2025-04-30 REL PDBe PDBe PDBe 2024-11-12 2025-04-23 2025-04-23 2025-04-30 German Research Foundation (DFG) EXC 2067/1- 390729940 Germany German Research Foundation (DFG) RI 2715/1- 1 Germany German Research Foundation (DFG) FOR2848 Germany German Research Foundation (DFG) SFB1190 Germany German Research Foundation (DFG) SFB1565 Germany European Research Council (ERC) 101116869 European Union Translation-initiation state of human mitochondrial ribosome small subunit (State D) Finke AF Heinrichs M Aibara S Richter-Dennerlein R Hillen HS mitochondrial ribosomal small subunit, translation-initiation intermediate, immature h44, single-particle cryo-EM, RIBOSOME Heinrichs M Finke AF Aibara S Krempler A Boshnakovska A Rehling P Hillen HS Richter-Dennerlein R Coupling of ribosome biogenesis and translation initiation in human mitochondria. Nat Commun UK 16 3641 3641 2025 40240327 doi:10.1038/s41467-025-58827-x 2041-1723 Translation-initiation state of human mitochondrial ribosome small subunit (State D) Translation-initiation state of human mitochondrial ribosome small subunit (State D) 0
Translation-initiation mtSSU intermediate with immature h44 and in complex with mtIF3.
Homo sapiens HEK293T 0.99 singleParticle particle 7.4 20.0 Hepes-HCl 100.0 Potassium chloride 20.0 Magnesium chloride 0.02 DDM 1.0 PMSF 1.0 protease-inhibitor mix 0.5 GMP-PNP
20mM HEPES-HCl, 100mM KCl, 20mM MgCl2, 0.02% DDM, 1mM PMSF, 1x protease-inhibitor mix, 0.5mM GMP-PNP
 Quantifoil R3.5/1 COPPER CARBON HOLEY CARBON CONTINUOUS GLOW DISCHARGE
The grid was precoated with a 2-3 nm carbon layer.
 ETHANE 95 277.15 FEI VITROBOT MARK IV
The sample was crosslinked with 0.15% glutaraldehyde for 10 min on ice. The reaction was stopped by adding 50 mM lysine pH 7.5 and 50 mM aspartate pH 7.5, and subsequently desalted against the final buffer prior to vitrification.
 TFS KRIOS OTHER BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.6 1.6 81000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K3 BIOCONTINUUM (6k x 4k) 3.0 40.0 1 5730547
ab initio reconstruction after 2D classification
 1 FOURIER SPACE 3.3 FSC 0.143 CUT-OFF cryoSPARC 4.4.1. 80262 MAXIMUM LIKELIHOOD RELION 3.0 MAXIMUM LIKELIHOOD RELION 3.0 3 109367.0 RELION 3.0 emd_52063.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 461.99997 461.99997 461.99997 90.0 90.0 90.0 X Y Z -1.7537451 3.2220745 0.00062957965 0.075081915 1.05 1.05 1.05 0.467 AUTHOR Head-focused map of state D emd_52063_msk_1.map emd_52063_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 461.99997 461.99997 461.99997 90.0 90.0 90.0 X Y Z -1.8967593 2.4169304 0.0015424312 0.2160942 1.05 1.05 1.05 AUTHOR Half-map 2 of head-focused map of state D emd_52063_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 440 440 440 0 0 0 440 440 440 461.99997 461.99997 461.99997 90.0 90.0 90.0 X Y Z -1.6044654 2.47565 0.0015531651 0.21706101 1.05 1.05 1.05 AUTHOR Half-map 1 of head-focused map of state D