2,3-Diphosphoglycerate Phosphatase from Human Erythrocytes
نویسندگان
چکیده
منابع مشابه
The purification and properties of diphosphoglycerate mutase from human erythrocytes.
where PGA is phosphoglyceric acid. The kinetic studies with the human enzyme indicate K, values of 0.53 FM for 1,3-diphosphoglycerate and 1 to 1.5 PM for 3-phosphoglycerate. 2,3-Diphosphoglycerate is a competitive inhibitor of 1,3-diphosphoglycerate with a Ki of 0.85 FM; it is noncompetitive with 3-phosphoglycerate. Inorganic phosphate inhibits competitively with 3-phosphoglycerate with a Ki of...
متن کاملThe Purification and Properties of Diphosphoglycerate Mutase from Human Erythrocytes*
where PGA is phosphoglyceric acid. The kinetic studies with the human enzyme indicate K, values of 0.53 FM for 1,3-diphosphoglycerate and 1 to 1.5 PM for 3-phosphoglycerate. 2,3-Diphosphoglycerate is a competitive inhibitor of 1,3-diphosphoglycerate with a Ki of 0.85 FM; it is noncompetitive with 3-phosphoglycerate. Inorganic phosphate inhibits competitively with 3-phosphoglycerate with a Ki of...
متن کاملIn vivo aging of transfused erythrocytes and 2,3-diphosphoglycerate levels.
Levels of 2,3-diphosphoglycerate (2,3-DPG) of the hematocrit decreased. On five and oxygen affinity were measured in a separate occasions, the 2,3-DPG concentrapatient with refractory congenital hypotion was elevated (average 25.5 , moles/g plastic anemia in order to determine the of hemoglobin) and the P50 level increased response of aging transfused erythrocytes (average 33.2 mm of mercury) 2...
متن کاملThe first case of a complete deficiency of diphosphoglycerate mutase in human erythrocytes.
An inherited and complete deficiency of diphosphoglycerate mutase was discovered in the erythrocytes of a 42-yr-old man of French origin whose blood hemoglobin concentration was 19.0 g/dl. Upon physical examination he was normal with the exception of a ruddy cyanosis. The morphology of his erythrocytes was also normal and there was no evidence of hemolysis. The erythrocyte 2,3-diphosphoglycerat...
متن کاملMyosin from human erythrocytes.
We have purified myosin from human erythrocytes using methods similar to that for other cytoplasmic myosins with a yield of about 500 micrograms/100 ml of packed cells. It consists of a 200-kDa heavy chain and light chains of 26- and 19.5 kDa and therefore differs from the isozyme in platelets which has light chains of 20- and 15 kDa. At low ionic strength, the myosin forms short bipolar filame...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1970
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)63045-5