Polysaccharide Lyase Family 24

Activities in Familyulvan lyase (EC 4.2.2.-).
Mechanism b-elimination
3D Structure Statusβ-propeller
NoteFamily created after Kopel et al. (2016) J. Biol. Chem., 291, 5871-5878 [PMID=26763234]. Ulvan lyases cleave the bond between 3-sulfated rhamnose (Rha3S) linked to either D-glucuronic acid (GlcA) or L-iduronic acid (IduA) in the marine polysaccharide ulvan. Members of this family are known to specifically cleave the b(1,4) glycosidic bond between GlcUA and R3S residues by b-elimination.
Statistics GenBank accession (54); Uniprot accession (5); PDB accession (6); 3D entries (2); cryst (0)
Bacteria
Protein Name EC#OrganismGenBankUniprot
PDB/3D Carbohydrate Ligands Resolution (Å)
 ulvan lyase (LOR_107) 4.2.2.- Alteromonas sp. LOR AMA19991.1 A0A109PTH9
6BYP[A,B] 1.90
6BYT[A,B] α-L-4-deoxy-IdopA-(1-4)-α-L-Rhap3SO3-(1-4)-β-D-GlcpA-(1-4)-α-L-Rhap3SO3
β-D-4-deoxy-GlcpA-(1-4)-α-L-Rhap3SO3-(1-4)-β-D-GlcpA-(1-4)-α-L-Rhap3SO3
2.20
6BYX[A,B] α-L-4-deoxy-IdopA-(1-4)-α-L-Rhap3SO3-(1-4)-β-D-GlcpA-(1-4)-α-L-Rhap3SO3
2.21
6JQ9[A,B] 1.81
 ulvan lyase (Uly1 ; XM47_11230) 4.2.2.- Catenovulum maritimum Q1 KMT65093.1
WP_053084548.1
A0A0J8GWN9
7CZH[A,B] 2.10
7DRQ[A,B] 1.79
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