ID   1.13.11.85
DE   exo-cleaving rubber dioxygenase.
AN   heme-dependent rubber oxygenase.
CA   [cis-1,4-isoprene](n) + O2 = (4Z,8Z)-4,8-dimethyl-12-oxotrideca-4,8-
CA   dienal + cis-1,4-isoprene(n-3).
CC   -!- The enzyme, studied mainly from the bacterium Xanthomonas sp. 35Y,
CC       catalyzes the cleavage of the double bonds in natural and synthetic
CC       rubber (cis-1,4-polyisoprene polymers), generating ends that contain
CC       ketone and aldehyde groups.
CC   -!- The enzyme from Xanthomonas sp. 35Y contains two c-type cytochromes.
CC   -!- It attacks the substrate from its end, producing a single product of
CC       15 carbons.
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