Plant bZIP proteins preferentially bind to DNA sequences with an ACGT core. Binding specificity is regulated by flanking nucleotides. Plant bZIPs preferentially bind to the A-box (TACGTA), C-box (GACGTC) and G-box (CACGTG), but there are also examples of nonpalindromic binding sites. 138 bZIP genes were identified, including JTY(50), LWM(47) and F106(41), all genes were divided into 11 subfamilies.
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