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We have previously described the structural identification of the sickle hemoglobin variant Hb C Ziguinchor (alpha2A beta2 6 Glu replaced by Val, 58 Pro replaced by Arg). This hemoglobin was found in two generations (three members) of an African family. In two family members, the clinical picture resembled that typical of a sickle cell trait, while the third member showed a more extreme clinical condition due to complication by an iron deficiency anemia. The functional properties of Hb C Zig. in red blood cells or in dilute solutions were identical to those of Hb S. The gelling behaviour of deoxy Hb C Zig. was also indistinguishable from that of Hb S. These findings suggest that, in contrast to the case of Hb C Harlem, the second substitution in position beta58 in Hb C Zig. does not interfere with the intermolecular interactions determined by the sickle substitution.
W Hassan, and
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J L Oudart, and
M Goossens, and
J Rosa
January 1987,
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W Hassan, and
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M Goossens, and
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January 1979,
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W Hassan, and
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J L Oudart, and
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W Hassan, and
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W Hassan, and
P Basset, and
J L Oudart, and
M Goossens, and
J Rosa
March 1969,
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W Hassan, and
P Basset, and
J L Oudart, and
M Goossens, and
J Rosa
May 1976,
Biochimica et biophysica acta,
W Hassan, and
P Basset, and
J L Oudart, and
M Goossens, and
J Rosa
November 1973,
Biochimica et biophysica acta,
W Hassan, and
P Basset, and
J L Oudart, and
M Goossens, and
J Rosa
April 1978,
The Journal of biological chemistry,
