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[Determination of a primary structure of abnormal D-like hemoglobin isolated from a blood donor]
Abnormal hemoglobin with contents 40% was isolated from the blood of a donor. It was purified, its chains were separated, and the defect was found to locate at beta-chain. Abnormal betaT13 peptide was found under the separation of tryptic hydrolysate. Data on its amino acid composition, electrophoretic mobility as well as attempts to determine its N-terminal amino acid and N-terminal sequence made possible to identify the location and the character of the amino acid substitution in the abnormal hemoglobin. The first case of the presence of hemoglobin D Penjab alpha2beta2(121Glu leads to Gln) among the Russian population is described.
Abnormal hemoglobin with contents 40% was isolated from the blood of a donor. It was purified, its chains were separated, and the defect was found to locate at beta-chain. Abnormal betaT13 peptide was found under the separation of tryptic hydrolysate. Data on its amino acid composition, electrophoretic mobility as well as attempts to determine its N-terminal amino acid and N-terminal sequence made possible to identify the location and the character of the amino acid substitution in the abnormal hemoglobin. The first case of the presence of hemoglobin D Penjab alpha2beta2(121Glu leads to Gln) among the Russian population is described.