| 词条 | Poly(beta-D-mannuronate) lyase |
| 释义 |
| Name = poly(beta-D-mannuronate) lyase | EC_number = 4.2.2.3 | CAS_number = 9024-15-1 | IUBMB_EC_number = 4/2/2/3 | GO_code = 0045135 | image = | width = | caption = }}{{Infobox protein family | Symbol = Alginate_lyase2 | Name = Alginate_lyase2 | image = PDB 1vav EBI.jpg | width = | caption = crystal structure of alginate lyase pa1167 from pseudomonas aeruginosa at 2.0 a resolution | Pfam = PF08787 | Pfam_clan = | InterPro = IPR014895 | SMART = | PROSITE = | MEROPS = | SCOP = 1uai | TCDB = | OPM family = | OPM protein = | CAZy = | CDD = }}{{Infobox protein family | Symbol = Alginate_lyase | Name = Alginate_lyase | Pfam = PF05426 | Pfam_clan = | InterPro = | SMART = | PROSITE = | MEROPS = | SCOP = 1uai | TCDB = | OPM family = | OPM protein = | CAZy = | CDD = }} In enzymology, a poly(beta-D-mannuronate) lyase ({{EC number|4.2.2.3}}) is an enzyme that catalyzes the chemical reaction Eliminative cleavage of polysaccharides containing beta-D-mannuronate residues to give oligosaccharides with 4-deoxy-alpha-L-erythro-hex-4-enopyranuronosyl groups at their ends This enzyme belongs to the family of lyases, specifically those carbon-oxygen lyases acting on polysaccharides. The systematic name of this enzyme class is poly(beta-D-1,4-mannuronide) lyase. Other names in common use include alginate lyase I, alginate lyase, alginase I, alginase II, and alginase. This enzyme participates in fructose and mannose metabolism. Structural studiesAs of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes {{PDB link|1HV6}}, {{PDB link|1J1T}}, and {{PDB link|2CWS}}. References
2 : EC 4.2.2|Enzymes of known structure |
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