PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15579467-4 2005 In this study, we demonstrate that during oxidative stress, ERK-directed phosphatases of both the serine/threonine- and tyrosine-directed classes are selectively and reversibly inhibited via a mechanism that is dependent upon the oxidation of cysteine thiols. Tyrosine 120-128 mitogen-activated protein kinase 1 Mus musculus 60-63