| 5W66: Rna Polymerase I Initial Transcribing Complex State 3 reference: Structural mechanism of ATP-independent transcription initiation by RNA polymerase I., Han Y, Yan C, Nguyen THD, Jackobel AJ, Ivanov I, Knutson BA, He Y, Elife. 2017 Jun 17;6. pii: e27414. doi: 10.7554/eLife.27414. PMID: 28623663 |
This OCA 
Structure page
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(documentation).