myoglobin - ترجمة إلى الروسية
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myoglobin - ترجمة إلى الروسية

MAMMALIAN PROTEIN FOUND IN HOMO SAPIENS
Meat juice; Meat juices; MB (gene); Myohaemoglobin
  • A picket-fence porphyrin complex of Fe, with axial coordination sites occupied by methylimidazole (green) and [[dioxygen]].  The R groups flank the O<sub>2</sub>-binding site.

myoglobin         

общая лексика

миоглобин

медицина

мышечный гемоглобин

миогемоглобин

تعريف

myoglobin
[?m???(?)'gl??b?n]
¦ noun Biochemistry a red protein containing haem, which carries and stores oxygen in muscle cells.

ويكيبيديا

Myoglobin

Myoglobin (symbol Mb or MB) is an iron- and oxygen-binding protein found in the cardiac and skeletal muscle tissue of vertebrates in general and in almost all mammals. Myoglobin is distantly related to hemoglobin. Compared to hemoglobin, myoglobin has a higher affinity for oxygen and does not have cooperative binding with oxygen like hemoglobin does. In humans, myoglobin is only found in the bloodstream after muscle injury.

High concentrations of myoglobin in muscle cells allow organisms to hold their breath for a longer period of time. Diving mammals such as whales and seals have muscles with particularly high abundance of myoglobin. Myoglobin is found in Type I muscle, Type II A, and Type II B; although many texts consider myoglobin not to be found in smooth muscle, this has proved erroneous: there is also myoglobin in smooth muscle cells.

Myoglobin was the first protein to have its three-dimensional structure revealed by X-ray crystallography. This achievement was reported in 1958 by John Kendrew and associates. For this discovery, Kendrew shared the 1962 Nobel Prize in chemistry with Max Perutz. Despite being one of the most studied proteins in biology, its physiological function is not yet conclusively established: mice genetically engineered to lack myoglobin can be viable and fertile, but show many cellular and physiological adaptations to overcome the loss. Through observing these changes in myoglobin-depleted mice, it is hypothesised that myoglobin function relates to increased oxygen transport to muscle, and to oxygen storage; as well, it serves as a scavenger of reactive oxygen species.

In humans, myoglobin is encoded by the MB gene.

Myoglobin can take the forms oxymyoglobin (MbO2), carboxymyoglobin (MbCO), and metmyoglobin (met-Mb), analogously to hemoglobin taking the forms oxyhemoglobin (HbO2), carboxyhemoglobin (HbCO), and methemoglobin (met-Hb).

أمثلة من مجموعة نصية لـ٪ 1
1. The other major toxin is myoglobin, a protein that binds oxygen in muscles so they can work at peak efficiency.
2. They note that freshly cut meat looks purplish red, and that the addition of carbon monoxide –– which binds to a muscle protein called myoglobin –– turns it irreversibly pink.
What is the الروسية for myoglobin? Translation of &#39myoglobin&#39 to الروسية