Activities in Family	Lacto-N-biosidase (Lewis antigen a/b specificity) (EC 3.2.1.-); Lacto-N-biosidase (EC 3.2.1.140);
Mechanism	Retaining e
3D Structure Status	parallel β-helix
Catalytic Nucleophile/Base	Asp
Catalytic Proton Donor	Asp
Note	Created after Yamada et al. (2017) Cell Chem Biol 24:515-524 (PMID=28392148)
External resources	CAZypedia;
Statistics	GenBank accession (1161); Uniprot accession (7); PDB accession (7); 3D entries (4); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
lacto-N-biosidase (LnbX; BlLnbXc; BLLJ_1505)	3.2.1.140	Bifidobacterium longum subsp. longum JCM 1217	BAJ67172.1	A0A024QYS6 P0DW93	5GQC[A,B,C,D,E,F,G,H] 2.36 5GQF[A,B] β-D-Galp-(1-3)-β-D-GlcpNAc 1.82 5GQG[A,B] β-D-Galp-(1-3)-β-D-GalpNAc 2.70
lacto-N-biosidase (BsaXc; BSD967_02910)	3.2.1.140	Bifidobacterium saguini DSMZ 23967	QTB91395.1	A0A087D8U9	7V6I[A] β-D-Galp-(1-3)-β-D-GlcpNAc 2.51
lacto-N-biosidase (TnXc; CLONEX_02542)	3.2.1.140	Clostridium nexile DSM 1787	EEA81577.1		7V6M[A] β-D-Galp-(1-3)-β-D-GlcpNAc 1.92
lacto-N-biosidase (ErLnb136; HMPREF0373_02965)	3.2.1.140	Eubacterium ramulus ATCC 29099	ERK42296.1	U2PDT9	6KQS[A] β-D-Galp-(1-3)-β-D-GlcpNAc 1.40 6KQT[A] β-D-Galp-(1-3)-β-D-GlcpNAc 2.00
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