2026-03-04 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2024-12-04 2025-12-17 2025-12-17 2026-03-04 Knut and Alice Wallenberg Foundation Sweden Translational activators Aep1, Aep2 and Atp25 in complex with mRNA and the yeast mitochondrial ribosome (focused on the SSU body) Carlstrom A Rovsnik U Ott M Mitoribosome, translation, RIBOSOME Bridgers JB Carlstrom A Sherpa D Couvillion MT Rovsnik U Gao J Wan B Shao S Ott M Churchman LS Translational activators align mRNAs at the small mitoribosomal subunit for translation initiation. Nat.Struct.Mol.Biol. US 33 245 258 2026 41339860 doi:10.1038/s41594-025-01726-y 1545-9985 EMDB EMD-52252 associated EM volume Yeast 74S mitochondrial ribosome Yeast 74S mitochondrial ribosome 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Saccharomyces cerevisiae W303 37S mitochondrial ribosome small subunit 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 38 39 Saccharomyces cerevisiae 54S mitochondrial ribosome large subunit 1 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 Saccharomyces cerevisiae W303 singleParticle particle 7.4 ETHANE 100 277 FEI VITROBOT MARK IV TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.4 2.6 165000.0 GATAN K3 (6k x 4k) 38.0 1 cryoSPARC 4.3.1 PHASE FLIPPING AND AMPLITUDE CORRECTION 5MRC 2.96 FSC 0.143 CUT-OFF 41190 MAXIMUM LIKELIHOOD cryoSPARC 4.3.1 MAXIMUM LIKELIHOOD cryoSPARC 4.3.1 emd_52252.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 640 640 640 0 0 0 640 640 640 529.92 529.92 529.92 90.0 90.0 90.0 X Y Z -0.50685865 1.0105733 0.00019406537 0.03340286 0.82799995 0.82799995 0.82799995 0.16 AUTHOR 5MRC PDB experimental model
Large subunit and tRNA in E-site
 8OM4 PDB experimental model
Small subunit
 AlphaFold in silico model
Aep1, Aep2 and Atp25
 emd_52252_msk_1.map emd_52252_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 640 640 640 0 0 0 640 640 640 529.92 529.92 529.92 90.0 90.0 90.0 X Y Z -2.6101573 2.5816898 0.00082414935 0.29839858 0.82799995 0.82799995 0.82799995 AUTHOR emd_52252_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 640 640 640 0 0 0 640 640 640 529.92 529.92 529.92 90.0 90.0 90.0 X Y Z -2.767758 2.6986973 0.0008048308 0.29794362 0.82799995 0.82799995 0.82799995 AUTHOR