Mechanism	Inverting e
3D Structure Status	( α / α ) 6 barrel
Catalytic Nucleophile/Base	Asn
Catalytic Proton Donor	Glu
Note	Created after Ndeh et al., Nature (2017) 544(7648):65-70 (PMID=28329766). Mechanism described by McIver et al. JBC (2025 Jun 20:110407) (PMID=40544995)
External resources	CAZypedia;
Statistics	GenBank accession (377); Uniprot accession (1); PDB accession (2); 3D entries (2); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
α-2-O-Me-L-fucosidase 139A (BtFuc139A; BT0984; BT_0984) (Fuc139A)	3.2.1.-	Bacteroides thetaiotaomicron VPI-5482	AAO76091.1	Q8A933	9HYQ[A,B] 2.70
SAMN05444156_0716		Verrucomicrobium sp. GAS474	SDT91673.1		9HMB[A] 2.05
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