Abstract:
:Phospholipid composition of sheep blood platelets and its various plasma membrane fractions have been analyzed. Based on their flotation rates in discontinuous sucrose density gradient centrifugation, three membrane fractions were isolated. 5'-Nucelotidase and alkaline phosphatase were distributed nearly equally in all the three membrane fractions. However these membrane fractions showed differences in the distribution of phosphatidyl ethanolamine, phosphatidyl choline and phosphoinositides. Phosphatidyl ethanolamine was predominant in fraction I (11.05 micrograms PLP/mg protein) while phosphatidyl choline was predominant in fractions II and III (110.10 and 68.30 micrograms PLP/mg protein respectively). Phosphatidyl inositol (Ptd-InsP) was equally distributed in all three membrane fractions. However, both Ptd-InsP and phosphatidyl inositol 4,5-bisphosphate were about 4-fold higher in fraction II (73.55 and 89.89 micrograms PLP/mg protein respectively).
journal_name
Indian J Biochem Biophysjournal_title
Indian journal of biochemistry & biophysicsauthors
Kumar V,Srivastava N,Grover SK,Jaiswal AS,Bansal SK,Misra UKkeywords:
subject
Has Abstractpub_date
1991-04-01 00:00:00pages
133-5issue
2eissn
0301-1208issn
0975-0959journal_volume
28pub_type
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journal_title:Indian journal of biochemistry & biophysics
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