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Virology. 1991 Nov;185(1):10-7.

Molecular cloning and characterization of a novel human gene homologous to the murine ecotropic retroviral receptor.

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Department of Pathology, New York University Medical Center, New York 10016.


A novel human cDNA homologous to the murine ecotropic retroviral receptor was cloned from a cDNA library derived from a human T-cell line. The human cDNA is highly homologous to the murine counterpart (87.6% amino acid identity), and its sequence predicts a protein with 629 amino acids (approximately 68 kDa), which is 7 amino acids more than the murine counterpart (622 amino acids). The predicted protein is highly hydrophobic and contains 14 potential transmembrane-spanning domains. No other gene and protein with significant homology to the cloned human gene and the predicted protein were identified by a computer-based search of sequence data banks other than the murine T-cell early activation gene (52.5% amino acid identity) and the murine ecotropic retroviral receptor gene. The human gene is ubiquitously expressed in human tissues and conserved among mammalian species. The genomic gene was also isolated from a cosmid library derived from human lymphocytes, and its organization was elucidated. The gene mapped to human chromosome 13.

[Indexed for MEDLINE]

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