PU.1

PU.1 is a Transcription Factor that activates genes during immune cell development. It is coded for by the SPI1 gene.

Details

  • 272 Amino Acids
  • transcriptional activation domain in N-terminal 100 amino acids
  • DNA binding domain in C-terminal 112 amino acids
  • required for most myeloid lineages and B cells
  • Implicated in cytokines

Useful Resources

wikipedia

NIH gene

[Transcription factor PU.1 is a critical regulator of cellular communications in the immune system](PU-1.pdf)

[Mechanisms of Action of Hematopoietic Transcription Factor PU.1 in Initiation of T-Cell Development](PU-1-mechanism.pdf) https://pubmed.ncbi.nlm.nih.gov/37492098/

GWAS Paper

[Blood cell traits’ GWAS loci colocalization with variation in PU.1 genomic occupancy prioritizes causal noncoding regulatory variants](PU-1GWAS.pdf)