>3C90_1|Chains A, B, C, D[auth X]|Phosphoribosyl-ATP pyrophosphatase|Mycobacterium tuberculosis (83332) QQSLAVKTFEDLFAELGDRARTRPADSTTVAALDGGVHALGKKLLEEAGEVWLAAEHESNDALAEEISQLLYWTQVLMISRGLSLDDVYRKL