Fig. 2.

Analysis of amino acid content and classification of Carica papaya auxin response factor (CpARF) proteins. a The protein structure of CpARFs. DBD, DNA-binding domain; CTD, C-terminal dimerization domain; MR, middle region; RD, repression domain; AD, activation domain; Q, glutamine; S, serine; L, leucine; P, proline; G, glycine. b Amino-acid content of MR domains in putative CpARFs. CpARF is the X-axis variable and the corresponding amino acid content is the Y-axis variable. Colored bars represent different amino acids