Summary of endogenous TCR Vβ and TCR Jβ segment usage and CDR3 sequences
| Mouse | Percent positive for Vβ by flow cytometry | CDR3-IMGT | TRBV gene | TRBJ gene | Number of identical clones | GenBank accession no. |
| i | 80% Vβ4 | A S S Q S R Y E Q Y | 2*01 | 2-7*01 | 18/19a | EU647570 |
| 9% Vβ10b | A S S S S G F T E V F | 4*01 | 1-1*01 or 02 | 14/15b | EU647566 | |
| ii | 51% Vβ13 | A S S F T Q T N T E V F | 14*01 | 1-1*01 | 13/13 | EU647568 |
| 11% Vβ10b | A S S S T G Y Y A E Q F | 4*01 | 2-1*01 | 18/18 | EU647569 | |
| iii | 91% Vβ8.3 | A S R D G S Y N S P L Y | 13-1*01 or 02 | 1-6*01 | 32/32 | EU647565 |
| iv | 34% Vβ3 | A S S L S T G Y Y A E Q F | 26*01 or 02 | 2-1*01 | 20/20 | EU647574 |
| v | 65% Vβ8.3 | A S S E P T G G V Y E Q Y | 13-1*01 or 02 | 2-7*01 | 17/17 | EU647575 |
| 9.5% Vβ10b | A S S S G G G Y A E Q F | 4*01 | 2-1*01 | 11/11 | EU647577 | |
| vi | 100% Vβ8.1/8.2 | A S G D A W A G S Y E Q Y | 13-2*01 or 03, or 04 | 2-7*01 | 19/20c | EU647573 |
| vii | 70% Vβ12 | A S S L A D R G Q D T Q Y | 15*01 | 2-5*01 | 19/19 | EU647576 |
| Mouse | Percent positive for Vβ by flow cytometry | CDR3-IMGT | TRBV gene | TRBJ gene | Number of identical clones | GenBank accession no. |
| i | 80% Vβ4 | A S S Q S R Y E Q Y | 2*01 | 2-7*01 | 18/19a | EU647570 |
| 9% Vβ10b | A S S S S G F T E V F | 4*01 | 1-1*01 or 02 | 14/15b | EU647566 | |
| ii | 51% Vβ13 | A S S F T Q T N T E V F | 14*01 | 1-1*01 | 13/13 | EU647568 |
| 11% Vβ10b | A S S S T G Y Y A E Q F | 4*01 | 2-1*01 | 18/18 | EU647569 | |
| iii | 91% Vβ8.3 | A S R D G S Y N S P L Y | 13-1*01 or 02 | 1-6*01 | 32/32 | EU647565 |
| iv | 34% Vβ3 | A S S L S T G Y Y A E Q F | 26*01 or 02 | 2-1*01 | 20/20 | EU647574 |
| v | 65% Vβ8.3 | A S S E P T G G V Y E Q Y | 13-1*01 or 02 | 2-7*01 | 17/17 | EU647575 |
| 9.5% Vβ10b | A S S S G G G Y A E Q F | 4*01 | 2-1*01 | 11/11 | EU647577 | |
| vi | 100% Vβ8.1/8.2 | A S G D A W A G S Y E Q Y | 13-2*01 or 03, or 04 | 2-7*01 | 19/20c | EU647573 |
| vii | 70% Vβ12 | A S S L A D R G Q D T Q Y | 15*01 | 2-5*01 | 19/19 | EU647576 |