Hemoglobin subunit beta-1 gene (Hbb-b1)

Hbb-b1 is a protein coding gene found in mice (Mus musculus) located on chromosome 7. It encodes the beta-1 subunit of adult hemoglobin, which is the major form of beta-globin in adult mice. The gene is part of the beta-globin gene cluster and its protein product combines with alpha-globin subunits to form the hemoglobin tetramer found in red blood cells. This hemoglobin complex is responsible for binding oxygen in the lungs and transporting it to peripheral tissues throughout the body. Each beta-globin subunit binds to a heme molecule containing iron, which directly binds oxygen. The Hbb-b1 gene is analogous to the human HBB gene, and mouse models with targeted deletion of Hbb-b1 are used to study beta thalassemia and other hemoglobinopathies. Mutations or deletions in this gene result in reduced or absent beta-globin production, leading to anemia and compensatory increases in beta minor globin expression. The gene is primarily expressed in hemolymphoid system tissues and is essential for normal erythrocyte function and oxygen delivery.

Other names

beta1beta majbeta major globinMommeD7Hemoglobin subunit beta-1Hemoglobin beta adult major chain

Not applicable as a traditional drug target. However, the gene can be targeted through gene therapy approaches for thalassemia, targeted deletion strategies in embryonic stem cells, or translational control mechanisms.