Immunogen: KLH-conjugated, synthetic peptide corresponding to amino acids 87-101 (DERSAALDGAKRDGT-C) of human MAP kinase phosphatase 1 (MKP1), with a C-terminal cysteine added for conjugation purposes. The immunizing sequence is identical in rat and mouse. Percent identity by BLAST analysis: Human, Gorilla, Marmoset, Rat, Dog (100%); Monkey, Mouse, Panda, Bovine, Rabbit (93%); Hamster, Pig (87%); Elephant (80%).