Spnb2 is an alias for the gene, Spectrin, beta, non-erythrocytic 1, in humans. Other names include: Spectrin beta chain, non-erythrocytic 1; Fodrin beta chain; Spectrin, non-erythroid beta chain 1; Beta-II spectrin; ELF; HEL102; SPTB2; betaSpII. The encoded protein has an amino acid length of 2364 and a mass of 274.6 kDa. Other isoforms may exist. Spnb2 is a member of the Spectrin family. This gene shares homology with other species, including: Rat, Zebrafish, Frog, Chicken.