>tr|A0A2U3RX43|A0A2U3RX43_STREE Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Streptococcus pneumoniae GN=purC MSKQLIYSGKAKDIYTTEDENLIISTYKDQATAFNGVKKEQIAGKGVLNNQISSFIFEKL NAAGVATHFVEKLSDTEQLNKKVKIIPLEVVLRNYTAGSFSKRFGVDEGIALETPIVEFY YKNDDLDDPFINDEHVKFLQIADDQQIAYLKEEARRINELLKVWFAEIGLKLIDFKLEFG FDKDGKIILADEFSPDNCRLWDADGNHMDKDVFRRGLGELTDVYEIVWEKLQELK