Cfap20 is a symbol for the gene, Cilia and flagella associated protein 20, in humans. Other names include: Cilia- and flagella-associated protein 20; Basal body up-regulated protein 22; Transcription factor IIB; functional spliceosome-associated protein 23; flagellar associated protein 20 homolog (Chlamydomonas); C16orf80; EVORF; GTL3; fSAP23. The encoded protein has an amino acid length of 193 and a mass of 22.8 kDa. Other isoforms may exist. Cfap20 is a member of the CFAP20 family. This gene shares homology with other species, including: Mouse, Rat.