Nucleotide sequence of a mouse Tcp-1 pseudogene: A nucleotide record for a t complex gene carried by an ancestor of the mouse |
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Authors: | Hiroshi Kubota Takashi Morita Yoko Satta Masami Nozaki Aizo Matsushiro |
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Affiliation: | (1) Department of Microbial Genetics, Research Institute for Microbial Diseases, Osaka University, Yamadaoka 3-1, 565 Suita, Osaka, Japan;(2) National Institute of Genetics, Yata 1-111, 411 Mishima, Shizuoka, Japan |
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Abstract: | We have isolated clones of a processed pseudogene of mouse t complex polypeptide 1 (Tcp-1) and determined the nucleotide sequence of the pseudogene. The pseudogene was 1363 bp long and had no intron. The Tcp-1 pseudogene had 88.4% or 88.3% nucleotide identity to the mouse Tcp-1 cDNA of wild-type (Tcp-1)bor t haplotype (Tcp-1)a, and 87.5% identity to the rat Tcp-1 cDNA. On 12 nucleotide positions where the open reading frames (ORFs) of mouse Tcp-1band Tcp-1acDNAs have bp substitutions, the Tcp-1 pseudogene had 6 bp identical to Tcp-1b, 5 bp identical to Tcp-1aand 1 bp not identical to neither. On ten amino acid positions where TCP-1B and TCP-1A polypeptides have substitutions, deduced amino acids of the Tcp-1 pseudogene had four amino acids identical to TCP-1B, five amino acids identical to TCP-1A and one amino acid identical to neither. These results suggest that the ancestral mouse Tcp-1 gene would have had no significant difference between the resemblance to Tcp-1band that to Tcp-1abefore they were diverged and that amino acids of TCP-1B and TCP-1A would have been substituted in similar high rates.The nucleotide sequence data reported in this paper have been submitted to GenBank and have been assigned the accession number D00851. |
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