3.1.3.43 additional information dephosphorylation of substrate and substrate mutants R234Q, R234G occurs at similar rates at phosphorylation sites 1 and 2, the rate of dephosphorylation of site 3 is about 50% of wild type in substrate mutant R234Q Homo sapiens ? - ? 89 3.1.3.43 additional information different conditions for binding of isoforms to substrate, both isoforms can dephosphorylate all three phosphorylation sites of substrate in a random mechanism Rattus norvegicus ? - ? 89 3.1.3.43 p-nitrophenyl phosphate + H2O - Rattus norvegicus p-nitrophenol + phosphate - ? 64623 3.1.3.43 peptide T-1 phosphopeptide produced by tryptic digestion of phosphorylated pyruvate dehydrogenase Bos taurus ? - ? 73760 3.1.3.43 peptide T-2 - Bos taurus ? - ? 73761 3.1.3.43 peptide T-3 - Bos taurus ? - ? 73762 3.1.3.43 RRAS(P)VA - Bos taurus ? - ? 73763 3.1.3.43 RRAT(P)VA + H2O - Bos taurus RRATVA + phosphate - ? 382753 3.1.3.43 [Asp8]tetradecapeptide + H2O - Bos taurus ? - ? 73759 3.1.3.43 [mothers against decapentaplegic]-phosphate + H2O PDP1 directly dephosphorylates mothers against decapentaplegic (MAD) and inhibits signal transduction of decapentaplegic (DPP) Drosophila melanogaster [mothers against decapentaplegic] + phosphate - ? 385989