Transcription Factor PU.1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Transcription factor PU.1 (270 aa, ~31 kDa) is encoded by the human SPI1 gene. This protein plays a role in transcriptional regulation in hematopoietic cells.

**Synonyms:** - 31 kDa-Transforming Protein - Hematopoietic Transcription Factor PU.1 - PU.1 Transcription Factor - SPI1 - SPI1 Gene Product - SPI1 Protein