Letter | Published:

Primary Structure of Hopkins–I Haemoglobin

Naturevolume 214pages189190 (1967) | Download Citation

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Abstract

HopKiNS–1 haemoglobin (haemoglobin Ho–1) was originally described in twelve members of a large kindred in 1958 by Smith and Torbert1. In this investigation the abnormal haemoglobin was estimated to make up about 50 per cent of the total haemoglobin in affected heterozygotes. Although the β chain has been established as the site of amino-acid substitution by the recombination of haemoglobin sub-units2, the nature and exact locus of the substitution have not yet been elucidated. Because haemoglobin Ho–1 is of the rapidly migrating haemoglobin I type electrophoretically, and therefore differs from haemoglobin A by two charges per abnormal chain, it can therefore be presumed that the mutation in haemoglobin Ho–1 involves the substitution of an acidic for a basic amino-acid.

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References

  1. 1

    Smith, E. W., and Torbert, J. V., Bull. Johns Hopkins Hosp., 101, 38 (1958).

  2. 2

    Itano, H. A., and Robinson, E. A. (unpublished observations).

  3. 3

    Allen, D. W., Schroeder, W. A., and Balog, J., J. Amer. Chem. Soc., 89, 1628 (1958).

  4. 4

    Clegg, J. B., Naughton, M. A., and Weatherall, D. J., Nature, 207, 945 (1965).

  5. 5

    Jones, R. T., Cold Spr. Harb. Symp. Quant. Biol., 29, 297 (1964).

  6. 6

    Dobbs, jun., N. B., Simmons, J. W., Wilson, J. B., and Huismann, T. H. J., Biochim. Biophys. Acta, 117, 992 (1966).

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Affiliations

  1. Laboratory of Molecular Biology, National Institute of Arthritis and Metabolic Diseases, National Institutes of Health, Bethesda, Maryland

    • A. J. GOTTLIEB
    • , E. A. ROBINSON
    •  & H. A. ITANO

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https://doi.org/10.1038/214189a0

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