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Information on EC 1.14.99.53 - lytic chitin monooxygenase

for references in articles please use BRENDA:EC1.14.99.53
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IUBMB Comments
The enzyme cleaves chitin in an oxidative manner, releasing fragments of chitin with an N-acetylamino-D-glucono-1,5-lactone at the reducing end. The initially formed lactone at the reducing end of the shortened chitin chain quickly hydrolyses spontaneously to the aldonic acid. In vitro ascorbate can serve as reducing agent. The enzyme contains copper at the active site.
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The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
[(1->4)-N-acetyl-beta-D-glucosaminyl](m+n)
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=
[(1->4)-N-acetyl-beta-D-glucosaminyl](m-1)-(1->4)-2-(acetylamino)-2-deoxy-D-glucono-1,5-lactone
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Synonyms
lmo2467, lpmo10, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
[(1->4)-N-acetyl-beta-D-glucosaminyl](m+n) + reduced acceptor + O2 = [(1->4)-N-acetyl-beta-D-glucosaminyl](m-1)-(1->4)-2-(acetylamino)-2-deoxy-D-glucono-1,5-lactone + [(1->4)-N-acetyl-beta-D-glucosaminyl]n + acceptor + H2O
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PATHWAY SOURCE
PATHWAYS
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