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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
8
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pubmed:dateCreated |
1995-1-25
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pubmed:databankReference | |
pubmed:abstractText |
A cDNA was isolated from a zebra finch telencephalon cDNA library that encodes the myelin proteolipid protein. The clone was 2874 nucleotides long containing an open reading frame of 831 nucleotides that encoded a 277 amino acid myelin proteolipid protein. The 5'- and 3' untranslated regions were 112 and 1931 nucleotides, respectively. In Northern blots the clone hybridized to 3 bands of 3.5, 2.4 and 1.5 Kb in mouse brain RNA, but to only a single band of 3.0 kb in zebra finch brain RNA, suggesting the lack of alternative polyadenylation sites within the 3' untranslated region of the zebra finch PLP mRNAs. There was a small degree of homology between the zebra finch and chicken PLP 5' untranslated regions, but relatively little homology of the 5' untranslated regions of the zebra finch PLP cDNA clone with the homologous regions of PLP cDNAs of many mammalian species. Except for a small stretch of considerable homology, there was little overall homology with the 3' untranslated regions of mammalian PLP mRNAs. Approximately 10% (i.e. 28) of the amino acids in the zebra finch PLP differed from mammalian PLP, with most of these changes located within exon 3. There were 16 amino acid changes between zebra finch and chicken, suggesting that greater sequence variation in PLP structure is tolerated among avian species than among mammalian species.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
0364-3190
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
19
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1061-5
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:7528351-Amino Acid Sequence,
pubmed-meshheading:7528351-Animals,
pubmed-meshheading:7528351-Base Sequence,
pubmed-meshheading:7528351-Birds,
pubmed-meshheading:7528351-DNA, Complementary,
pubmed-meshheading:7528351-Genetic Code,
pubmed-meshheading:7528351-Molecular Sequence Data,
pubmed-meshheading:7528351-Myelin Proteins,
pubmed-meshheading:7528351-Myelin Proteolipid Protein,
pubmed-meshheading:7528351-RNA, Messenger,
pubmed-meshheading:7528351-Sequence Homology, Nucleic Acid
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pubmed:year |
1994
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pubmed:articleTitle |
Isolation and characterization of a cDNA encoding the zebra finch myelin proteolipid protein.
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pubmed:affiliation |
Mental Retardation Research Center, UCLA School of Medicine 90024.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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