2026-05-06 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY RCSB RCSB 2024-05-07 2025-05-21 2025-05-21 2026-05-06 Department of Defense (DOD, United States) W911NF-21-1-0359 United States Tethered respiratory III2IV2 supercomplex from Saccharomyces cerevisiae, CIVb local refinement Eldeeb MH Carlstrom A Berndtsson J Ott M Fontanesi F Complex, Oxidoreductase, Respiration, ELECTRON TRANSPORT Eldeeb MH Cosner Z Carlstrom A Mays JN Rodriguez GF Berndtsson J Ott M Fontanesi F Mitochondrial respirasome-like supercomplexes support metabolic flexibility in yeast. Nat Commun UK 2026 42014734 doi:10.1038/s41467-026-72228-8 2041-1723 EMD-44770 consensus EM volume EMD-44774 focused EM volume PDB 9BPB unspecified EMDB EMD-44770 consensus EM volume EMDB EMD-44774 focused EM volume EMDB EMD-44775 associated EM volume Tethered supercomplex Tethered supercomplex 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Saccharomyces cerevisiae W303 Ubiquinol-cytochrome c oxidoreductase 1 1 2 3 4 5 6 7 8 9 10 Saccharomyces cerevisiae W303 Cytochrome c oxidase 1 11 12 13 14 15 16 17 18 19 20 21 Saccharomyces cerevisiae W303 singleParticle particle 0.4 7.5 10.0 C4H11NO3 Tris-HCl pH 7.5 150.0 NaCl Sodium chloride 1.0 C7H7FO2S Phenylmethylsulfonyl fluoride (PMSF) 1.0 C10H16N2O8 Ethylenediaminetetraacetic acid (EDTA) 0.1 C56H92O29 Digitonin 150.0 C120H169N31O49S 3X FLAG peptide Quantifoil R2/2 COPPER 300 CARBON HOLEY GLOW DISCHARGE AIR
The grid was covered in a 3 nm ultrathin carbon film
 ETHANE 100 FEI VITROBOT MARK IV
3 uL of sample, 5 s blot time, 30 s hold time, 0 blot force..
TFS KRIOS SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 300 50.0 2.7 0.8 2.2 105000.0 NITROGEN 20 GATAN K3 (6k x 4k) 1 12211 2.6 55.452
Images were collected as movies composed of 40 frames.
 1 1646359 cryoSPARC 4.2 PHASE FLIPPING AND AMPLITUDE CORRECTION
Initial model for refinement was generated ab-initio in cryoSPARC.
 1 C1 2.78 FSC 0.143 CUT-OFF cryoSPARC 4.2 47746 MAXIMUM LIKELIHOOD cryoSPARC 4.2 MAXIMUM LIKELIHOOD cryoSPARC 4.2
Local refinement after particle subtraction
 5 9785.0 cryoSPARC 4.2
Classification was performed in 3D to remove junk particles from the dataset. The final round of classification used 48,925 particles, with 48,218 ultimately being used for refinement of the predominant class.
 emd_44775.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 450 450 450 0 0 0 450 450 450 508.05 508.05 508.05 90.0 90.0 90.0 X Y Z -1.8561381 2.8251507 -0.0012949379 0.07304206 1.129 1.129 1.129 0.45 AUTHOR Tethered respiratory supercomplex from Saccharomyces cerevisiae, CIVb local refinement 6YMX PDB experimental model REAL emd_44775_msk_1.map emd_44775_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 450 450 450 0 0 0 450 450 450 508.05 508.05 508.05 90.0 90.0 90.0 X Y Z -2.6763475 2.540042 0.00022051668 0.27350968 1.129 1.129 1.129 AUTHOR Tethered respiratory supercomplex from Saccharomyces cerevisiae, CIVb local refinement half map B emd_44775_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 450 450 450 0 0 0 450 450 450 508.05 508.05 508.05 90.0 90.0 90.0 X Y Z -2.2942457 2.553202 0.0002365261 0.27232754 1.129 1.129 1.129 AUTHOR Tethered respiratory supercomplex from Saccharomyces cerevisiae, CIVb local refinement half map A