>4O7Z_1|Chain A|Phosphoribosylaminoimidazole-succinocarboxamide synthase|Pyrococcus horikoshii (70601) MVKLMEVYEGKAKKMIPIDDDKLIMEFKDDATAFDGTKKARFKGKGWLNAQLSVIFFKLLEEHGIKTHFIGVAGGNRLIVEKLDMYPLEVVVRNVVAGSLKKRLPLPEGYELPEPIVELYYKNDELHDPMINYYHAKVLGISLDEIKKIEEIALKVNEILKDYLAKKGIILVDFKLEFGKDKNGDIVLADEISPDTCRFWDAKTKRSLDKDVFRFDKGDLIEAYKEIYERITGEKPEF