Glycoside Hydrolase Family 5 / Subf 54

Activities in Sub FamilyNo known activity in this subfamily.
Activities in Family:
[retaining] arabinoxylan-specific endo-β-1,4-xylanase (EC 3.2.1.-);
β-1,3-mannanase (EC 3.2.1.-);
β-rutinosidase /α-L-rhamnose-(1,6)-β-D-glucosidase (EC 3.2.1.-);
Glucomannan-specific endo-β-1,4-glucanase (EC 3.2.1.-);
Mannan exo-β-1,4-mannosidase (EC 3.2.1.-);
Steryl β-glucosidase (EC 3.2.1.104);
Endoglycosylceramidase (EC 3.2.1.123);
Chitosanase (EC 3.2.1.132);
β-D-galactofuranosidase (EC 3.2.1.146);
β-primeverosidase (EC 3.2.1.149);
Oligoxyloglucan reducing-end-specific cellobiohydrolase (EC 3.2.1.150);
Xyloglucan-specific endo-β-1,4-glucanase / endo-xyloglucanase (EC 3.2.1.151);
Endo-β-1,6-galactanase (EC 3.2.1.164);
Hesperidin 6-O-α-L-rhamnosyl-β-glucosidase (EC 3.2.1.168);
β-glucosidase (EC 3.2.1.21);
β-galactosidase (EC 3.2.1.23);
β-mannosidase (EC 3.2.1.25);
Xylan β-1,4-xylosidase (EC 3.2.1.37);
Endo-β-1,3-glucanase / laminarinase (EC 3.2.1.39);
Endo-β-1,4-glucanase (EC 3.2.1.4);
β-glucosylceramidase (EC 3.2.1.45);
β-galactosylceramidase (EC 3.2.1.46);
β-N-acetylhexosaminidase (EC 3.2.1.52);
α-L-arabinofuranosidase (EC 3.2.1.55);
Exo-β-1,3-glucanase (EC 3.2.1.58);
Endo-β-1,3(4)-glucanase / lichenase-laminarinase (EC 3.2.1.6);
Lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73);
Exo-β-1,4-glucanase / cellodextrinase (EC 3.2.1.74);
Endo-β-1,6-glucanase (EC 3.2.1.75);
Endo-β-1,4-mannanase (EC 3.2.1.78);
Endo-β-1,4-xylanase (EC 3.2.1.8);
Cellobiohydrolase (EC 3.2.1.91);
Mechanism Retaining e
ClanGH-A
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
NoteOnce known as cellulase family A; many members have been assigned to subfamilies as described by Aspeborg et al. (2012) BMC Evol Biol. 12(1):186 (PMID: 22992189).
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (1); Uniprot accession (0);
Bacteria
Protein Name EC#Organism GenBankUniprotPDB/3DSubf
 PQ477_10715   Alkalihalobacillus sp. DSM 23008 WDF01997.1     54
 MM326_09290   Alkalihalobacillus sp. LMS6 UTR08188.1     54
 bsdcttw_18500   Anaerocolumna sp. CTTW BCJ98809.1     54
 bsdcttw_41690   Anaerocolumna sp. CTTW BCK01129.1     54
 bsdcttw_07350   Anaerocolumna sp. CTTW BCJ97694.1     54
 HZF06_17570   Clostridium intestinale Lx1 QLY78876.1     54
 CLSAP_04350 (Lyta_3)   Clostridium saccharoperbutylacetonicum N1-504 AQR93158.1     54
 ONV75_14850   Clostridium sp. LQ25 UZT05862.1     54
 NQ558_09120   Eubacterium ventriosum ATCC 27560 UWP35278.1     54
 NQ558_01125   Eubacterium ventriosum ATCC 27560 UWP36202.1     54
 NCTC10812_02437   Listeria grayi NCTC 10812 VEI36204.1     54
 JT25_011185   Methylomonas denitrificans FJG1 AMK77044.1     54
 QC632_11095   Methylomonas sp. UP202 WGS88281.1     54
 EI981_12360   Paenibacillus sp. MBLB1234 AZS15177.1     54
 AWM70_04395   Paenibacillus yonginensis DCY84 ANS77092.1     54
 BleG1_0468   Shouchella lehensis G1 AIC93076.1     54
 EYR00_13490   Thomasclavelia ramosa DSM 1402 QMW75669.1     54
 I6I62_15885   Thomasclavelia ramosa FDAARGOS_1105 QQV05865.1     54
 I6I63_14155   Thomasclavelia ramosa FDAARGOS_1106 QQY27184.1     54
 I6G63_04750   Thomasclavelia ramosa FDAARGOS_906 QPS13997.1     54
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