Thyroid-stimulating hormone (TSH) beta subunit cDNA was obtained from Japanese quail (Coturnix japonica) by PCR and its nucleotide sequence was determined. The cDNA encodes a putative signal peptide and a mature protein consisting of 20 and 114 amino acids, respectively. The amino acid sequence of quail TSH beta subunit shows homologies of 67-69% in mammalian species, 58% in amphibian and 43-49% in teleost fish. Comparison of the amino acid sequence with TSH beta subunits of other species reveals some differences in several regions responsible for its biological functions and characteristic features of the avian TSH beta subunit, suggesting that the functional domains have diverged cooperatively between the hormone and its receptor during evolution.
机构:
Mt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
James J Peters VA Med Ctr, Bronx, NY 10468 USAMt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
Latif, Rauf
Morshed, Syed A.
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Mt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
James J Peters VA Med Ctr, Bronx, NY 10468 USAMt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
Morshed, Syed A.
Zaidi, Mone
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Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10029 USA
Mt Sinai Sch Med, Mt Sinai Bone Program, New York, NY 10029 USAMt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
Zaidi, Mone
Davies, Terry F.
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Mt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
James J Peters VA Med Ctr, Bronx, NY 10468 USAMt Sinai Sch Med, Thyroid Res Unit, Bronx, NY 10468 USA
机构:
James J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USAJames J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USA
Ma, Risheng
Morshed, Syed
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James J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USAJames J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USA
Morshed, Syed
Latif, Rauf
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James J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USAJames J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USA
Latif, Rauf
Zaidi, Mone
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Mt Sinai Sch Med, Mt Sinai Bone Program, New York, NY USAJames J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USA
Zaidi, Mone
Davies, Terry F.
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机构:
James J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USAJames J Peters Vet Affairs Med Ctr, Mt Sinai Sch Med, Thyroid Res Unit, New York, NY 10468 USA