uroporphyrinogen III + 4 H(+) <=> coproporphyrinogen III + 4 CO2
uroporphyrinogen iii + 4 h(+) <=> coproporphyrinogen iii + 4 co2
uroporphyrinogen III + 4 H(+) <=> coproporphyrinogen III + 4 CO2
uroporphyrinogen iii + 4 h(+) <=> coproporphyrinogen iii + 4 co2