(3S)-3-hydroxy-L-asparaginyl-[hypoxia-inducible factor alpha subunit] + succinate + CO2 => L-asparaginyl-[hypoxia-inducible factor alpha subunit] + 2-oxoglutarate + O2
(3s)-3-hydroxy-l-asparaginyl-[hypoxia-inducible factor alpha subunit] + succinate + co2 => l-asparaginyl-[hypoxia-inducible factor alpha subunit] + 2-oxoglutarate + o2