SPTB (Spectrin beta chain, erythrocytic) variants and mutations

SPTB (also known as Spectrin beta chain, erythrocytic) is a human protein-coding gene encoding a spectrin beta chain, erythrocytic protein. It contributes beta-spectrin to the red-blood-cell membrane skeleton, linking the lipid bilayer to actin and ankyrin complexes. Pathogenic variants can cause hereditary spherocytosis, elliptocytosis, or related congenital hemolytic anemia. This analysis covers 2,751 SPTB variants and mutations. Of these, 91% have computational variant effect predictions. Disease context includes hereditary elliptocytosis, hereditary spherocytosis, and Congenital hemolytic anemia. Example SPTB variants include M1?, M1I, and M1V.

Variant analysis overview

Variant and mutation evidence

Clinical, disease, and population context

Protein structure and variant hotspots

Data sources

Evidence in this analysis draws on EBI Proteins Variation, UniProt, gnomAD v4, EuropePMC, Interaction Network Analysis, Protein Data Bank, AlphaFold DB, gnomAD constraint, Open Targets, MaveDB, LitVar.

Notable SPTB variants

Examples include M1?, M1I, M1V, T2A, S3L, A4T, E6D, N9H. Listed records include available protein-change notation, database identifiers, clinical classifications, computational predictions, population evidence, experimental measurements, and disease context.