2020-01-29 REL RCSB RCSB RCSB 2016-10-25 2016-11-16 2016-12-14 2020-01-29 Jane Coffin Childs Foundation post-doctoral fellowship United States Leona M. and Harry B. Helmsley Charitable Trust Grant 2012-PG-MED002 United States National Institute of Aging K99 transitional award AG050749 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM053757 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM103310 United States Agency for Science, Technology and Research Singapore Singapore Simons Foundation 349247 United States Tan Y Davis JH Lyumkis D Davis JH Tan YZ Carragher B Potter CS Lyumkis D Williamson JR Cell 167 1610 1622.e15 2016 27912064 doi:10.1016/j.cell.2016.11.020 1097-4172 EMD-8441 associated EM volume EMD-8447 other EM volume EMD-8446 other EM volume EMD-8445 other EM volume EMD-8444 other EM volume EMD-8443 other EM volume EMD-8442 other EM volume EMD-8440 other EM volume EMD-8452 other EM volume EMD-8451 other EM volume EMD-8450 other EM volume EMD-8449 other EM volume EMD-8448 other EM volume EMD-8453 other EM volume EMD-8455 other EM volume EMD-8456 other EM volume EMD-8457 other EM volume bL17-depleted large ribosomal subunit assembly intermediate - Class C bL17-depleted large ribosomal subunit assembly intermediate - Class C 0

E. coli large ribosome subunit purified from bL17-depleted cells.

Escherichia coli NCM3722 rplQ::cat, pHSL-rplQ singleParticle particle 7.5 50.0 C4H11NO3 Tris Hydrochloride 100.0 NH4Cl Ammonium Chloride 10.0 MgCl2 Magnesium Chloride 0.5 C10H16N2O8 Ethylenediaminetetraacetic Acid 6.0 C2H6OS Beta-mercaptoethanol

Most of the sucrose was removed by spin concentration

C-Flat CF-1.2/1.3-4Au GOLD 400 PLASMA CLEANING OTHER ETHANE 80 298 GATAN CRYOPLUNGE 3

3 microliter of the sample was added..

Fraction was obtained directly from a sucrose gradient, and was spin-concentrated in a 100 kDa MW-cutoff filter.

FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 100.0 2.7 1.0 3.5 22500.0 38167.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN

In order to account for highly preferred orientation of the specimen, data was acquired using tilts ranging from 10-60 degrees, in addition to untilted images at 0 degrees. The CTF was estimated on a per-particle basis to account for the gradient of CTF values across individual micrographs

GATAN K2 SUMMIT (4k x 4k) COUNTING 3710 3838 5.0 1-50 2 2479 10.0 34.27 1 447017

84028 particles were initially picked with DoG picker. These particles were put through 2D classification. Good class 2D class averages then served as templates for FindEM. FindEM picked a total of 447017 particles.

CTFFIND 3 CTFTILT Gctf 0.5 Appion Ab initio model was produced from the 2D class averages using Optimod in the Appion pipeline. 1 C1 FOURIER SPACE 3.7 FSC 0.143 CUT-OFF FREALIGN 9.07 26195 PROJECTION MATCHING Xmipp PROJECTION MATCHING FREALIGN 9.07 15 8800 FREALIGN 9.07 emd_8441_msk_1.map emd_8441_additional.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 419.19998 419.19998 419.19998 90.0 90.0 90.0 X Y Z -0.034783907 0.13554071 -0.0013179815 0.005989181 1.31 1.31 1.31 AUTHOR ::::EMDATABANK.org::::EMD-8441:::: Class C bL17-Depleted 50S Ribosomal Biogenesis Intermediate - Unsharpened emd_8441_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 419.19998 419.19998 419.19998 90.0 90.0 90.0 X Y Z -0.32389474 0.46705663 -0.0026688913 0.026896233 1.31 1.31 1.31 EMDB ::::EMDATABANK.org::::EMD-8441:::: Class C bL17-Depleted 50S Ribosomal Biogenesis Intermediate - Halfmap 1 emd_8441_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 419.19998 419.19998 419.19998 90.0 90.0 90.0 X Y Z -0.32277542 0.46144634 -0.002573175 0.026792249 1.31 1.31 1.31 EMDB ::::EMDATABANK.org::::EMD-8441:::: Class C bL17-Depleted 50S Ribosomal Biogenesis Intermediate - Halfmap 2