The function of Ensembl gene identifier ENSG00000138621 (PPCDC, phosphopantothenoylcysteine decarboxylase) is as follows. Catalyzes the decarboxylation of the cysteine moiety of 4- phosphopantothenoylcysteine to form 4'-phosphopantotheine and this reaction forms part of the biosynthesis of coenzyme A. .