Abstract
THE possibility of a human embryonic haemoglobin was first indicated by the work of Drescher and Kunzer1. Two such haemoglobins, Hb-Grower 1 and Hb-Gower 2, have been discovered2,3 and their structures are ɛ4 and α2ɛ2 respectively. The ɛ-chain is a distinct haemoglobin chain synthesized during embryonic development. It has therefore been suggested4 that there is a separate genetic locus determining the structure of the ɛ-chain, just as there are separate loci determining the structure of the α, β, γ, and δ-haemoglobin chains5.
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References
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CAPP, G., RIGAS, D. & JONES, R. Evidence for a New Haemoglobin Chain (ζ-Chain). Nature 228, 278–280 (1970). https://doi.org/10.1038/228278b0
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DOI: https://doi.org/10.1038/228278b0
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