cofactor binding | cation binding | L-ascorbic acid binding | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen | carboxylic acid binding | procollagen-proline 4-dioxygenase activity | vitamin binding | 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 | coenzyme binding | peptidyl-proline dioxygenase activity | monosaccharide binding | catalytic activity | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | anion binding | peptidyl-proline 4-dioxygenase activity | identical protein binding | ion binding | carbohydrate binding | protein binding | dioxygenase activity | transition metal ion binding | organic acid binding | metal ion binding | oxidoreductase activity | small molecule binding
extracellular structure organization | peptidyl-amino acid modification | cellular process | peptidyl-proline modification | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen | cellular amino acid metabolic process | procollagen-proline 4-dioxygenase activity | cellular component organization | 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 | supramolecular fiber organization | extracellular matrix organization | peptidyl-proline hydroxylation | peptidyl-proline dioxygenase activity | protein modification process | macromolecule modification | oxidoreductase activity, acting on single donors with incorporation of molecular oxygen | nitrogen compound metabolic process | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | 4-hydroxyproline metabolic process | peptidyl-proline hydroxylation to 4-hydroxy-L-proline | peptidyl-proline 4-dioxygenase activity | small molecule metabolic process | protein hydroxylation | carboxylic acid metabolic process | protein metabolic process | metabolic process | oxidation-reduction process | organic substance metabolic process | dioxygenase activity | collagen fibril organization | organic acid metabolic process | cellular protein metabolic process | cellular protein modification process | cellular modified amino acid metabolic process | cellular metabolic process | oxidoreductase activity | macromolecule metabolic process
intracellular membrane-bounded organelle | catalytic complex | cell | oxidoreductase complex | cytoplasm | intracellular organelle | endoplasmic reticulum | protein-containing complex | endomembrane system | procollagen-proline 4-dioxygenase complex | endoplasmic reticulum lumen | mitochondrion | membrane-bounded organelle | organelle | membrane-enclosed lumen | intracellular | membrane