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Information on EC -

for references in articles please use BRENDA:EC1.14.11.2
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EC Tree
IUBMB Comments
Requires Fe2+ and ascorbate.The enzyme, which is located within the lumen of the endoplasmic reticulum, catalyses the 4-hydroxylation of prolines in -X-Pro-Gly- sequences. The 4-hydroxyproline residues are essential for the formation of the collagen triple helix. The enzyme forms a complex with protein disulfide isomerase and acts not only on procollagen but also on more than 15 other proteins that have collagen-like domains.
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The enzyme appears in viruses and cellular organisms
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