PCPTP1: Proteins and Enzymes

PCPTP1, also known as Receptor-type tyrosine-protein phosphatase R, has 4 isoforms, a 657 amino acid isoform that is 74 kDa, a 412 amino acid isoform t5hat is 47 k Da, a 451 amino acid isoform that is 51 kDa, and a 545 amino acid isoform that is 61 kDa, expressed in brain, placenta, small intestine, stomach, uterus and weakly in the prostate, sequesters mitogen-activated protein kinases (MAPKs) such as MAPK1, MAPK3 and MAPK14 in the cytoplasm in an inactive form. The MAPKs bind to a ...