Glycoside Hydrolase Family 39

Activities in Family3-O-β-L-arabinopyranosyl-α-L-arabinofuranosidase (EC 3.2.1.-);
Endo-α-L-rhamnosidase (EC 3.2.1.-);
β-glucosidase (EC 3.2.1.21);
3-O-α-D-galactosyl-α-L-arabinofuranosidase (EC 3.2.1.215);
β-galactosidase (EC 3.2.1.23);
Xylan β-1,4-xylosidase (EC 3.2.1.37);
Exo-β-1,4-glucanase / cellodextrinase (EC 3.2.1.74);
α-L-iduronidase (EC 3.2.1.76);
Mechanism Retaining e
ClanGH-A
3D Structure Status( β / α ) 8 barrel
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
External resourcesCAZypedia; PRINTS; PROSITE;
Commercial Enzyme Provider(s)PROZOMIX;
Statistics GenBank accession (5735); Uniprot accession (45); PDB accession (29); 3D entries (10); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 3-O-α-D-galactosyl-α-L-arabinofuranosidase (GAfase; BLGA_00340) 3.2.1.215 pubmed
Bifidobacterium longum subsp. longum JCM 7052 BBV22623.1 A0A7I6W7X7  
 3-O-β-L-arabinopyranosyl-α-L-arabinofuranosidase (AAfase; MCC10289_0425) 3.2.1.- pubmed
Bifidobacterium pseudocatenulatum MCC10289 WP_065438160.1
BDV32471.1
   
 β-1,4-xylosidase (CoXylA;Calow_0126) 3.2.1.37 pubmed
Caldicellulosiruptor owensensis OL ADQ03734.1 E4Q2A6  
 β-xylosidase B (XynB;Orf5) 3.2.1.37 pubmed
Caldicellulosiruptor saccharolyticus AAA23063.1
AAB87376.1
P23552  
 β-xylosidase D (XynD) 3.2.1.37 pubmed
Caldicellulosiruptor saccharolyticus AAB87373.1 O30428  
 β-xylosidase (XynD;Csac_2409) 3.2.1.37 pubmed
Caldicellulosiruptor saccharolyticus DSM 8903 ABP67986.1
ABP67986.2
A4XM51  
 β-xylosidase II (XynB2;CcXynB2;CC2357) 3.2.1.37 pubmed
Caulobacter vibrioides CB15 AAK24328.1
NP_421160.1
Q9A5U0 4EKJ[A]
4M29[A]
 β-xylosidase (Xln-DT) 3.2.1.37 pubmed
Dictyoglomus thermophilum DSM 3960 ARO76324.1 A0A1W6S724  
  β-xylosidase (DtXyl; DICTH_1792) 3.2.1.37 pubmed
Dictyoglomus thermophilum H-6-12 ACI18502.1 B5YB78 6YYH[A,B]
6YYI[A,B]
 [ulvan] endo-α-L-rhamnosidase (BN863_22200) 3.2.1.- pubmed
Formosa agariphila KMM 3901 CDF79932.1 T2KM23  
 β-xylosidase 3.2.1.37 pubmed
Geobacillus sp. WSUCF1 WP_020755811.1 A0A1V9CR85
A0A7H1RXW2
S7STZ0
 
 β-xylosidase (XynB;XynB1;HUS_CDS69) 3.2.1.37 pubmed
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]
 β-xylosidase (BHXyl39;Bxyl;BH1068) 3.2.1.37 pubmed
Halalkalibacterium halodurans C-125 BAB04787.1
NP_241934.1
Q9KDZ3  
 exopolysaccharide Psl biosynthetic/hydrolytic enzyme (PslG; PA2237) 3.2.1.21 pubmed
Pseudomonas aeruginosa PAO1 AAG05625.1
NP_250927.1
Q9I1N2 4ZN2[A,B,C,D]
5BX9[A]
5BXA[A]
 exo-oligoxylanase (XuaG; Ccel_1259) 3.2.1.37 pubmed
Ruminiclostridium cellulolyticum H10 ACL75615.1    
 xylan 1,4-β-xylosidase (SlXyn39; Slin_3934) 3.2.1.37 pubmed
Spirosoma linguale DSM 74 ADB39924.1 D2QHX5  
 β-xylosidase (XynB) 3.2.1.37 pubmed
Thermoanaerobacterium saccharolyticum B6A-RI AAA27369.1 P36906 1PX8[A,B]
1UHV[A,B,C,D]
 β-xylosidase (XylB;Tsac_1452) 3.2.1.37 pubmed
Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK86459.1
AAB68820.1
I3VVB4
O30360
 
 β-xylosidase A (BxlA) (Bxl39A) 3.2.1.37 pubmed
Thermoclostridium stercorarium NCIMB 11745 CAD48308.1 Q8GJ43  
 β-xylosidase (Bxl39A; BxlA; Cst_c08910) 3.2.1.37 pubmed
Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGI38931.1
AGC67890.1
L7VIK2  
 Xyl21 3.2.1.37 doi
uncultured bacterium APG32530.1 A0A1L3GYC8  
 xylan 1,4-β-xylosidase (XylP81) (fragment) 3.2.1.37 pubmed
uncultured bacterium QPG93045.1 A0A8E4REG4  
 β-xylosidase (XynB; XacXynB; XAC4058) 3.2.1.37 pubmed
Xanthomonas citri pv. citri str. 306 AAM38893.1
NP_644357.1
Q8PFC5 6UQJ[A]
Eukaryota
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 α-L-iduronidase (IduA) 3.2.1.76 pubmed
Canis lupus familiaris AAA51455.1 Q01634  
 α-L-iduronidase (IduA;IDUA) 3.2.1.76 pubmed
Felis catus AIT52923.1 A0A097HWG4  
 α-L-iduronidase (IduA) 3.2.1.76 pubmed
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
A0A286RYY1
A0A286RZ47
A8K701
J9QQV7
P35475
Q56A80
Q59H58
3W81[A,B]
3W82[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 pubmed
Mus musculus AAC42044.1
AAH57935.1
BAC27393.1
BAC32313.1
BAE33353.1
BAE41504.1
NP_032351.1
P48441
Q3TDU4
Q3U1Z0
Q6PEP9
Q8BLF6
Q8BMG0
 
 multifunctional β-glycoside hydrolase (Bgxg1) 3.2.1.21
3.2.1.23
3.2.1.74
pubmed
pubmed
pubmed
Orpinomyces sp. C1A ALT07805.1 A0A0U3AYH9  
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