Hemoglobin Yusa (beta 21 (B3) Asp leads to Tyr), a new abnormal hemoglobin found in Japan. 1981

T Harano, and K Harano, and S Ueda, and S Shibata, and I Iuchi, and J Mizushima, and T Matsumoto, and H Harada

An electrophoretically slowly moving hemoglobin variant, Hb Yusa, was found in a 48-year-old man, his younger sister and mother. No clinical or hematological abnormalities were seen in the individuals heterozygous for this mutant gene. Structural studies of this abnormal hemoglobin showed a new type substitution of beta 21 (B3) Asp leads to Tyr. The percentage of the abnormal hemoglobin in the hemolysate was 40.8. The hemoglobin had neither instability nor functional abnormality.

UI MeSH Term Description Entries
D007525 Isoelectric Focusing Electrophoresis in which a pH gradient is established in a gel medium and proteins migrate until they reach the site (or focus) at which the pH is equal to their isoelectric point. Electrofocusing,Focusing, Isoelectric
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010108 Oxyhemoglobins A compound formed by the combination of hemoglobin and oxygen. It is a complex in which the oxygen is bound directly to the iron without causing a change from the ferrous to the ferric state. Oxycobalt Hemoglobin,Oxycobalthemoglobin,Oxyhemoglobin,Hemoglobin, Oxycobalt
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D005260 Female Females
D006455 Hemoglobins, Abnormal Hemoglobins characterized by structural alterations within the molecule. The alteration can be either absence, addition or substitution of one or more amino acids in the globin part of the molecule at selected positions in the polypeptide chains. Abnormal Hemoglobins
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000596 Amino Acids Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins. Amino Acid,Acid, Amino,Acids, Amino

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