>sp|B4S8K9|PUR7_PROA2 Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Prosthecochloris aestuarii GN=purC MNKVSLLHEGKAKKVFLTDNSDLVIQEFKDDATAFNAKKKGSIQNKGVVNNAISCTLFTF LGENGIPTHYVEQLSDRDMLCKHLDIIKVEVVVRNVAAGSLVRRYGFKEGFVLETPIIEL YLKDDDLDDPLMNESHAVALGLASYEELDRLKELAAAINTLLRSFFADRKLNLVDFKLEF GRHNGTILLGDEISPDTCRFWDLDSGEKMDKDRFRFDMGGVEDAYSEVQRRVLEL