5E18:
reference: Multiplexed protein-DNA cross-linking: Scrunching in transcription start site selection., Winkelman JT, Vvedenskaya IO, Zhang Y, Zhang Y, Bird JG, Taylor DM, Gourse RL, Ebright RH, Nickels BE, Science. 2016 Mar 4;351(6277):1090-3. doi: 10.1126/science.aad6881. PMID: 26941320

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