Figure 1.

Multiple alignment of the identified barley (HvWRKY) and selected Arabidopsis (AtWRKY) and rice (OsWRKY) WRKY domain sequences. N-terminal and C-terminal WRKY domains of group 1 WRKY proteins are indicated as _NTD and _CTD, respectively. The conserved WRKY amino acid signature is highlighted in bold letters, the amino acids forming the zinc-finger motif are displayed in grey, gaps are marked with dashes.