Signal Transducer and Activator of Transcription 3

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

**Definition:** Signal transducer and activator of transcription 3 (770 aa, ~88 kDa) is encoded by the human STAT3 gene. This protein plays a role in cytokine signaling and gene expression.

**Synonyms:** - APRF - Acute-Phase Response Factor - STAT3