Glycoside Hydrolase Family 43 / Subf 4

Activities in Familyβ-xylosidase (EC; α-L-arabinofuranosidase (EC; arabinanase (EC; xylanase (EC; galactan 1,3-β-galactosidase (EC; α-1,2-L-arabinofuranosidase (EC 3.2.1.-); exo-α-1,5-L-arabinofuranosidase (EC 3.2.1.-); [inverting] exo-α-1,5-L-arabinanase (EC 3.2.1.-); β-1,3-xylosidase (EC 3.2.1.-)
Activities in Sub Family
Mechanism Inverting
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 (552); Uniprot accession (83); PDB accession (14); 3D entries (5); cryst (0)
Protein Name EC#Organism GenBankUniprotPDB/3DSubf
 arabinanase 43A (G12-10;GH43b(G12);BN138_172) (Abn43A) termite gut metagenome CCO20984.1     4
 exo-α-L-1,5-arabinanase 43B (G12-19;GH43a(G12);BN138_181) (Abn43B) 3.2.1.- termite gut metagenome CCO20993.1     4
 BN138_521   termite gut metagenome CCO21333.1     4

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