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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1991-12-23
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pubmed:databankReference |
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M59725,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M59726,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M59727,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M59728,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M63990,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M64085,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/M64086,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/S61507,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/S64496,
http://linkedlifedata.com/resource/pubmed/xref/GENBANK/S64498
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pubmed:abstractText |
We have isolated two novel serpin-encoding sequences from EB22, a chondrocytic cell line derived from a mouse teratocarcinoma. Both sequences fall within the Spi-2 sub-family, and are related to the gene encoding human alpha 1-antichymotrypsin (ACT), a major acute-phase reactant. Considerable amplification of the Spi-2 gene family in the mouse has occurred, hindering the identification of a functional equivalent of the human gene. However, one of the sequences described here, EB22/4, exhibits several features which indicate that it may represent the physiological rodent equivalent of ACT. The sequence is expressed in the liver, as expected, and is induced several-fold during the acute-phase response. The P1 amino acid residue, which is primarily responsible for inhibitor specificity, is Met rather than the human Leu, most probably a functionally conservative substitution. Analysis of the orthologous sequence in related rodents demonstrates conservation of the predicted reactive centre-encoded specificity. The second isolated cDNA, EB22/3, encodes an unexpected Cys residue at the P1 position in the reactive centre, and represents a novel sub-class of the Spi-2 serine proteinase inhibitor (serpin)-encoding gene family. At least one of the sequences appears to be expressed at sites of skeletal deposition during the later stages of mouse foetal development, indicating a role for serpins during development.
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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 |
Oct
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pubmed:issn |
0378-1119
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
15
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pubmed:volume |
106
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pubmed:geneSymbol |
EB22/3,
EB22/4,
Spi-2.2
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
213-20
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pubmed:dateRevised |
2004-11-17
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pubmed:meshHeading |
pubmed-meshheading:1718822-Acute-Phase Proteins,
pubmed-meshheading:1718822-Amino Acid Sequence,
pubmed-meshheading:1718822-Animals,
pubmed-meshheading:1718822-Base Sequence,
pubmed-meshheading:1718822-Blotting, Northern,
pubmed-meshheading:1718822-Cartilage,
pubmed-meshheading:1718822-Gene Expression Regulation,
pubmed-meshheading:1718822-Humans,
pubmed-meshheading:1718822-Liver,
pubmed-meshheading:1718822-Mice,
pubmed-meshheading:1718822-Molecular Sequence Data,
pubmed-meshheading:1718822-Multigene Family,
pubmed-meshheading:1718822-Sequence Homology, Nucleic Acid,
pubmed-meshheading:1718822-Serpins,
pubmed-meshheading:1718822-Teratoma,
pubmed-meshheading:1718822-Tumor Cells, Cultured,
pubmed-meshheading:1718822-alpha 1-Antichymotrypsin
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pubmed:year |
1991
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pubmed:articleTitle |
Isolation of two cDNAs encoding novel alpha 1-antichymotrypsin-like proteins in a murine chondrocytic cell line.
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pubmed:affiliation |
MRC Human Genetics Unit, Western General Hospital, Edinburgh, Scotland, U.K.
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pubmed:publicationType |
Journal Article
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