Table 2.
Ly49 gene groups.
| A group (inhibitory) | aB6, aNOD, aBalb, o129* |
| G group (inhibitory) | t129, g1–2NOD, gB6, g129, gBalb |
| D group (activating) | dB6, dNOD, p1–3NOD, p129, pd129, pd1–2NOD, xB6, xNOD, r129 |
| L group (activating) | lBalb, wNOD, mB6, mNOD |
| C group (inhibitory) | i1–2NOD, i1129, iB6, iBalb, cNOD, cBalb/c, cB6 |
| E group (inhibitory) | eNOD, eB6, e129, eBalb, fNOD, fB6, s129** |
| H group (activating) | nB6, kB6, hB6, hNOD, uNOD, u129 |
| Q group (inhibitory) | q1129, qNOD, qB6, qBalb/c |
| B group (inhibitory) | b129, bB6, bBalb/c |
Based on homology, genomic organization, and function (Belanger et al., 2008), groups of Ly49 genes can be clustered as above.