1QCR: Ubiquinol cytochrome C oxidoreductase

Crystal structure of bovine mitochondrial cytochrome BC1 complex, alpha carbon atoms only. Determined by X-ray diffraction at 2.7 Å resolution. Released 14 Oct 1998.

Method
X-ray diffraction
Resolution
2.7 Å
Organism
Bos taurus
Chains
11
Atoms
1,926
Mol. weight
210.71 kDa
Ligands
HEM
Released
14 Oct 1998

Explore 1QCR in 3D Show helices and sheets RCSB PDB PDBe

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ubiquinol cytochrome C oxidoreductaseAprotein446Bos taurusP31800 (AlphaFold model)
Ubiquinol cytochrome C oxidoreductaseBprotein423Bos taurusP23004 (AlphaFold model)
Ubiquinol cytochrome C oxidoreductaseCprotein378Bos taurusP00157 (AlphaFold model)
Ubiquinol cytochrome C oxidoreductaseDprotein75Bos taurusP00125 (AlphaFold model)
Ubiquinol cytochrome C oxidoreductaseEprotein196Bos taurusP13272
Ubiquinol cytochrome C oxidoreductaseFprotein103Bos taurusP00129
Ubiquinol cytochrome C oxidoreductaseGprotein70Bos taurusP13271
Ubiquinol cytochrome C oxidoreductaseHprotein60Bos taurusP00126
Ubiquinol cytochrome C oxidoreductaseIprotein28Bos taurusP13272
Ubiquinol cytochrome C oxidoreductaseJprotein59Bos taurusP00130
Ubiquinol cytochrome C oxidoreductaseKprotein45Bos taurusP07552
Sequence of entity 1 (A), FASTA
>1QCR_1 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains A)
TATYAQALQSVPETQVSQLDNGLRVASEQSSQPTCTVGVWIDAGSRYESEKNNGAGYFVE
HLAFKGTKNRPGNALEKEVESMGAHLNAYSTREHTAYYIKALSKDLPKAVELLADIVQNC
SLEDSQIEKERDVILQELQENDTSMRDVVFNYLHATAFQGTPLAQSVEGPSENVRKLSRA
DLTEYLSRHYKAPRMVLAAAGGLEHRQLLDLAQKHFSGLSGTYDEDAVPTLSPCRFTGSQ
ICHREDGLPLAHVAIAVEGPGWAHPDNVALQVANAIIGHYDCTYGGGAHLSSPLASIAAT
NKLCQSFQTFNICYADTGLLGAHFVCDHMSIDDMMFVLQGQWMRLCTSATESEVLRGKNL
LRNALVSHLDGTTPVCEDIGRSLLTYGRRIPLAEWESRIAEVDARVVREVCSKYFYDQCP
AVAGFGPVEQLPDYNRIRSGMFWLRF
Sequence of entity 2 (B), FASTA
>1QCR_2 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains B)
VPPHPQDLEFTRLPNGLVIASLENYAPASRIGLFIKAGSRYENSNNLGTSHLLRLASSLT
TKGASSFKITRGIEAVGGKLSVTSTRENMAYTVECLRDDVDILMEFLLNVTTAPEFRRWE
VAALQPQLRIDKAVALQNPQAHVIENLHAAAYRNALANSLYCPDYRIGKVTPVELHDYVQ
NHFTSARMALIGLGVSHPVLKQVAEQFLNIRGGLGLSGAKAKYHGGEIREQNGDSLVHAA
LVAESAAIGSAEANAFSVLQHVLGAGPHVKRGSNATSSLYQAVAKGVHQPFDVSAFNASY
SDSGLFGFYTISQAASAGDVIKAAYNQVKTIAQGNLSNPDVQAAKNKLKAGYLMSVESSE
GFLDEVGSQALAAGSYTPPSTVLQQIDAVADADVINAAKKFVSGRKSMAASGNLGHTPFI
DEL
Sequence of entity 3 (C), FASTA
>1QCR_3 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains C)
TNIRKSHPLMKIVNNAFIDLPAPSNISSWWNFGSLLGICLILQILTGLFLAMHYTSDTTT
AFSSVTHICRDVNYGWIIRYMHANGASMFFICLYMHVGRGLYYGSYTFLETWNIGVILLL
TVMATAFMGYVLPWGQMSFWGATVITNLLSAIPYIGTNLVEWIWGGFSVDKATLTRFFAF
HFILPFIIMAIAMVHLLFLHETGSNNPTGISSDVDKIPFHPYYTIKDILGALLLILALML
LVLFAPDLLGDPDNYTPANPLNTPPHIKPEWYFLFAYAILRSIPNKLGGVLALAFSILIL
ALIPLLHTSKQRSMMFRPLSQCLFWALVADLLTLTWIGGQPVEHPYITIGQLASVLYFLL
ILVLMPTAGTIENKLLKW
Sequence of entity 4 (D), FASTA
>1QCR_4 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains D)
EVLEFDDGTPATMSQVAKDVCTFLRWAAEPEHDHRKRMGLKMLLMMGLLLPLVYAMKRHK
WSVLKSRKLAYRPPK
Sequence of entity 5 (E), FASTA
>1QCR_5 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains E)
SHTDIKVPDFSDYRRPEVLDSTKSSKESSEARKGFSYLVTATTTVGVAYAAKNVVSQFVS
SMSASADVLAMSKIEIKLSDIPEGKNMAFKWRGKPLFVRHRTKKEIDQEAAVEVSQLRDP
QHDLERVKKPEWVILIGVCTHLGCVPIANAGDFGGYYCPCHGSHYDASGRIRKGPAPLNL
EVPSYEFTSDDMVIVG
Sequence of entity 6 (F), FASTA
>1QCR_6 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains F)
ASSRWLEGIRKWYYNAAGFNKLGLMRDDTIHENDDVKEAIRRLPENLYDDRVFRIKRALD
LSMRQQILPKEQWTKYEEDKSYLEPYLKEVIRERKEREEWAKK
Sequence of entity 7 (G), FASTA
>1QCR_7 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains G)
GRQFGHLTRVRHVITYSLSPFEQRAFPHYFSKGIPNVLRRTRACILRVAPPFVAFYLVYT
WGTQEFEKSK
Sequence of entity 8 (H), FASTA
>1QCR_8 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains H)
TTVREQCEQLEKCVKARERLELCDERVSSRSQTEEDCTEELLDFLHARDHCVAHKLFNSL
Sequence of entity 9 (I), FASTA
>1QCR_9 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains I)
GVAGALRPLVQAAVPATSESPVLDLKRS
Sequence of entity 10 (J), FASTA
>1QCR_10 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains J)
TLTARLYSLLFRRTSTFALTIVVGALFFERAFDNGADAIYEHINEGKLWKHIKHKYENK
Sequence of entity 11 (K), FASTA
>1QCR_11 UBIQUINOL CYTOCHROME C OXIDOREDUCTASE (chains K)
MLTRFLGPRYRQLARNWVPTAQLWGAVGAVGLVSATDSRLILDWV

Ligands and cofactors

IDNameFormulaCopies
HEMProtoporphyrin IX containing FEC34 H32 Fe N4 O41

Primary citation

Crystal structure of the cytochrome bc1 complex from bovine heart mitochondria. Xia, D., Yu, C.A., Kim, H. et al. Science (1997) 277:60-66. DOI 10.1126/science.277.5322.60 · PubMed

Other PDB entries of the same protein (UniProt P31800 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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