Learn what different shades of blood mean and how they signal changes in your health or potential medical issues.

The molecule has one shape when ferrying oxygen molecules and a slightly different shape when it is not Its 10,000 atoms are assembled into four chains, each a helix with several bends.

Schechter says that Murayama “was ahead of his time” in connecting the structure of a molecule to its function, even if he did so imperfectly. Murayama later developed a laboratory test to detect ...

The Evolution of Hemoglobin "One can reconstruct this evolution by comparing the sequence of amino acid units in the several molecular chains of human hemoglobin and in hemoglobin chains from ...

In functional Near Infrared (fNIR) imaging, the molecule of concern is the hemoglobin molecule, which is the oxygen carrier for red blood cells. Since oxygenated hemoglobin, also referred to as ...

A gene known as HbS was the center of a medical and evolutionary detective story that began in the middle 1940s in Africa. Doctors noticed that patients who had sickle cell anemia, a serious ...

which result from defective synthesis of one or more hemoglobin chains, have been identified. Notably, sickle cell anemia was the first genetic disease to be examined at the molecular level.

More information: Anders Etzerodt et al, The Cryo-EM structure of human CD163 bound to haptoglobin-hemoglobin reveals molecular mechanisms of hemoglobin scavenging, Nature Communications (2024).

Rates of amino acid changes in fibrinopeptides, hemoglobin, and cytochrome c ... we can easily use the molecular differences to date species divergence. For example, if we found that the ...