2025-12-17 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY PDBe PDBe 2024-06-04 2025-12-17 2025-12-17 2025-12-17 Medical Research Council (MRC, United Kingdom) MC_UU_00015/2 and MC_UU_00028/1 United Kingdom Respiratory supercomplex CIII2-CIV2 from alphaproteobacterium Yaikhomba M Hirst J Croll TI Spikes TE Agip ANA Supercomplex, multi-subunit membrane protein complex, electron transport chain, native purification, ELECTRON TRANSPORT Yaikhomba M Hirst J Croll TI Spikes TE Minimal supercomplexes in alphaproteobacteria reveal conserved structural mechanisms for efficient respiration To Be Published 0353 EMD-51024 consensus EM volume
Respiratory supercomplex CIII2-CIV2 (C1 symmetry) from alphaproteobacterium
 9fks FULLOVERLAP EMDB EMD-50526 associated EM volume
Respiratory supercomplex CIII2-CIV2 from alphaproteobacterium
 EMDB EMD-51024 consensus EM volume
Respiratory supercomplex CIII2-CIV2 (C1 symmetry) from alphaproteobacterium
 Respiratory supercomplex CIII2-CIV2 from alphaproteobacterium Respiratory supercomplex CIII2-CIV2 from alphaproteobacterium 0 1 2 3 4 5 6 7 8 Paracoccus denitrificans PD1222 Alphaproteobacterial respiratory complex III (ubiquinone-cytochrome c oxidoreductase, cytochrome bc1) 1 1 2 3 Paracoccus denitrificans PD1222 Alphaproteobacterial respiratory complex IV (Cytochrome c oxidase, aa3-type) 1 4 5 6 7 Paracoccus denitrificans PD1222 Transmembrane-anchored cytochrome c (c552) 1 8 Paracoccus denitrificans PD1222 Cytochrome b Paracoccus denitrificans PD1222 0.050154726999999996 2 LEVO MAGIPHDHYEPKTGFERWLHRRLPIVSLVYDTLMIPTPKNLNWWWIWGIVLAFCLVLQIATGIVLVMHYTPHVDLAFASV EHIMRDVNGGYMLRYLHANGASLFFLAVYIHIFRGLYYGSYKAPREVTWIVGMLIYLMMMGTAFMGYVLPWGQMSFWGAT VITGLFGAIPGVGEAIQTWLLGGPAVDNPTLNRFFSLHYLLPFVIAALVVVHIWAFHTTGNNNPTGVEVRRGSKEEAKKD TLPFWPYFVIKDLFALAVVLVVFFAIVGFMPNYLGHPDNYIEANPLVTPAHIVPEWYFLPFYAILRAFTADVWVVMLVNW LSFGIIDAKFFGVIAMFGAILVMALVPWLDTSRVRSGQYRPLFKWWFWLLAVDFVVLMWVGAMPAEGIYPYIALAGSAYW FAYFLIILPLLGIIEKPDAMPQTIEEDFNAHYGPETHPAE A1B4F3 Cytochrome c1 Paracoccus denitrificans PD1222 0.046904332 2 LEVO MTLRNASLTAVAALTVALAGGAVAQDASTAPGTTAPAGSSYHTNEAAPAAADTAPAAEAADEPAAEEAEAGEAEVTEEPA ATETPAEEPAADEPAATEEPDAEAEPAAEEAQATTEEAPAEEPAAEEPAAEEPAEEPAADAPAEEAAAEEAPAEPEAAAE EPAAEEPEATEEEAPAEEAAAEEAPAEEVVEDEAAADHGDAAAQEAGDSHAAAHIEDISFSFEGPFGKFDQHQLQRGLQV YTEVCSACHGLRYVPLRTLADEGGPQLPEDQVRAYAANFDITDPETEEDRPRVPTDHFPTVSGEGMGPDLSLMAKARAGF HGPYGTGLSQLFNGIGGPEYIHAVLTGYDGEEKEEAGAVLYHNAAFAGNWIQMAAPLSDDQVTYEDGTPATVDQMATDVA AFLMWTAEPKMMDRKQVGFVSVIFLIVLAALLYLTNKKLWQPIKHPRKPE A1B4F4 Ubiquinol-cytochrome c reductase iron-sulfur subunit Paracoccus denitrificans PD1222 0.020889236 2 LEVO MEIKPVSHADEHAGDHGATRRDFLYYATAGAGTVAAGAAAWTLVNQMNPSADVQALASIQVDVSGVETGTQLTVKWLGKP VFIRRRTEDEIQAGREVDLGQLIDRSAQNSNKPDAPATDENRTMDEAGEWLVMIGVCTHLGCVPIGDGAGDFGGWFCPCH GSHYDTSGRIRRGPAPQNLHIPVAEFLDDTTIKLG A1B4F2 7.1.1.8 Cytochrome c oxidase subunit 1 Paracoccus denitrificans PD1222 0.06248664499999999 2 LEVO MADAAVHGHGDHHDTRGFFTRWFMSTNHKDIGILYLFTAGIVGLISVCFTVYMRMELQHPGVQYMCLEGARLIADASAEC TPNGHLWNVMITYHGVLMMFFVVIPALFGGFGNYFMPLHIGAPDMAFPRLNNLSYWMYVCGVALGVASLLAPGGNDQMGS GVGWVLYPPLSTTEAGYSMDLAIFAVHVSGASSILGAINIITTFLNMRAPGMTLFKVPLFAWSVFITAWLILLSLPVLAG AITMLLMDRNFGTQFFDPAGGGDPVLYQHILWFFGHPEVYIIILPGFGIISHVISTFAKKPIFGYLPMVLAMAAIGILGF VVWAHHMYTAGMSLTQQAYFMLATMTIAVPTGIKVFSWIATMWGGSIEFKTPMLWAFGFLFLFTVGGVTGVVLSQAPLDR VYHDTYYVVAHFHYVMSLGAVFGIFAGVYYWIGKMSGRQYPEWAGQLHFWMMFIGSNLIFFPQHFLGRQGMPRRYIDYPV EFAYWNNISSIGAYISFASFLFFIGIVFYTLFAGKRVNVPNYWNEHADTLEWTLPSPPPEHTFETLPKREDWDRAHAH A1B3D7 7.1.1.9 Cytochrome c oxidase subunit 2 Paracoccus denitrificans PD1222 0.032563642999999996 2 LEVO MMAIATKRRGVAAVMSLGVATMTAVPALAQDVLGDLPVIGKPVNGGMNFQPASSPLAHDQQWLDHFVLYIITAVTIFVCL LLLICIVRFNRRANPVPARFTHNTPIEVIWTLVPVLILVAIGAFSLPILFRSQEMPNDPDLVIKAIGHQWYWSYEYPNDG VAFDALMLEKEALADAGYSEDEYLLATDNPVVVPVGKKVLVQVTATDVIHAWTIPAFAVKQDAVPGRIAQLWFSVDQEGV YFGQCSELCGINHAYMPIVVKAVSQEKYEAWLAGAKEEFAADASDYLPASPVKLASAE A1BA41 7.1.1.9 cytochrome-c oxidase Paracoccus denitrificans PD1222 0.030833161999999997 2 LEVO MAHVKNHDYQILPPSIWPFFGAIGAFVMLTGAVAWMKGITFFGLPVEGPWMFLIGLVGVLYVMFGWWADVVNEGETGEHT PVVRIGLQYGFILFIMSEVMFFVAWFWAFIKNALYPMGPDSPIKDGVWPPEGIVTFDPWHLPLINTLILLLSGVAVTWAH HAFVHEGDRKTTINGLIVAVILGVCFTGLQAYEYSHAAFGLADTVYAGAFYMATGFHGAHVIIGTIFLFVCLIRLLKGQM TQKQHVGFEAAAWYWHFVDVVWLFLFVVIYIWGR A1BA37 7.1.1.9 Aa3 type cytochrome c oxidase subunit IV Paracoccus denitrificans PD1222 0.007351497 2 LEVO MGYPCARRIASFTDRIMASHHEITDHKHGEMDIRHQQATFAGFIKGATWVSILSIAVLVFLALANS A1AZ52 Cytochrome c, class I Paracoccus denitrificans PD1222 0.018177405999999997 2 LEVO MFDTMTVTKAAGALIGSLLFLLLMSWAASGIFHVGTSGHGAEGEEHAQAYTIPVESAGGAEGEAVDEGPDFATVLASADP AAGEKVFGKCKACHKLDGNDGVGPHLNGVVGRTVAGVDGFNYSDPMKAHGGDWTPEALQEFLTNPKAVVKGTKMAFAGLP KIEDRANLIAYLEGQQ A1B311 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE 0.0007901449999999999 12 PC1 UBIQUINONE-10 0.0008633429999999999 4 U10 PROTOPORPHYRIN IX CONTAINING FE 0.000616487 4 HEM CALCIUM ION 4.0078e-05 4 CA HEME C 0.0006185030000000001 2 HEC 1,2-Distearoyl-sn-glycerophosphoethanolamine 0.000748065 13 3PE 2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diol 0.0005167519999999999 11 DU0 FE2/S2 (INORGANIC) CLUSTER 0.00017581999999999998 2 FES 1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE 0.000704998 10 3PH CARDIOLIPIN 0.0014640429999999997 1 CDL HEME-A 0.000852837 4 HEA COPPER (II) ION 6.354599999999999e-05 2 CU MANGANESE (II) ION 5.4938e-05 2 MN DINUCLEAR COPPER ION 0.00012709199999999998 2 CUA ZINC ION 6.5409e-05 2 ZN singleParticle particle 2.5 7.5 ETHANE FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.9 2.7 GATAN K2 QUANTUM (4k x 4k) COUNTING 55.2 1 NONE C2 4.31 FSC 0.143 CUT-OFF 10322 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_50526.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 375 375 375 0 0 0 375 375 375 393.0 393.0 393.0 90.0 90.0 90.0 X Y Z -0.028444044 0.076803245 -0.00019913552 0.0030814873 1.048 1.048 1.048 0.018 AUTHOR This postprocessed .mrc file has been trimmed to a smaller box size of 375 pixels. This differs from that of the half-maps which has an untrimmed box size of 600 pixels and rescaled to 1.048 A/pix. emd_50526_msk_1.map emd_50526_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 -113 -113 -113 600 600 600 642.00006 642.00006 642.00006 90.0 90.0 90.0 X Y Z -0.03244327 0.062656894 -0.00019156284 0.0036824213 1.07 1.07 1.07 AUTHOR One of the 2 half maps obtained from the 3D refinement procedure. The pixel size (1.07) here is the nominal one. The box size of this half map, 600 pixels, is not trimmed. emd_50526_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 -113 -113 -113 600 600 600 642.00006 642.00006 642.00006 90.0 90.0 90.0 X Y Z -0.030420404 0.061680116 -0.00018503828 0.0037490183 1.07 1.07 1.07 AUTHOR One of the 2 half maps obtained from the 3D refinement procedure. The pixel size (1.07) here is the nominal one. The box size of this half map, 600 pixels, is not trimmed.