Abstract:
:Incubation of cardiac sarcoplasmic reticulum (SR) in the presence of S-adenosyl-L-methionine, a methyl donor for the enzymatic N-methylation of phosphatidylethanolamine, increased Ca2+-stimulated ATPase activity. The increase in Ca2+-ATPase activity was not due to changes in the affinity for Ca2+ and was prevented by methyl acetimidate, an inhibitor of phospholipid N-methylation. The results suggest a possible regulatory role of phospholipid N-methylation in SR Ca2+-pump mechanism.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Ganguly PK,Panagia V,Okumura K,Dhalla NSdoi
10.1016/0006-291x(85)90441-3subject
Has Abstractpub_date
1985-07-16 00:00:00pages
472-8issue
1eissn
0006-291Xissn
1090-2104pii
0006-291X(85)90441-3journal_volume
130pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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