Mechanism	Inverting e
Clan	GH-F
3D Structure Status	5-fold β-propeller
Catalytic Nucleophile/Base	Asp
Catalytic Proton Donor	Glu
Note	Many members have been assigned to subfamilies as described by Mewis et al. (2016) Appl. Environm. Microbiol. 82:1686-1692 (PMID: 26729713).
External resources	CAZypedia;
Statistics	GenBank accession (664); Uniprot accession (32); PDB accession (12); 3D entries (3); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
β-xylosidase / α-L-arabinofuranosidase (CoXyl43)	3.2.1.37 3.2.1.55	uncultured bacterium	BAS02080.1	A0A0H5BL38	5GLK[A,B] 1.70 5GLL[A,B] 1.80 5GLM[A,B] β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp 1.80 5GLN[A,B] α-D-Xylp β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp 1.70 5GLO[A,B] α-L-Arap β-L-Araf 1.80 5GLP[A,B] α-L-Arap 1.80 5GLQ[A,B] β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp β-L-Araf 1.70 5GLR[A,B] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp β-L-Araf 1.70	1
xylan 1,4-β-xylosidase (Xsa; XacGH43_1; XAC4258) (Xyn43F)	3.2.1.37	Xanthomonas citri pv. citri str. 306	AAM39093.1 NP_644557.1	A0AAI7ZJ64 Q8PET2	6XN0[A,B] 1.71 6XN1[A,B] β-D-Xylp 1.80 6XN2[A,B] β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp 1.65	1
unclassified
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
β-xylosidase (RS223-BX)	3.2.1.37	uncultured organism	AFP23142.1	I7EUE2	4MLG[A,B,C,D,E,F,G,H,I,J, 2.70	1
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