Alginate lyases are enzymes that degrade the linear polysaccharide alignate. They cleave the glycosidic linkage of alignate through a beta-elimination reaction. This region forms an all beta fold, which is different to the all alpha fold of IPR008397.
Osawa T, Matsubara Y, Muramatsu T, Kimura M, Kakuta Y.
Crystal structure of the alginate (poly alpha-l-guluronate) lyase from Corynebacterium sp. at 1.2 A resolution.
J. Mol. Biol. 345 2005 1111-8
[PubMed: 15644208] http://dx.doi.org/10.1016/j.jmb.2004.10.081
Yamasaki M, Moriwaki S, Miyake O, Hashimoto W, Murata K, Mikami B.
Structure and function of a hypothetical Pseudomonas aeruginosa protein PA1167 classified into family PL-7: a novel alginate lyase with a beta-sandwich fold.
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[PubMed: 15136569] http://dx.doi.org/10.1074/jbc.M402466200