| NTD | N-terminal domain |
| STAT3 | Signal transducer and activator of transcription 3 |
| USTAT3 | Unphosphorylated STAT3 |
| TAD | Trans activation domain |
| LD | Linker domain |
| DBD | DNA binding domain |
| CDD | Coiled coil domain |
| NTD | N-terminal domain |
| SH2 | SH2 domain |
| p-Tyr705 | Phosphorylated tyrosine 705 |
| PTMs | Post-transcriptional modifications |