PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11821394-5 2002 The serine/threonine protein phosphatase inhibitor, microcystin, inhibited the desensitization of NPR-A in membrane guanylyl cyclase assays in the absence of magnesium. microcystin 52-63 natriuretic peptide receptor 1 Mus musculus 98-103 11821394-10 2002 The desensitization required changes in the phosphorylation state of NPR-A because the guanylyl cyclase activity of a receptor variant containing glutamate substitutions at all six phosphorylation sites was unaffected by MgCl(2), EDTA, or microcystin. microcystin 239-250 natriuretic peptide receptor 1 Mus musculus 69-74