User:Scmohr/ProtCode Repressors & Activators

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The crystal structure of the tryptophan repressor dimer binding to its palindromic DNA operator sequence fragment.

Repressors & Activators

(22 parts)

Repressors and activators are transcription factors -- proteins that bind to specific DNA sequences and regulate the transcription of one or more nearby genes. They also bind "ligands," small molecules that play a role in repressing or activating transcription by altering the conformations (3D-shape) of the transcription factors.

Exemplary Repressor/Activator Parts

The following parts are some of the best examples of this category in the Registry:

BBa_C0012, BBa_C0051, BBa_C0062,