lactonase

Type: Term Pronunciation: lak′tō-nās Definitions: 1. An enzyme that converts a lactone to the corresponding organic acid. Synonyms: gluconolactonase
Found on http://www.medilexicon.com/medicaldictionary.php?t=47591

lactonase

Synonym for gluconolactonase ... <enzyme> Aldonolactonase (formerly EC 3.1.1.18) was combined with this ... Registry number: EC 3.1.1.17 ... Synonym: aldonolactonase, gulonolactone hydrolase ... (26 Jun 1999) ...
Found on http://www.encyclo.co.uk/local/20973

Lactonase

Zn1 is tetracoordinated by His104, His106, His169, and the bridging hydroxide ion. Zn2 has five ligands, including Asp191, His235, His109, Asp108, and the bridging hydroxide ion. The metal ions assist in polarizing the lactone bond, increasing the electrophilicity of the lactone ring’s carbonyl carbon. Isotopic labeling studies indicated that th...
Found on http://en.wikipedia.org/wiki/Lactonase
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