GO biological process

peptidyl-proline hydroxylation to 4-hydroxy-L-proline, oxidation-reduction process

GO cellular component

endosome, endoplasmic reticulum membrane, trans-Golgi network, Golgi apparatus, integral component of membrane, mitochondrion

GO molecular function

oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, 2-oxoglutarate as one donor, and incorporation of one atom each of oxygen into both donors, iron ion binding, L-ascorbic acid binding, procollagen-proline 4-dioxygenase activity