Glycoside Hydrolase Family 43 / Subf 12

Activities in Sub FamilyXylan 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
ClanGH-F
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 (5); Uniprot accession (14); PDB accession (12); 3D entries (6); cryst (0)
Bacteria
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 BLi00864 or BL03023 (XynB)   Bacillus licheniformis DSM 13 = ATCC 14580 AAU39798.1
AAU22449.1
 
6MS2[A] 2.49
6MS3[A,B] 1.95
12
 I1224_01990   Bacteroides intestinalis APC919/174 substr. 8W UCB40241.1  
7ERL[A,B] 1.89
12
 α-L-arabinofuranoside (Xynb_4;BoGH43A;BACOVA_02654;Bovatus_03073) 3.2.1.55 Bacteroides ovatus ATCC 8483 ALJ47681.1 A7LXT8
5JOW[A,B] 1.60
5JOX[A,B] <carb_like_EDG>
1.80
5JOY[A,B] α-L-Araf1N-(1-1)-<non_carb>
β-L-Araf1N-(1-1)-<non_carb>
1.90
12
 α-L-arabinofuranoside (Xynb_5;BoGH43B;BACOVA_02656;Bovatus_03074) 3.2.1.55 Bacteroides ovatus ATCC 8483 ALJ47682.1 A7LXU0
5JOZ[A,B] 2.28
12
 β-xylosidase (Xyl;GbtXyl43A) (Xyl43A) 3.2.1.37 Geobacillus thermoleovorans IT-08 ABC75004.1 Q2I2N4
5Z5D[A] 1.70
5Z5F[A] β-L-Araf
2.10
5Z5H[A] α-D-Xylp
1.90
5Z5I[A] α-D-Xylp
β-D-Xylp
β-L-Araf
1.70
12
unclassified
Protein Name EC# OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
Subf
 α-L-arabinofuranosidase (CapGH43_12) 3.2.1.55 metagenome UMW87593.1  
7JVH[A,B,C,D,E,F] 2.48
12
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