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Hemoglobin Istanbul: Substitution of Glutamine for Histidine in a Proximal Histidine (F8(92) )

Overview
Journal J Clin Invest
Specialty General Medicine
Date 1972 Sep 1
PMID 4639022
Citations 4
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Abstract

A presumably spontaneous mutation has resulted in the formation of Hemoglobin (Hb) Istanbul in which glutamine is substituted for histidine in the proximal position of the beta-chain (F8(92)). The anemia and other physiological effects that occur in the presence of Hb Istanbul were much ameliorated by splenectomy. Hb Istanbul is a relatively unstable molecule which produces a rather moderate case of "unstable hemoglobin hemolytic anemia."In the determination of structure, a method of preferential cleavage of an aspartyl-proline bond at residues 99-100 of the beta-chain was used.

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