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4mb0 is a 4 chain structure with sequence from Thermococcus onnurineus NA1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
PPS_THEON Catalyzes the condensation of (R)-4-phosphopantoate and beta-alanine to 4'-phosphopantothenate in the CoA biosynthesis pathway.[HAMAP-Rule:MF_02224]