Activities in Sub Family	Xylan β-1,4-xylosidase (EC 3.2.1.37); α-L-arabinofuranosidase (EC 3.2.1.55); β-1,3-xylosidase (EC 3.2.1.72);
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;
Commercial Enzyme Provider(s)	MEGAZYME; NZYTech; PROZOMIX;
Statistics	GenBank accession (360); Uniprot accession (26); PDB accession (15); 3D entries (8); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
β-xylosidase (BpX;XynB;E-BXSEBP)	3.2.1.37	Bacillus pumilus IPO	CAA29235.1	P07129	5ZQJ[A,B] 1.73 5ZQS[A,B] β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp 1.78 5ZQX[A,B,C,D] β-D-Xylp-(1-4)-β-D-Xylp 2.00	11
β-xylosidase (XynB)	3.2.1.37	Bacillus pumilus PLS	AAC97375.1	A0A4V8GZZ0 Q9Z477	6IFE[A,B] 1.80	11
β-1,4-xylosidase (BsX;XynB;YnaK;BSU17580)	3.2.1.37	Bacillus subtilis subsp. subtilis str. 168	AAB41091.1 AIY93062.1 AQR81741.1 AQR85955.1 CAB13642.1 CAB13642.2 NP_389640.1	A0A6M3ZBF4 P94489	1YIF[A,B,C,D] 1.80	11
β-xylosidase (XynD;CAC3452)		Clostridium acetobutylicum ATCC 824	AAK81382.1 NP_350042.1		1Y7B[A,B,C,D] 1.60 1YI7[A,B,C,D] 1.90	11
β-xylosidase (Xyl43)	3.2.1.37	Enterobacter sp. enrichment culture clone nf1B6	AFZ78871.1	V5J3M5	7K1R[A,B,C,D] 2.40 8UWS[A,B,C,D] 2.65	11
β-xylosidase (XynB3;HUS_CDS105)	3.2.1.37	Geobacillus stearothermophilus T-6 NCIMB 40222	AAT98625.1 ABI49959.1	Q09LX0	2EXH[A,B,C,D] 1.88 2EXI[A,B,C,D] 2.15 2EXJ[A,B,C,D] β-D-Xylp-(1-4)-β-D-Xylp 2.20 2EXK[A,B,C,D] β-D-Xylp-(1-4)-β-D-Xylp 2.20	11
β-xylosidase (XynB;XylBH43;BH3683)	3.2.1.37	Halalkalibacterium halodurans C-125	BAB07402.1 NP_244550.1	Q9K6P5	1YRZ[A,B] 2.00	11
β-xylosidase / α-L-arabinofuranosidase (Xsa; Sxa; SXA; SrXyl43)	3.2.1.37 3.2.1.55	Selenomonas ruminantium GA192	AAB97967.1	O52575	3C2U[A,B,C,D] 1.30	11
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