Activities in Family	Arabinoxylan exo-α-1,3-L-arabinofuranosidase (EC 3.2.1.-); Xylan β-1,4-xylosidase (EC 3.2.1.37); Endo-β-1,4-glucanase (EC 3.2.1.4); α-L-arabinofuranosidase (EC 3.2.1.55); Endo-β-1,3(4)-glucanase / lichenase-laminarinase (EC 3.2.1.6); Endo-β-1,4-xylanase (EC 3.2.1.8); Cellobiohydrolase (EC 3.2.1.91);
Mechanism	Retaining e
Clan	GH-A
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Glu (experimental)
Catalytic Proton Donor	Glu (experimental)
External resources	CAZypedia;
Commercial Enzyme Provider(s)	MEGAZYME; NZYTech; PROZOMIX;
Statistics	GenBank accession (9118); Uniprot accession (116); PDB accession (35); 3D entries (9); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
α-L-arabinofuranosidase 51A (Araf51;CtAraf51A;Cthe_2548) (Araf51A)	3.2.1.55	Acetivibrio thermocellus ATCC 27405	ABN53749.1 ZP_00503782.1	A3DIH0	2C7F[A,B,C,D,E,F] α-L-Araf-(1-5)-α-L-Araf α-L-Araf-(1-5)-α-L-Araf-(1-1)-<non_carb> α-L-Araf-(1-5)-α-L-Araf-(1-5)-α-L-Araf 2.7 2C8N[A,B,C,D,E,F] α-L-Araf-(1-1)-<non_carb> 2.9 5O7Z[A,B,C,D,E,F] 2.64 5O80[A,B,C,D,E,F] α-L-Araf 2.92 5O81[A,B,C,D,E,F] 2.50 5O82[A,B,C,D,E,F] α-L-Araf 2.39	1
α-L-arabinofuranosidase (AbfB)	3.2.1.55	Bifidobacterium longum B667	AAO84266.1	Q841V6 Q8G554	2Y2W[A,B,C,D,E,F] 2.50	1
α-L-arabinofuranosidase (AbfA;HUS_CDS35)	3.2.1.55	Geobacillus stearothermophilus T-6 NCIMB 40222	AAD45520.2 AAB33652.1 ACE73682.1	B3EYN4 Q9XBQ3	1PZ2[A,B] β-L-Araf-(1-4)-GLU 2.00 1PZ3[A,B] 1.75 1QW8[A,B] α-L-Araf-(1-3)-β-D-Xylp 1.80 1QW9[A,B] α-L-Araf-(1-1)-<non_carb> 1.20 6SXU[AAA,BBB] 6SXV[A,B] 1.40	1
α-L-arabinofuranosidase (AbjA; AbfD3; G51; TxAbf)	3.2.1.55	Thermobacillus xylanilyticus D3	CAA76421.2	O69262	2VRK[A,B,C] 2.2 2VRQ[A,B,C] α-L-Araf-(1-3)-β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)[α-L-Araf-(1-3)]-β-D-Xylp-(1-4)-β-D-Xylp 2.00 6ZT6[A,B,C] 2.30 6ZT7[A,B,C] α-L-Araf 1.85 6ZT8[A,B,C] 2.80 6ZT9[A,B,C] α-L-Araf 2.00 6ZTA[A,B,C] 3.10	1
α-L-arabinofuranosidase (AraA;TmAFase;TmAbf;Tm-AFase;TM0281)	3.2.1.55	Thermotoga maritima MSB8	AAD35369.1 AGL49205.1 AHD17955.1 AKE28083.1 BAE02565.1 NP_228093.1	Q4R1J9 Q9WYB7 R4NNA3	3UG3[A,B,C,D,E,F] 1.80 3UG4[A,B,C,D,E,F] α-L-Araf 2.15 3UG5[A,B,C,D,E,F] β-D-Xylp 2.30 4ATW[A,B,C,D,E,F] 3.00	1
α-L-arabinofuranosidase (AraF; TpAraF; Tpet_0631)	3.2.1.55	Thermotoga petrophila RKU-1	ABQ46651.1	A5IKC8	3S2C[A,B,C,D,E,F,G,H,I,J, 3.00	1
α-L-arabinofuranosidase (XacAbf51; XaARF; XAC1286)	3.2.1.55	Xanthomonas citri pv. citri str. 306	AAM36157.1 NP_641621.1	Q8PMY9	6D25[A,B,C,D,E,F] 1.91	1
Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
α-L-arabinofuranosidase (Abf III; AXH-m; MgABF51; ABF-2,3)	3.2.1.55	Meripilus giganteus CBS 521.91	CAL81200.1		6ZPS[AAA] 6ZPV[AAA] 6ZPW[AAA] 6ZPX[AAA] 6ZPY[AAA] 6ZPZ[AAA] 6ZQ0[AAA] 6ZQ1[AAA]	2
arabinofuranosidase 1, partial	3.2.1.-	Trametes hirsuta YS4018	WEY08157.1		8I0A[A] 2.01	1
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