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rdf:type |
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lifeskim:mentions |
umls-concept:C0001473,
umls-concept:C0002345,
umls-concept:C0007603,
umls-concept:C0017337,
umls-concept:C0034693,
umls-concept:C0034721,
umls-concept:C0035687,
umls-concept:C0040649,
umls-concept:C0205314,
umls-concept:C0521324,
umls-concept:C0597298,
umls-concept:C0678594,
umls-concept:C0679622,
umls-concept:C1274040,
umls-concept:C1514468,
umls-concept:C1514562,
umls-concept:C1880022,
umls-concept:C1880389,
umls-concept:C1883204,
umls-concept:C1883221
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pubmed:issue |
27
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pubmed:dateCreated |
1992-10-22
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pubmed:databankReference |
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pubmed:abstractText |
We have isolated the rat gene encoding isoform 3 of the plasma membrane Ca(2+)-ATPase (PMCA3) and have determined its exon/intron organization. The PMCA3 gene contains 24 exons and spans approximately 70 kilobases. In addition, we have analyzed the splicing and polyadenylation patterns leading to the production of an alternative 4.5-kilobase (PMCA3) skeletal muscle mRNA that differs from the previously characterized 7.5-kilobase brain mRNA (Greeb, J., and Shull, G. E. (1989) J. Biol. Chem. 264, 18569-18576). cDNA cloning, Northern blot hybridization, and polymerase chain reaction analyses of the 4.5-kilobase mRNA demonstrate (i) the inclusion of a novel 68-nucleotide exon (exon 22) that is specific for skeletal muscle and significantly alters the calmodulin-binding domain and (ii) the utilization of an alternative polyadenylation site following exon 23 which eliminates the last coding exon (exon 24) and 3'-untranslated sequence of the 7.5-kilobase mRNA. We have also identified a 42-nucleotide exon (exon 8) that is included in the skeletal muscle PMCA3 mRNAs, but may be either included or excluded in the brain mRNAs. Exon 8 is inserted immediately before the sequence encoding a putative phospholipid binding domain and thus may alter regulatory interactions of the enzyme with acidic phospholipids.
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pubmed:grant |
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0021-9258
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pubmed:author |
|
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pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
267
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
19683-90
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:1388171-Amino Acid Sequence,
pubmed-meshheading:1388171-Animals,
pubmed-meshheading:1388171-Base Sequence,
pubmed-meshheading:1388171-Binding Sites,
pubmed-meshheading:1388171-Brain,
pubmed-meshheading:1388171-Calcium-Transporting ATPases,
pubmed-meshheading:1388171-Calmodulin-Binding Proteins,
pubmed-meshheading:1388171-Cell Membrane,
pubmed-meshheading:1388171-Cloning, Molecular,
pubmed-meshheading:1388171-Gene Expression,
pubmed-meshheading:1388171-Genes,
pubmed-meshheading:1388171-Molecular Sequence Data,
pubmed-meshheading:1388171-Muscles,
pubmed-meshheading:1388171-RNA, Messenger,
pubmed-meshheading:1388171-RNA Splicing,
pubmed-meshheading:1388171-Rats,
pubmed-meshheading:1388171-Restriction Mapping,
pubmed-meshheading:1388171-Sequence Alignment
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pubmed:year |
1992
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pubmed:articleTitle |
Structure of the rat plasma membrane Ca(2+)-ATPase isoform 3 gene and characterization of alternative splicing and transcription products. Skeletal muscle-specific splicing results in a plasma membrane Ca(2+)-ATPase with a novel calmodulin-binding domain.
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pubmed:affiliation |
Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, Ohio 45267-0524.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.
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