isomerase.

1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase

similar to phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase (NCBI)

1-(5-phosphoribosyl)-5-[(5- phosphoribosylamino)me thylideneamino)imidazole-4-carboxamide isomerase (NCBI)

1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase

N-(5'-phospho-L-ribosyl-formimino)-5-amino-1- (5'-phosphoribosyl)-4-imidazolecarboxamide isomerase (RefSeq)

tetrahydromethanopterin-linked formaldehyde oxidation protein (RefSeq)