For 10 points, name this protein that increases the dissolved oxygen capacity in blood.
The Bohr effect shows that this protein has lower efficacy at a lower pH. People who live at high altitudes tend to have a lower concentration of this protein. This protein's central group, which is surrounded by a porphyrin ring, is known as a heme group as it contains an iron cation in its center. Genetic mutations of this protein give rise to sickle cell anemia. For 10 points, name this protein that increases the dissolved oxygen capacity in blood.
The Bohr effect shows that this protein has lower efficacy at a lower pH. People who live at high altitudes tend to have a lower concentration of this protein.
{Hemoglobin}