanase [Carbohydrate transport and metabolism] 139
COG4677 PemB Pectin methylesterase [Carbohydrate transport and metabolism] 136
COG1877 OtsB Trehalose-6-phosphatase [Carbohydrate transport and metabolism] 125
COG0448 GlgC ADP-glucose pyrophosphorylase [Carbohydrate transport and metabolism] 122
COG3265 GntK Gluconate kinase [Carbohydrate transport and metabolism] 119
COG0362 Gnd 6-phosphogluconate dehydrogenase [Carbohydrate transport and metabolism] 118
COG3250 LacZ Beta-galactosidase/beta-glucuronidase [Carbohydrate transport and metabolism] 116
COG0580 GlpF Glycerol uptake facilitator and related permeases (Major Intrinsic Protein Family) [Carbohydrate transport and metabolism] 114
COG0058 GlgP Glucan phosphorylase [Carbohydrate transport and metabolism] 112
COG0800 Eda 2-keto-3-deoxy-6-phosphogluconate aldolase [Carbohydrate transport and metabolism] 105
COG0296 GlgB 1,4-alpha-glucan branching enzyme [Carbohydrate transport and metabolism] 94
COG3010 NanE Putative N-acetylmannosamine-6-phosphate epimerase [Carbohydrate transport and metabolism] 92
COG3934 Endo-beta-mannanase [Carbohydrate transport and metabolism] 91
COG2513 PrpB PEP phosphonomutase and related enzymes [Carbohydrate transport and metabolism] 90
COG0662 {ManC} Mannose-6-phosphate isomerase [Carbohydrate transport and metabolism] 88
COG1486 CelF Alpha-galactosidases/6-phospho-beta-glucosidases, family 4 of glycosyl hydrolases [Carbohydrate transport and metabolism] 88
COG5309 Exo-beta-1,3-glucanase [Carbohydrate transport and metabolism] 87
COG0057 GapA Glyceraldehyde-3-phosphate dehydrogenase/erythrose-4-phosphate dehydrogenase [Carbohydrate transport and metabolism] 84
COG1363 FrvX Cellulase M and related proteins [Carbohydrate transport and metabolism] 84
COG0269 SgbH 3-hexulose-6-phosphate synthase and related proteins [Carbohydrate transport and metabolism] 80
COG1501 Alpha-glucosidases, family 31 of glycosyl hydrolases [Carbohydrate transport and metabolism] 78
COG2133 Glucose/sorbosone dehydrogenases [Carbohydrate transport and metabolism] 76
COG0036 Rpe Pentose-5-phosphate-3-epimerase [Carbohydrate transport and metabolism] 75
COG4284 UDP-glucose pyrophosphorylase [Carbohydrate transport and metabolism] 72
COG2140 Thermophilic glucose-6-phosphate isomerase and related metalloenzymes [Carbohydrate transport and metabolism / General function prediction only] 70
COG1070 XylB Sugar (pentulose and hexulose) kinases [Carbohydrate transport and metabolism] 70
COG4101 Predicted mannose-6-phosphate isomerase [Carbohydrate transport and metabolism] 65
COG1830 FbaB DhnA-type fructose-1,6-bisphosphate aldolase and related enzymes [Carbohydrate transport and metabolism] 64
COG0021 TktA Transketolase [Carbohydrate transport and metabolism] 63
COG3957 Phosphoketolase [Carbohydrate transport and metabolism] 60
COG3664 XynB Beta-xylosidase [Carbohydrate transport and metabolism] 52
COG1548 Predicted transcriptional regulator/sugar kinase [Transcription / Carbohydrate transport and metabolism] 51
COG4305 Endoglucanase C-terminal domain/subunit and related proteins [Carbohydrate transport and metabolism] 51
COG1523 PulA Type II secretory pathway, pullulanase PulA and related glycosidases [Carbohydrate transport and metabolism] 50
COG1105 FruK Fructose-1-phosphate kinase and related fructose-6-phosphate kinase (PfkB) [Carbohydrate transport and metabolism] 50
COG3961 Pyruvate decarboxylase and related thiamine pyrophosphate-requiring enzymes [Carbohydrate transport and metabolism / Coenzyme metabolism / General function prediction only] 50
COG0524 RbsK Sugar kinases, ribokinase family [Carbohydrate transport and metabolism] 49
COG3959 Transketolase, N-terminal subunit [Carbohydrate transport and metabolism] 49
COG0588 GpmA Phosphoglycerate mutase 1 [Carbohydrate transport and metabolism] 49
COG1940 NagC Transcriptional regulator/sugar kinase [Transcription / Carbohydrate transport and metabolism] 48
COG2152 Predicted glycosylase [Carbohydrate transport and metabolism] 47
COG3280 TreY Maltooligosyl trehalose synthase [Carbohydrate transport and metabolism] 46
COG3345 GalA Alpha-galactosidase [Carbohydrate transport and metabolism] 45
COG0366 AmyA Glycosidases [Carbohydrate transport and metabolism] 43
COG0383 AMS1 Alpha-mannosidase [Carbohydrate transport and metabolism] 42
COG1879 RbsB ABC-type sugar transport system, periplasmic component [Carbohydrate transport and metabolism] 40
COG2273 SKN1 Beta-glucanase/Beta-glucan synthetase [Carbohydrate transport and metabolism] 39
COG1682 TagG ABC-type polysaccharide/polyol phosphate export systems, permease component [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 39
COG0153 GalK Galactokinase [Carbohydrate transport and metabolism] 37
COG3958 Transketolase, C-terminal subunit [Carbohydrate transport and metabolism] 37
COG3507 XynB Beta-xylosidase [Carbohydrate transport and metabolism] 37
COG2971 Predicted N-acetylglucosamine kinase [Carbohydrate transport and metabolism] 35
COG0191 Fba Fructose/tagatose bisphosphate aldolase [Carbohydrate transport and metabolism] 35
COG1621 SacC Beta-fructosidases (levanase/invertase) [Carbohydrate transport and metabolism] 33
COG3387 SGA1 Glucoamylase and related glycosyl hydrolases [Carbohydrate transport and metabolism] 33
COG1349 GlpR Transcriptional regulators of sugar metabolism [Transcription / Carbohydrate transport and metabolism] 32
COG3408 GDB1 Glycogen debranching enzyme [Carbohydrate transport and metabolism] 32
COG4993 Gcd Glucose dehydrogenase [Carbohydrate transport and metabolism] 32
COG3836 HpcH 2,4-dihydroxyhept-2-ene-1,7-dioic acid aldolase [Carbohydrate transport and metabolism] 32
COG3534 AbfA Alpha-L-arabinofuranosidase [Carbohydrate transport and metabolism] 32
COG0063 Predicted sugar kinase [Carbohydrate transport and metabolism] 31
COG2942 N-acyl-D-glucosamine 2-epimerase [Carbohydrate transport and metabolism] 31
COG0574 PpsA Phosphoenolpyruvate synthase/pyruvate phosphate dikinase [Carbohydrate transport and metabolism] 31
COG0483 SuhB Archaeal fructose-1,6-bisphosphatase and related enzymes of inositol monophosphatase family [Carbohydrate transport and metabolism] 30
COG0149 TpiA Triosephosphate isomerase [Carbohydrate transport and metabolism] 30
COG1472 BglX Beta-glucosidase-related glycosidases [Carbohydrate transport and metabolism] 29
COG0537 Hit Diadenosine tetraphosphate (Ap4A) hydrolase and other HIT family hydrolases [Nucleotide transport and metabolism / Carbohydrate transport and metabolism / General function prediction only] 28
COG3459 Cellobiose phosphorylase [Carbohydrate transport and metabolism] 28
COG3325 ChiA Chitinase [Carbohydrate transport and metabolism] 27
COG1820 NagA N-acetylglucosamine-6-phosphate deacetylase [Carbohydrate transport and metabolism] 27
COG3469 Chitinase [Carbohydrate transport and metabolism] 27
COG4213 XylF ABC-type xylose transport system, periplasmic component [Carbohydrate transport and metabolism] 26
COG0158 Fbp Fructose-1,6-bisphosphatase [Carbohydrate transport and metabolism] 26
COG5026 Hexokinase [Carbohydrate transport and metabolism] 25
COG0469 PykF Pyruvate kinase [Carbohydrate transport and metabolism] 24
COG3635 Predicted phosphoglycerate mutase, AP superfamily [Carbohydrate transport and metabolism] 24
COG4354 Predicted bile acid beta-glucosidase [Carbohydrate transport and metabolism] 24
COG2017 GalM Galactose mutarotase and related enzymes [Carbohydrate transport and metabolism] 23
COG0676 Uncharacterized enzymes related to aldose 1-epimerase [Carbohydrate transport and metabolism] 22
COG1109 {ManB} Phosphomannomutase [Carbohydrate transport and metabolism] 22
COG1626 TreA Neutral trehalase [Carbohydrate transport and metabolism] 22
COG0205 PfkA 6-phosphofructokinase [Carbohydrate transport and metabolism] 22
COG1640 MalQ 4-alpha-glucanotransferase [Carbohydrate transport and metabolism] 22
COG2301 CitE Citrate lyase beta subunit [Carbohydrate transport and metabolism] 22
COG1593 DctQ TRAP-type C4-dicarboxylate transport system, large permease component [Carbohydrate transport and metabolism] 22
COG2610 GntT H+/gluconate symporter and related permeases [Carbohydrate transport and metabolism / Amino acid transport and metabolism] 21
COG0364 Zwf Glucose-6-phosphate 1-dehydrogenase [Carbohydrate transport and metabolism] 21
COG1080 PtsA Phosphoenolpyruvate-protein kinase (PTS system EI component in bacteria) [Carbohydrate transport and metabolism] 21
COG0696 GpmI Phosphoglyceromutase [Carbohydrate transport and metabolism] 20
COG1015 DeoB Phosphopentomutase [Carbohydrate transport and metabolism] 20
COG5371 Golgi nucleoside diphosphatase [Carbohydrate transport and metabolism / Posttranslational modification, protein turnover, chaperones] 20
COG0033 Pgm Phosphoglucomutase [Carbohydrate transport and metabolism] 19
COG2376 DAK1 Dihydroxyacetone kinase [Carbohydrate transport and metabolism] 17
COG3623 SgaU Putative L-xylulose-5-phosphate 3-epimerase [Carbohydrate transport and metabolism] 17
COG1082 IolE Sugar phosphate isomerases/epimerases [Carbohydrate transport and metabolism] 16
COG0837 Glk Glucokinase [Carbohydrate transport and metabolism] 16
COG1449 Alpha-amylase/alpha-mannosidase [Carbohydrate transport and metabolism] 14
COG3855 Fbp Uncharacterized protein conserved in bacteria [Carbohydrate transport and metabolism] 14
COG1482 ManA Phosphomannose isomerase [Carbohydrate transport and metabolism] 13
COG0148 Eno Enolase [Carbohydrate transport and metabolism] 13
COG1653 UgpB ABC-type sugar transport system, periplasmic component [Carbohydrate transport and metabolism] 12
COG4464 CapC Capsular polysaccharide biosynthesis protein [Carbohydrate transport and metabolism / Cell envelope biogenesis, outer membrane] 12
COG0120 RpiA Ribose 5-phosphate isomerase [Carbohydrate transport and metabolism] 12
COG4421 Capsular polysaccharide biosynthesis protein [Carbohydrate transport and metabolism] 12
COG3684 LacD Tagatose-1,6-bisphosphate aldolase [Carbohydrate transport and metabolism] 10
COG1892 Phosphoenolpyruvate carboxylase [Carbohydrate transport and metabolism; Energy production and conversion] 10
COG0176 MipB Transaldolase [Carbohydrate transport and metabolism] 10
COG4809 Archaeal ADP-dependent phosphofructokinase/glucokinase [Carbohydrate transport and metabolism] 9
COG4468 GalT Galactose-1-phosphate uridyltransferase [Carbohydrate transport and metabolism] 9
COG1554 ATH1 Trehalose and maltose hydrolases (possible phosphorylases) [Carbohydrate transport and metabolism] 9
COG0235 AraD Ribulose-5-phosphate 4-epimerase and related epimerases and aldolases [Carbohydrate transport and metabolism] 9
COG2182 MalE Maltose-binding periplasmic proteins/domains [Carbohydrate transport and metabolism] 9
COG0126 Pgk 3-phosphoglycerate kinase [Carbohydrate transport and metabolism] 9
COG3281 Ble Uncharacterized protein, probably involved in trehalose biosynthesis [Carbohydrate transport and metabolism] 8
COG3588 Fructose-1,6-bisphosphate aldolase [Carbohydrate transport and metabolism] 8
COG4833 Predicted glycosyl hydrolase [Carbohydrate transport and metabolism] 8
COG2190 NagE Phosphotransferase system IIA components [Carbohydrate transport and metabolism] 8
COG0363 NagB 6-phosphogluconolactonase/Glucosamine-6-phosphate isomerase/deaminase [Carbohydrate transport and metabolism] 7
COG0166 Pgi Glucose-6-phosphate isomerase [Carbohydrate transport and metabolism] 7
COG3525 Chb N-acetyl-beta-hexosaminidase [Carbohydrate transport and metabolism] 7
COG0279 GmhA Phosphoheptose isomerase [Carbohydrate transport and metabolism] 6
COG3594 NolL Fucose 4-O-acetylase and related acetyltransferases [Carbohydrate transport and metabolism] 6
COG4282 SMI1 Protein involved in beta-1,3-glucan synthesis [Carbohydrate transport and metabolism] 6
COG3414 SgaB Phosphotransferase system, galactitol-specific IIB component [Carbohydrate transport and metabolism] 6
COG1904 UxaC Glucuronate isomerase [Carbohydrate transport and metabolism] 6
COG3718 IolB Uncharacterized enzyme involved in inositol metabolism [Carbohydrate transport and metabolism] 5
COG5297 CelA Cellobiohydrolase A (1,4-beta-cellobiosidase A) [Carbohydrate transport and metabolism] 5
COG1440 CelA Phosphotransferase system cellobiose-specific component IIB [Carbohydrate transport and metabolism] 5
COG1445 FrwB Phosphotransferase system fructose-specific component IIB [Carbohydrate transport and metabolism] 5
COG1494 GlpX Fructose-1,6-bisphosphatase/sedoheptulose 1,7-bisphosphatase and related proteins [Carbohydrate transport and metabolism] 4
COG3669 Alpha-L-fucosidase [Carbohydrate transport and metabolism] 3
COG3661 AguA Alpha-glucuronidase [Carbohydrate transport and metabolism] 3
COG0129 IlvD Dihydroxyacid dehydratase/phosphogluconate dehydratase [Amino acid transport and metabolism / Carbohydrate transport and metabolism] 2
COG4692 Predicted neuraminidase (sialidase) [Carbohydrate transport and metabolism] 2
COG0698 RpiB Ribose 5-phosphate isomerase RpiB [Carbohydrate transport and metabolism] 2
COG3734 DgoK 2-keto-3-deoxy-galactonokinase [Carbohydrate transport and metabolism] 2
COG4508 Dimeric dUTPase [Carbohydrate transport and metabolism] 2
COG3717 KduI 5-keto 4-deoxyuronate isomerase [Carbohydrate transport and metabolism] 2
COG2342 Predicted extracellular endo alpha-1,4 polygalactosaminidase or related polysaccharide hydrolase [Carbohydrate transport and metabolism] 2
COG4409 NanH Neuraminidase (sialidase) [Carbohydrate transport and metabolism] 2
COG1638 DctP TRAP-type C4-dicarboxylate transport system, periplasmic component [Carbohydrate transport and metabolism] 2
COG2115 XylA Xylose isomerase [Carbohydrate transport and metabolism] 1
COG4806 RhaA L-rhamnose isomerase [Carbohydrate transport and metabolism] 1
COG4130 Predicted sugar epimerase [Carbohydrate transport and metabolism] 1
COG1803 MgsA Methylglyoxal synthase [Carbohydrate transport and metabolism] 1
COG3622 Hfi Hydroxypyruvate isomerase [Carbohydrate transport and metabolism] 1