Table 3.
Consensus Sequences of Conserved Motifs in NBS Domains in Different Classes of Genes
| Gene Class | The P-Loop | Kinase-2 | RNBS-B | GLPL | MHD Domain |
|---|---|---|---|---|---|
| TIR-NBS-LRR | GIGKTT(il)A | KVL(ivl)(vi)LDDVD | GSRII(iv)TT(qre)D | G(gn)LPLGL | MH(ndkr)LLQQ |
| nT-NBS-LRR | GMGG(vli)GKTTL | (lv)(lvi)(vl)DD(vl)W | GS(kr)(vi)(lva)(fl)T(ts)R | GLRLAL | MHD(vm)(vlim)R(ed) |
| nT-NBS | VGK(skr)TLV | L(vi)(vi)(vi)E(lf)xxD | GSK(iv)l(iv)xSR | GSF(ilm)xAN | Not conserved |
| TIR-NBS | SGIGKTEL | L(lv)(iv)IDNL | HV(il)(iv)TTR | GLW(iv)V | Not conserved |
*
Letters in parentheses designate residues that occur in similar frequencies at a single position. Consensus sequences of TIR and Non-TIR genes were calculated from Arabidopsis sequences (http://niblrrs.ucdavis.edu/At_RGenes). The non-LRR consensus sequences were calculated from 47 rice sequences and the TIR-NBS sequences were calculated from three rice genes and two related Arabidopsis genes.