>sp|Q07296|PUR7_STRPN Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Streptococcus pneumoniae serotype 4 GN=purC MSKQLIYSGKAKDIYTTEDENLIISTYKDQATAFNGVKKEQIAGKGVLNNQISSFIFEKL NVAGVATHFVEKLSDTEQLNKKVKIIPLEVVLRNYTAGSFSKRFGVDEGIALETPIVEFY YKNDDLDDPFINDEHVKFLQIAGDQQIAYLKEETRRINELLKVWFAEIGLKLIDFKLEFG FDKDGKIILADEFSPDNCRLWDADGNHMDKDVFRRGLGELTDVYEIVWEKLQELK