Abstract:
:We have cloned and sequenced rat testis cDNAs coding for a calcium binding polypeptide similar to calcineurin beta subunit, the Ca(2+)-binding subunit of the Ca2+/calmodulin stimulated protein phosphatase. Rat testis cDNA library was screened with a monoclonal antibody Va1 raised against bovine brain calcineurin beta subunit. The deduced amino acid sequence is similar to that of human brain calcineurin beta subunit with respect to containing four putative calcium binding sites. However, distinct differences were found: 1) The cloned cDNA had six amino acids polypeptide tail at carboxy-terminal which is absent in human brain calcineurin beta subunit. This amino acids tail makes the carboxy-terminal highly hydrophilic in contrast to the human brain beta subunit which is hydrophobic at carboxy-terminal; 2) eleven amino acids at the N terminal of the cloned cDNA were completely different from the corresponding region of the brain calcineurin beta subunit.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Sugimoto M,Matsui H,Etoh S,Shimizu T,Nishio H,Moia LJ,Tokuda M,Itano T,Takenaka I,Hatase Odoi
10.1016/s0006-291x(05)81362-2subject
Has Abstractpub_date
1991-11-14 00:00:00pages
1476-82issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(05)81362-2journal_volume
180pub_type
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