L-prolyl-[collagen] + 2-oxoglutarate + O2 = trans-3-hydroxy-L-prolyl-[collagen] + succinate + CO2
l-prolyl-[collagen] + 2-oxoglutarate + o2 = trans-3-hydroxy-l-prolyl-[collagen] + succinate + co2
"procollagen-proline,2-oxoglutarate 3-dioxygenase"
"procollagen-proline,2-oxoglutarate 3-dioxygenase"