1. A functional region of a protein that controls or modulates the activity of another part of the protein or other molecules
The regulatory domain of the transcription factor binds to DNA and controls gene expression.
O domínio regulador do fator de transcrição se liga ao DNA e controla a expressão gênica.
2. In molecular biology, a segment of a protein responsible for responding to signals and regulating protein function
The kinase has a regulatory domain that responds to phosphorylation.
A quinase possui um domínio regulador que responde à fosforilação.