| Gene symbol, initial | Gene symbol, ex. | No. of Strains |
| All | --All-- | 2865 |
| A | APCS, Apoe, | 134 |
| B | bsr, BMPRI, | 63 |
| C | Chrm2, Chrm3, | 230 |
| D | Dtr(synonym:Hegf1), Dtr(synonym:Hegf1), | 107 |
| E | EGFP, EGFP, | 115 |
| F | fB19NS1w, fB19NS1w, | 112 |
| G | Gja7, GOFGFP, | 170 |
| H | H2, H2, | 104 |
| I | Il2rg, Il2rgM2, | 73 |
| J | Jun, Jarid2, | 17 |
| K | Kcnj8 (Synonym:Kir6.1), Klf12, | 27 |
| L | Lepr-b, Lepr-b, | 73 |
| M | MYC, Mcm3ap, | 142 |
| N | Nidd4, Nipa1, | 75 |
| O | Ocln, Odz4, | 29 |
| P | Prdx3, Prdx3, | 229 |
| Q | qk, qk, | 4 |
| R | Rpa2, Rag1, | 120 |
| S | Sp1, SELE, | 237 |
| T | TVA, Tg(CD9)E mu IgH, | 181 |
| U | Unknown, Unknown, | 55 |
| V | VcpC522T, Vapb, | 17 |
| W | WNK4, Wdfy1, | 34 |
| X | Xrcc1, Xpa, | 2 |
| Y | Ybey, Ywhag, | 5 |
| Z | Zrf2(synonym:MIDA1), Zfp808, | 35 |
| 0 | 0610007L01Rik, 0610010K06Rik, | 2 |
| 1 | 1110059E24Rik, 1600020E01Rik, | 19 |
| 2 | 2810004N23Rik, 2410006H16Rik, | 18 |
| 3 | 3110056O03Rik, 3xFLAG-dCas9, | 2 |
| 4 | 45SrRNAint, 45SrRNA, | 59 |
| 5 | 5830417I10Rik, | 1 |
| 6 | 6820431F20Rik, 6720401G13Rik, | 3 |
| 7 | 0 | |
| 8 | 0 | |
| 9 | 9430038I01Rik, 9430038I01Rik, | 2 |
| Other | --others-- | 433 |