Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Based on the new results and previous findings (12, 21, 22), we propose a functional model for CmeR in which it binds to target DNA via its N-terminal HTH motif and interacts with various inducing signals via its large ligand-binding pocket located in the Cterminal region.
Category: