PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21193587-2 2011 Under stress when catecholamine levels are high, enhanced Na(+)-K(+)-ATPase activity by phosphorylated PLM attenuates intracellular Na(+) concentration ([Na(+)](i)) overload. Catecholamines 18-31 FXYD domain-containing ion transport regulator 1 Mus musculus 103-106 21193587-14 2011 We conclude that under catecholamine stress when [Na(+)](i) is high, PLM minimizes [Na(+)](i) overload by relieving its inhibition of Na(+)-K(+)-ATPase and preserves inotropy by simultaneously inhibiting Na(+)/Ca(2+) exchanger. Catecholamines 23-36 FXYD domain-containing ion transport regulator 1 Mus musculus 69-72