[ribosomal protein S23]-L-proline + 2-oxoglutarate + O2 => [ribosomal protein S23]-trans-3-hydroxy-L-proline + succinate + CO2
[ribosomal protein s23]-l-proline + 2-oxoglutarate + o2 => [ribosomal protein s23]-trans-3-hydroxy-l-proline + succinate + co2