Table 1.
Predicted transcription factor binding sites in the 5' promoter regions of four R2B phosphatases.
| Transcription factor binding sites | PTPρ | PTPμ | PTPκ | PCP-2 |
| AML-1a | 4 | 5 | 0 | 7 |
| AP-1 | 0 | 0 | 1 | 0 |
| AP-2 | 1 | 0 | 0 | 0 |
| AP-4 | 2 | 0 | 1 | 0 |
| C/EBP | 6 | 4 | 3 | 7 |
| C/EBPalpha | 0 | 1 | 0 | 1 |
| CdxA | 9 | 6 | 12 | 20 |
| c-Ets-1(p54) | 2 | 1 | 3 | 0 |
| c-Myb | 1 | 0 | 0 | 0 |
| c-Myc/Max | 1 | 0 | 1 | 0 |
| DeltaEF-1 | 0 | 1 | 0 | 0 |
| E4BP4 | 0 | 1 | 0 | 0 |
| En-1 | 2 | 7 | 3 | 5 |
| Freac-3 | 0 | 1 | 0 | 0 |
| Freac-7 | 0 | 0 | 0 | 2 |
| GATA-1 | 3 | 2 | 1 | 3 |
| GATA-2 | 1 | 1 | 1 | 1 |
| GATA-3 | 0 | 2 | 2 | 0 |
| GKLF | 2 | 2 | 1 | 1 |
| GR | 1 | 1 | 0 | 0 |
| HFH-8 | 0 | 0 | 0 | 1 |
| HNF-3beta | 0 | 0 | 0 | 1 |
| HOXA3 | 5 | 7 | 8 | 7 |
| HSF1 | 0 | 0 | 1 | 0 |
| HSF2 | 1 | 0 | 1 | 1 |
| Ik-2 | 1 | 4 | 1 | 2 |
| Lmo2 complex | 1 | 1 | 0 | 0 |
| Msx-1 | 6 | 1 | 1 | 4 |
| Myb | 0 | 2 | 1 | 0 |
| MZF1 | 3 | 1 | 1 | 0 |
| NF-1 | 2 | 0 | 0 | 0 |
| NF-AT | 0 | 0 | 1 | 4 |
| Nkx2.5 | 0 | 2 | 1 | 4 |
| N-Myc | 0 | 0 | 0 | 1 |
| Oct-1 | 3 | 2 | 5 | 1 |
| p300 | 1 | 2 | 0 | 0 |
| p53 | 0 | 1 | 0 | 0 |
| Pax-2 | 1 | 0 | 1 | 0 |
| Pax-4 | 5 | 1 | 1 | 1 |
| Pbx-1 | 0 | 1 | 2 | 3 |
| Sox-5 | 1 | 0 | 0 | 0 |
| Sp1 | 2 | 0 | 0 | 0 |
| SRY | 3 | 6 | 10 | 9 |
| TCF11 | 1 | 2 | 0 | 0 |
| TST-1 | 0 | 0 | 1 | 0 |
| USF | 2 | 0 | 0 | 1 |
| YY1 | 0 | 0 | 2 | 0 |