Fig. 1.

Phylogenetic analysis and alignment of the deduced amino acid sequences of the DREB peptide sequences. a The phylogenic relationship of CmDREB6 and 39 members from other species of CvDREB2A(ABR23508.1), CiDREB2(AHJ08574.1), HaDREB2(AAS82861.1), GmDREB2A(AFU35563.1), DREB2A(BAA33794.1), OsDREB2A(AAN02487.2), FaDREB2(AAR11157.1), SiDREB2(ADM73511.1), SbDREB2A(AEI69362.1), PeDREB2L(ABV03750.1), WDREB2(BAD97369.1), ZmDREB2A(BAE96012.1), PgDREB2A(AAV90624.1), ZmDBF(AAM80486.1), CiDREB6(AHJ08575.1), RAP2–4(NP_177931.1), ABI4(AAC39489.1), ZmABI4(AAM95247.1), RAP2–1(NP_564496.1), RAP2–10(NP_195408.1), GhDBP1(AAO43165.1), CiDREN5(AHJ08576.1), TINY(AAC29139.1), GmTINY(ACP40513.1), ZmDBF2(AAM80485.1), CiDREB1A(AHI59150.1), DgDREB1B(ABD90467.1), DgDREB1A(ABD90468.1), CiDREB1B(AHI59151.1), CaDREB(AAR88363.1), MtDREB1C(ABB72792.1), HvCBF1(AAL84170.1), ZmDBP4(ACO72995.1), HvCBF2(AAM13419.1), OsDREB1B(AAN02488.1), HvCBF3(ACC63520.1), ZmDREB1A(AAN76804.1), OsDREB1A(AEW67332.1), LpCBF3(AAX57275.1). b Alignment of the deduced amino acid sequences of A-6 subgroup of CmDREB6 and CiDREB6(AHJ08575.1), ZmDBF(AAM80486.1), RAP2–4(NP_1777931.1). The red line represents the conserved DNA-binding domain (AP2/ERF domain), the blue line represents two motifs of M1 and M2, 3 green box, 1 orange box and ▲ respectively represent 3 β-sheets, 1 α-helix and V14, L19