Polygalacturonase: Difference between revisions

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Polygalacturonases (PGs) catalyze the enzymatic depolymerization of pectins – polysaccharides that comprise the plant cell wall. Polymer disassembly of substrates by ''exo-'' and ''endo-'' PGs is carried out via a hydrolytic mechanism. Degradation of pectins in plant cell walls contributes to ripening of fruits, such as tomatoes and melons '''(Polygalacturonases: many genes in search of a function)'''.
Polygalacturonases (PGs) catalyze the enzymatic depolymerization of pectins – polysaccharides that comprise the plant cell wall. Polymer disassembly of substrates by ''exo-'' and ''endo-'' PGs is carried out via a hydrolytic mechanism. Degradation of pectins in plant cell walls contributes to ripening of fruits, such as tomatoes and melons '''(Polygalacturonases: many genes in search of a function)'''.
<StructureSection load='1stp' size='340' side='right' caption='Caption for this structure' scene=''>
<StructureSection load='1stp' size='340' side='right' caption='Caption for this structure' scene=''>
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You may include any references to papers as in: the use of JSmol in Proteopedia <ref>DOI 10.1002/ijch.201300024</ref> or to the article describing Jmol <ref>PMID:21638687</ref> to the rescue.
== Function ==
== Function ==
PGs cleave α-(1-4) – glycosidic bonds between consecutive galacturonic acid residues.
PGs cleave α-(1-4) – glycosidic bonds between consecutive galacturonic acid residues.
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