uroporphyrinogen-III synthase MGI:98917 uroporphyrinogen III synthase Uros3 Gene Uros3|hydroxymethylbilane hydrolyase (cyclizing)|URO-synthase|uroporphyrinogen-III synthase Uros http://identifiers.org/mgd/MGI:98917 hydroxymethylbilane hydrolyase (cyclizing) protein coding gene O - genetic mapping URO-synthase