Human ClpP protease: cDNA sequence, tissue-specific expression and chromosomal assignment of the gene

P Bross, B S Andresen, I Knudsen, T A Kruse, N Gregersen

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Abstrakt

We identified three overlapping human expressed sequence tags with significant homology to the E. coli ClpP amino sequence by screening the EMBL nucleotide database. With this sequence information we applied 5' and 3'-rapid amplification of cDNA ends (RACE) to amplify and sequence human clpP cDNA in two overlapping fragments. The open reading frame encodes a 277 amino acid long precursor polypeptide. Two ClpP specific motifs surrounding the active site residues are present and extensive homology to ClpP's from other organisms was observed. Northern blotting showed high relative expression levels of clpP mRNA in skeletal muscle, intermediate levels in heart, liver and pancreas, and low levels in brain, placenta, lung and kidney. By analysis of human/rodent cell hybrids the human clpP gene was assigned to chromosome 19.

OriginalsprogEngelsk
TidsskriftFEBS letters
Vol/bind377
Udgave nummer2
Sider (fra-til)249-52
Antal sider4
ISSN0014-5793
StatusUdgivet - 18. dec. 1995

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