>sp|A4X9Q0|HIS4_SALTO 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Salinispora tropica GN=hisA MSLTLLPAVDVADGQAVRLVQGAAGSETVYGDPFDAALAWQRDGAEWIHLVDLDAAFGRG SNAELLADVVRRLDVRVELSGGIRDDASLQAALATGAARVNIGTAALEDPQWCDRVCGEY GDRVAIGLDVRGQTLSARGWTRDGGDLWEVLARLDRAGASRYVVTDITKDGTMRGPNLGL LREVCARTNAPVIASGGISTLADLRALAALEPVGVEGVIAGKALYAGAFTVAEALRTLAD A