Glycoside Hydrolase Family 5 / Subf 55

Activities in Sub FamilyEndo-β-1,4-glucanase (EC 3.2.1.4);
Endo-β-1,4-mannanase (EC 3.2.1.78);
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 (36); Uniprot accession (2);
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3DSubf
 β-mannanase (CtMan5A;Cthe_0821) (Man5A) 3.2.1.78 pubmed
Acetivibrio thermocellus ATCC 27405 ABN52056.1 A3DDM7   55
 endoglucanase G (EngG;Clocel_2600) 3.2.1.4 pubmed
Clostridium cellulovorans 743B ADL52309.1 D9SQV3   55
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