label: trans-4-hydroxy-L-prolyl-[hypoxia-inducible factor alpha subunit] + succinate + CO2 => L-prolyl-[hypoxia-inducible factor alpha subunit] + 2-oxoglutarate + O2
label_lc: trans-4-hydroxy-l-prolyl-[hypoxia-inducible factor alpha subunit] + succinate + co2 => l-prolyl-[hypoxia-inducible factor alpha subunit] + 2-oxoglutarate + o2