1.3.1.76	cobaltochelatase, CysG, CysG enzyme, cysG gene product, CysG2, Met8p, P2D, precorrin-2 dehydrogenase, S-adenosyl-L-methionine(SAM)-dependent bismethyltransferase, dehydrogenase and ferrochelatase, SirC, siroheme synthase	-	-, 485092, 644283, 649647, 649745, 651626, 651633, 653297, 685013, 756712, 765450	
1.3.1.76	siroheme synthetase	multifunctional protein catalyzing all 3 final steps leading to siroheme from uroporphyrinogen III	651633	
1.3.1.76	EC 2.1.1.107	multifunctional protein, first of three steps leading to formation of siroheme from uroporphyrinogen III	653297