>sp|A8LX58|HIS4_SALAI 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Salinispora arenicola GN=hisA MSLTLLPAVDVADGQAVRLVQGAAGSETAYGDPLDAALAWQRDGAEWIHLVDLDAAFGRG SNADLLADVVRQLDVRVELSGGVRDDESLRAALATGATRVNIGTAALEDPLWCDRVCGEY GDRVAIGLDVRGRTLSARGWTRDGGDLWEVLERLDRAGASRYVVTDITKDGTMRGPNLEL LREVCARTNAPVIASGGVSTLADLRALAALEPAGVEGVIAGKALYAGAFTVAEALRTLAD A