2026-08-26 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2026-04-28 2026-07-22 2026-07-22 2026-08-26 Max Planck Society Germany Focused map of core RNA polymerase II pre-initiation complex (PIC) (ITC6) Zhan Y Abril-Garrido J Grabbe F Seweryn P Neef U Dienemann C Cramer P Mammalian PIC, +1 nucleosome, transcription initiation, TRANSCRIPTION, DNA Zhan Y Abril-Garrido J Grabbe F Seweryn P Neef U Dienemann C Cramer P The +1 nucleosome functions in RNA Pol II transcription initiation and the transition to elongation. Mol.Cell US 86 2939 2949.e7 2026 42480520 doi:10.1016/j.molcel.2026.06.042 1097-2765 2168 MOCEFL EMDB EMD-57807 associated EM volume Initially transcribing complex of a 6 nt RNA in the presence of a +1 nucleosome Initially transcribing complex of a 6 nt RNA in the presence of a +1 nucleosome 0 Homo sapiens 2.7 singleParticle particle 7.5 Quantifoil R3.5/1 COPPER 200 CARBON CONTINUOUS 3.0 ETHANE 100 277 FEI VITROBOT MARK IV TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.5 1.5 81000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GIF Quantum SE 20 GATAN K3 (6k x 4k) 88900 3.0 40.0 1 12714020 Warp 1.0.9 PHASE FLIPPING AND AMPLITUDE CORRECTION 3.4 FSC 0.143 CUT-OFF RELION 5.0 40410 ANGULAR RECONSTITUTION cryoSPARC 4.7.1 MAXIMUM LIKELIHOOD RELION 5.0 emd_57807.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.00912357 0.058760125 0.00013190803 0.002350203 1.05 1.05 1.05 0.015 AUTHOR Refinement 8BVW PDB experimental model FLEXIBLE FIT REAL emd_57807_msk_1.map emd_57807_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.070982836 0.18406014 0.00021517147 0.0029698757 1.05 1.05 1.05 AUTHOR Postprocessed map emd_57807_additional_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.1129557 0.21180962 0.00012592744 0.0029395425 1.05 1.05 1.05 AUTHOR Local resolution filtered map emd_57807_additional_3.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 315.0 315.0 315.0 90.0 90.0 90.0 X Y Z -0.021342924 0.059350997 0.000015393576 0.001836442 1.05 1.05 1.05 AUTHOR Upstream complex focused refinement emd_57807_additional_4.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 209.99998 209.99998 209.99998 90.0 90.0 90.0 X Y Z -0.023997309 0.055559296 -0.00003059796 0.0022443433 1.05 1.05 1.05 AUTHOR TFIIF focused refinement emd_57807_additional_5.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.017691065 0.060496613 -0.000116004594 0.0012154413 1.05 1.05 1.05 AUTHOR Active site focused refinement emd_57807_additional_6.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 0 0 0 200 200 200 209.99998 209.99998 209.99998 90.0 90.0 90.0 X Y Z -0.019531947 0.041456956 0.0011335067 0.002295879 1.05 1.05 1.05 AUTHOR TFIIE focused refinement emd_57807_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.019783124 0.07797169 0.00014294819 0.002866094 1.05 1.05 1.05 AUTHOR Half map 1 emd_57807_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 480 480 480 0 0 0 480 480 480 503.99997 503.99997 503.99997 90.0 90.0 90.0 X Y Z -0.023423983 0.07628105 0.00012924738 0.0028292576 1.05 1.05 1.05 AUTHOR Half map 2