ABP-278 is an alias for the gene, Filamin B, in humans. Other names include: Filamin-B; FLN-B; ABP-280 homolog; Beta-filamin; Filamin homolog 1; Fh1; Filamin-3; Thyroid autoantigen; Truncated actin-binding protein; Truncated ABP; actin binding protein 278; beta filamin; AOI; FLN1L; LRS1; TABP; filamin B, beta. The encoded protein has an amino acid length of 2602 and a mass of 278.2 kDa. Other isoforms may exist. This gene shares homology with other species, including: Frog.