EMPIAR-12339
CryoEM of E. coli RNA polymerase and lambda PR promoter DNA 500 ms after mixing (8 mM CHAPSO) [27923 multi-frame micrographs composed of 50 frames each in TIFF format]
Publication:

Early intermediates in bacterial RNA polymerase promoter melting visualized by time-resolved cryo-electron microscopy

Saecker RM, Mueller AU, Malone B, Chen J, Budell WC, Dandey VP, Maruthi K, Mendez JH, Molina N, Eng ET, Yen LY, Potter CS, Carragher B, Darst SA

Nature structural & molecular biology (2024)

PMID: 38951624

Related EMDB entry:
Deposited:
2024-10-07
Released:
2025-01-17
Last modified:
2025-01-17
Imageset size:
5.89 TB
Imageset DOI:
Experimental metadata:
Download xml json
Contains:
  • micrographs - multiframe
1. Unaligned raw movies
Category:
micrographs - multiframe
Image format:
TIFF
No. of images or tilt series:
27923
Image size:
(5760, 4092)
Pixel type:
UNSIGNED BYTE
Pixel spacing:
(0.844, 0.844)
Details:
FEI Titan Krios + Gatan K3, counting mode, BioQuantum energy filter 20 eV slit, Cs accelerating voltage 300 kV; dose rate 41.86 e-/ A^2/s, frame time 0.03 s (50 frames) with total exposure of 1.5 s, total dose of 62.79 e-/A^2; pixel size 0.844 A/px(detector); pixel size 0.422 A/px(image); defocus range -0.8 to -2.5 um; gain reference is 21dec23a_26102237_13_4092x5760_norm_0.mrc (see references folder). The entry contains all movies (27,923) collected during the Krios session. In the publication, only a subset of movies (14056 tiffs containing *b3g2*) were processed in detail.
Files:
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