Glycoside Hydrolase Family 43 / Subf 22

Activities in Sub Familyα-1,3-L-arabinofuranosidase (EC 3.2.1.-);
Exo-α-1,5-L-arabinofuranosidase (EC 3.2.1.-);
Xylan β-1,4-xylosidase (EC 3.2.1.37);
α-L-arabinofuranosidase (EC 3.2.1.55);
[inverting] endo-α-1,5-L-arabinanase (EC 3.2.1.99);
Mechanism Inverting e
ClanGH-F
3D Structure Status5-fold β-propeller
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorGlu
NoteMany members have been assigned to subfamilies as described by Mewis et al. (2016) Appl. Environm. Microbiol. 82:1686-1692 (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (279); Uniprot accession (3);
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3DSubf
 β-xylosidase (BAD_1527; BAD1527) 3.2.1.37 pubmed
Bifidobacterium adolescentis ATCC 15703 BAF40308.1 A1A3M5   22
 bimodular α-1,3- and α-1,4-L-arabinofuranosidase (BlArafE; BLLJ_1850) 3.2.1.- pubmed
pubmed
Bifidobacterium longum subsp. longum JCM 1217 BAJ67514.1     22
 bimodular α-1,5- and α-1,2-arabinofuranosidase (BlArafD; BLLJ_1851) 3.2.1.99 pubmed
Bifidobacterium longum subsp. longum JCM 1217 BAJ67515.1     22
 exo-α-1,5-L-arabinofuranosidase (BlArafB; BLLJ_1853) 3.2.1.- pubmed
Bifidobacterium longum subsp. longum JCM 1217 BAJ67517.1     22
 α-1,3-L-arabinofuranosidase (BlArafA; BLLJ_1854) 3.2.1.- pubmed
Bifidobacterium longum subsp. longum JCM 1217 BAJ67518.1 A0A3R0A696   22
 arabinanase 43A (RjAbn43A) (Abn43A) 3.2.1.55 pubmed
Ruminiclostridium josui JCM 17888 BBA94052.1 A0A2Z5U6M1   22
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