LSM13, or LSM family member 14B, is a human gene encoded by LSM14B. It may also be known as: Protein LSM14 homolog B; Protein FAM61B; RNA-associated protein 55B; hRAP55B; C20orf40; FAM61B; FT005; LSM14B, SCD6 homolog B (S. cerevisiae); RAP55B; bA11M20.3. The encoded protein has an amino acid length of 385 and a mass of 42.1 kDa. LSM13 is a member of the LSM14 family. Homologs of this gene exist in other organisms, including: Mouse.