noun
- a protein that is a component of hemoglobin and myoglobin, consisting of a polypeptide chain bound to a heme group
Usage: technical; biochemistry
Examples
- Hemoglobin is composed of four globin chains and four heme groups.
- The alpha and beta globin genes are located on different chromosomes.
- Mutations in the globin gene can cause sickle cell disease.
- Myoglobin contains a single globin chain, unlike hemoglobin.
- Scientists study globin structure to understand oxygen transport in blood.