LSF, or Transcription factor CP2, is a human gene encoded by TFCP2. It may also be known as: Alpha-globin transcription factor CP2; Transcription factor LSF; SAA3 enhancer factor; LBP1C1D; SEF; TFCP2C. The encoded protein has an amino acid length of 502 and a mass of 57.3 kDa. LSF is a member of the Grh/CP2 family, CP2 subfamily. Homologs of this gene exist in other organisms, including: Mouse, Frog.