several kinetic properties of uroporphyrinogen decarboxylase ( uroporphyrinogen-iii carboxy-lyase , ec 4.1.1.37 ) from human hemoglobin-free hemolysates were studied , using substrates of both isomeric series i and iii ( uroporphyrinogen , hepta and pentacarboxyl porphyrinogens ) .
C0042092
uroporphyrinogen
C0032711
porphyrinogens