Pope Leo XIII | The O'Reilly Factor | The X Factor (UK) | Louis XIII of France | Microphthalmia-associated transcription factor | The X Factor | Alfonso XIII of Spain | Fear Factor | Max Factor | Pope Gregory XIII | Pope Clement XIII | The X Factor (TV series) | B-cell activating factor | Epidermal growth factor receptor | Antipope Benedict XIII | Pope Benedict XIII | Goemon Ishikawa XIII | Psi Factor: Chronicles of the Paranormal | Organization XIII | Astro Boy: Omega Factor | Super League XIII | Benedict XIII | twist transcription factor | The X Factor (U.S.) | The X Factor (UK TV series) | The X Factor (UK series 2) | The Omega Factor | The Butch Factor | The Adonis Factor | Stalag XIII-D |
Coagulation factor XIII, A1 polypeptide has been shown to interact with F13B.