Activities in Sub Family	Alginate lyase (EC 4.2.2.-); Oligomannuronate lyase / exo-acting mannuronan lyase (EC 4.2.2.-); Poly-(MG)-lyase / MG-specific alginate lyase (EC 4.2.2.-); Oligoalginate lyase / exo-alginate lyase (EC 4.2.2.26); Poly(β-mannuronate) lyase / M-specific alginate lyase (EC 4.2.2.3);
Mechanism	b-elimination
3D Structure Status	( α / α ) 6 toroid + anti-parallel β-sheet
Note	The alginate lyase function has been shown for several members of the family
External resources	CAZypedia;
Statistics	GenBank accession (1); Uniprot accession (14); PDB accession (7); 3D entries (3); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
M-specific alginate lyase (BoPL17; OU990_24725)	4.2.2.3	Bacteroides ovatus CP926	WII03611.1		8BDD[A,B] 1.61	2
oligomannuronate lyase / oligoalginate lyase (Sde_3284) (Alg17C)	4.2.2.-	Saccharophagus degradans 2-40	ABD82539.1 ACK10580.1	Q21FJ0	4NEI[A,B] 1.85 4OJZ[A,B] β-D-4-deoxy-ManpA-(1-4)-β-D-ManpA-(1-4)-α-L-GulpA 1.90 4OK2[A,B] 2.45 4OK4[A,B] 1.70	2
polyM-specific alginate lyase (zobellia_2624; Alya3)	4.2.2.3	Zobellia galactanivorans DsijT	CAZ96774.1	G0LCA3	7BJT[A,B] 1.42 7BM6[A,B] α-L-4-deoxy-AllpA-(1-4)-α-D-ManpA 2.16	2
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