Function
Plays a role in the physiological regulation of the intracellular CoA concentration (By similarity). The phosphatase activity shows preference for normal or oxidatively damaged intermediates of 4'-phosphopantetheine, which provides strong indirect evidence that the phosphatase activity pre-empts damage in the CoA pathway (By similarity). Hydrolyzing excess 4'-phosphopantetheine could constitute a directed overflow mechanism to prevent its oxidation to the S-sulfonate, sulfonate, or other forms (By similarity). Hydrolyzing 4'-phosphopantetheine sulfonate or S-sulfonate would forestall their conversion to inactive forms of CoA and acyl carrier protein (By similarity).
Sequence
MAERGASGGGSGGDSLDKSITLPPDEIFRNLENAKRFAIDIGGSLTKLAYYSTVQHKVAKVRSFDHPGKDVEQDHEPPYEISVQEEITARLHFIKFENTYMEACLDFIRDHLVNTETKVIQATGGGAYKFKDLIEEKLRLKVDKEDVMTCLIKGCNFVLKNIPHEAFMYQKDSDPEFRFQTNHPNIFPYLLVNIGSGVSIVKVETEDRFEWIGGSSIGGGTFWGLGALLTKTKKFDELLQLASRGRHANVDMLVQDIYGGAHQTLGLSGNLIASSFGKSATADREFSKEDMAKSLLHMISNDIGQLACLYAKLHGLDRVYFGGFFIRGHPVTMRTITYSINFFSKGEVQALFLRHEGYLGAIGAFLKGAEQDNPNQYSWGENYAASSGLMSTSPELCPTQRARSGTFDLLEMDRLERPLVNLPLLLDPSSYVPDTVDLTDDALARQYWLTCFEEALDGVVKRAVASQPESMDAVERAEKFRQKYWGKLQTLRHQPFAYGTLTVRSLLDTREHCLNEFNFPDPYSKVKQKENGLALKCFQSVTRSLDSLGWEERQLALVKGLLAGNVFDWGAKAVSDVLESDPQFGFEEAKRKLQERPWLVDSYTKWLQRLKGPPHKCALIFADNSGIDIILGVFPFVRELLFRGTEVILACNSGPALNDVTYSESLIVAERIAAMDPIICTALREDRLLLVQTGSSSPCLDLSLCTSRTTTCMVLPFAMWVLWTKLKSLVEKCLSPLSILLACSVLSAKSRLDKGLAVLVRERGADLVVIEGMGRAIHTNYHALLRCESLKLAVVKNAWLAERLGGQLFSVIFKYEVPTK