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;
Statistics	GenBank accession (1583); Uniprot accession (17); PDB accession (11); 3D entries (5); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
arabinan exo-α-1,5-L-arabinofuranosidase (AtAbf43C;Cthe_2138) (CBM42B)	3.2.1.-	Acetivibrio thermocellus ATCC 27405	ABN53342.1		9NXG[A,B] 1.32 9NXH[A] α-L-Araf 1.75 9NXJ[A,B] α-L-Araf 2.32	26
β-xylosidase (Abf2;CAC1529)		Clostridium acetobutylicum ATCC 824	AAK79496.1 NP_348156.1		3CPN[A] 1.55 3K1U[A] 1.55	26
α-L-arabinofuranosidase II (Araf43;LbAraf43;N624_1993)	3.2.1.-	Levilactobacillus brevis DSM 1269 / TMW 1.313	APU52333.1 KIO95879.1	A0A5B7Y0Z3	5M8B[A,B] 1.90	26
exo-α-1,5-L-arabinofuranosidase 43A (SaAraf43A; SAV1043) (Araf43A)	3.2.1.-	Streptomyces avermitilis MA-4680 = NBRC 14893	BAC68753.1 NP_822218.1	Q82P90	3AKF[A] 2.20 3AKG[A] α-L-Araf α-L-Araf-(1-5)-α-L-Araf 1.80 3AKH[A] α-L-Araf α-L-Araf-(1-5)-α-L-Araf 1.70 3AKI[A] α-L-Araf1N-(1-1)-<non_carb> 2.00	26
α-L-arabinofuranosidase (Araf43;WAraf43)	3.2.1.-	Weissella sp. 142	APU52332.1	A0A0D1M7L2 A0A1L7HA00	5M8E[A,B] 2.00	26
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