Activities in Family	α-L-iduronidase (EC 3.2.1.76); β-xylosidase (EC 3.2.1.37); α-L-arabinofuranosidase (EC 3.2.1.55); β-glucosidase (EC 3.2.1.21); β-galactosidase (EC 3.2.1.23)
Mechanism	Retaining
Clan	GH-A
3D Structure Status	( β / α ) 8
Catalytic Nucleophile/Base	Glu (experimental)
Catalytic Proton Donor	Glu (experimental)
External resources	CAZypedia; PRINTS; PROSITE;
Commercial Enzyme Provider(s)	PROZOMIX;
Statistics	GenBank accession (3088); Uniprot accession (256); PDB accession (25); 3D entries (8); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
β-xylosidase (BHXyl39;Bxyl;BH1068)	3.2.1.37	Bacillus halodurans C-125	BAB04787.1 NP_241934.1	Q9KDZ3
β-1,4-xylosidase (CoXylA;Calow_0126)	3.2.1.37	Caldicellulosiruptor owensensis OL	ADQ03734.1	E4Q2A6
β-xylosidase B (XynB;Orf5)	3.2.1.37	Caldicellulosiruptor saccharolyticus	AAA23063.1 AAB87376.1	P23552
β-xylosidase D (XynD)	3.2.1.37	Caldicellulosiruptor saccharolyticus	AAB87373.1	O30428
β-xylosidase (XynD;Csac_2409)	3.2.1.37	Caldicellulosiruptor saccharolyticus DSM 8903	ABP67986.1 ABP67986.2	A4XM51
β-xylosidase II (XynB2;CcXynB2;CC2357)	3.2.1.37	Caulobacter vibrioides CB15	AAK24328.1 NP_421160.1	Q9A5U0	4EKJ[A] 4M29[A]
endo-α-L-rhamnosidase (BN863_22200)	3.2.1.-	Formosa agariphila KMM 3901	CDF79932.1
β-xylosidase	3.2.1.37	Geobacillus sp. WSUCF1	WP_020755811.1
β-xylosidase (XynB;XynB1;HUS_CDS69)	3.2.1.37	Geobacillus stearothermophilus T-6 NCIMB 40222	ABI49941.1 AAC98129.1	Q9ZFM2	1W91[A,B,C,D,E,F,G,H] 2BFG[A,B,C,D,E,F,G,H] 2BS9[A,B,C,D,E,F,G,H]
exopolysaccharide Psl biosynthetic/hydrolytic enzyme (PslG;PA2237)	2.4.1.- 3.2.1.-	Pseudomonas aeruginosa PAO1	AAG05625.1 NP_250927.1	Q9I1N2	4ZN2[A,B,C,D] 5BX9[A] 5BXA[A]
β-xylosidase (XynB)	3.2.1.37	Thermoanaerobacterium saccharolyticum B6A-RI	AAA27369.1	P36906	1PX8[A,B] 1UHV[A,B,C,D]
β-xylosidase (XylB;Tsac_1452)	3.2.1.37	Thermoanaerobacterium saccharolyticum JW/SL-YS485	AFK86459.1 AAB68820.1	O30360
β-xylosidase A (BxlA) (Bxl39A)	3.2.1.37	Thermoclostridium stercorarium NCIMB 11745	CAD48308.1	Q8GJ43
Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
α-L-iduronidase (IduA)	3.2.1.76	Canis lupus familiaris	AAA51455.1	Q01634
α-L-iduronidase (IduA;IDUA)	3.2.1.76	Felis catus	AIT52923.1
α-L-iduronidase (IduA)	3.2.1.76	Homo sapiens	AAA81589.1 AAA51698.1 AAE53576.1 AAE72581.1 AAH29959.1 AAN25812.1 AAQ32908.1 AAQ46779.1 AAT18792.1 AAY01759.1 ABH73761.1 ABL21590.1 ACG93377.1 ACH14961.1 ACK10791.1 AFR32586.1 ASX95248.1 ASX95249.1 BAD92138.1 BAF84505.1 BAG54168.1 NP_000194.1 XP_042678.2	P35475	3W81[A,B] 4JXO[A,B] 4JXP[A] 4KGJ[A,B] 4KGL[A,B] 4KH2[A,B] 4MJ2[A,B] 4MJ4[A] 4OBR[A,B] 4OBS[A] 6I6R[A,B] 6I6X[A,B]
α-L-iduronidase (IduA)	3.2.1.76	Mus musculus	AAC42044.1 AAH57935.1 BAC27393.1 BAC32313.1 BAE33353.1 BAE41504.1 NP_032351.1	P48441 Q8BLF6 Q8BMG0
D-galacto-(α-1,2)-L-arabinosidase (NF2523)	3.2.1.55	Neocallimastix frontalis	ASF57709.1
α-L-(β-1,2)-arabinofuranobiosidase (NF2152)	3.2.1.55	Neocallimastix frontalis	ASF57707.1		5U22[A]
multifunctional β-glycoside hydrolase (Bgxg1)	3.2.1.21 3.2.1.23 3.2.1.37	Orpinomyces sp. C1A	ALT07805.1
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