7AK5: NADH-ubiquinone oxidoreductase chain 3

Cryo-EM structure of respiratory complex I in the deactive state from Mus musculus at 3.2 A. Determined by electron microscopy at 3.17 Å resolution. Released 3 Feb 2021.

Method
Electron microscopy
Resolution
3.17 Å
Organism
Mus musculus
Chains
45
Atoms
65,895
Mol. weight
1063.25 kDa
Ligands
EHZ, ZN, NDP, ATP
Released
3 Feb 2021

Explore 7AK5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7AK5 contains 401 α-helices and 188 β-strands across 45 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain a: 3 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix2-43
α-helix6-3025
α-helix42-5514
Chain A: 4 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix2-2322
α-helix53-7220
α-helix75-784
α-helix84-10724
Chain b: 4 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix2-1413
α-helix16-3419
α-helix39-479
β-strand56-57266
α-helix78-825
Chain B: 12 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix36-5318
β-strand57-6151
α-helix67-737
α-helix79-813
β-strand95-9951
α-helix101-1022
β-strand10312
α-helix107-11610
α-helix1181
β-strand122-12651
α-helix128-1325
α-helix134-1363
β-strand14212
α-helix146-1483
β-strand154-15631
α-helix161-1622
α-helix163-17816
α-helix182-1876
Chain c: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix8-103
α-helix14-4633
Chain C: 5 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand1113
α-helix16-3217
β-strand38-4254
β-strand48-5144
α-helix57-6610
β-strand74-8294
β-strand90-9894
β-strand103-11194
β-strand11215
β-strand11515
β-strand117-11826
α-helix127-13812
β-strand142-14326
β-strand172-17767
β-strand182-18767
β-strand19018
α-helix193-1953
α-helix207-2093
Chain d: 6 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix16-183
α-helix22-254
α-helix29-4921
α-helix58-9639
α-helix102-1043
β-strand108114
α-helix114-1163
Chain D: 21 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix8-114
α-helix12-143
β-strand1819
β-strand49-51310
β-strand63-69710
β-strand72-79810
α-helix87-904
α-helix91-933
α-helix101-1055
α-helix112-12615
β-strand12813
α-helix132-16130
α-helix165-18521
β-strand194-195211
β-strand198-199211
α-helix202-2043
α-helix208-22922
α-helix233-2397
α-helix247-2537
α-helix258-2614
α-helix277-2804
β-strand285-287312
α-helix293-31624
β-strand324111
α-helix332-3343
α-helix335-3406
α-helix342-35312
β-strand361-369913
β-strand372-380913
β-strand386-392713
α-helix394-40512
α-helix411-4199
α-helix426-4294

37 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NADH-ubiquinone oxidoreductase chain 3Aprotein115Mus musculusP03899 (AlphaFold model)
NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrialBprotein224Mus musculusQ9DC70 (AlphaFold model)
NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrialCprotein263Mus musculusQ9DCT2 (AlphaFold model)
NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrialDprotein463Mus musculusQ91WD5 (AlphaFold model)
NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrialEprotein245Mus musculusQ9D6J6
NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrialFprotein464Mus musculusQ91YT0
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrialGprotein715Mus musculusQ91VD9
NADH-ubiquinone oxidoreductase chain 1Hprotein318Mus musculusP03888
NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrialIprotein212Mus musculusQ8K3J1
NADH-ubiquinone oxidoreductase chain 6Jprotein172Mus musculusP03925
NADH-ubiquinone oxidoreductase chain 4LKprotein98Mus musculusP03903
NADH-ubiquinone oxidoreductase chain 5Lprotein607Mus musculusP03921

32 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>7AK5_1 NADH-ubiquinone oxidoreductase chain 3 (chains A)
MNLYTVIFINILLSLTLILVAFWLPQMNLYSEKANPYECGFDPTSSARLPFSMKFFLVAI
TFLLFDLEIALLLPLPWAIQTIKTSTMMIMAFILVTILSLGLAYEWTQKGLEWTE
Sequence of entity 2 (B), FASTA
>7AK5_2 NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial (chains B)
MAALAAPGLLSVRILGLRTAQVQLRRVHQSVATEGPSPSPSPSLSSTQSAVSKAGAGAVV
PKLSHLPRSRAEYVVTKLDDLINWARRSSLWPMTFGLACCAVEMMHMAAPRYDMDRFGVV
FRASPRQADVMIVAGTLTNKMAPALRKVYDQMPEPRYVVSMGSCANGGGYYHYSYSVVRG
CDRIVPVDIYVPGCPPTAEALLYGILQLQRKIKREQKLKIWYRR
Sequence of entity 3 (C), FASTA
>7AK5_3 NADH dehydrogenase [ubiquinone] iron-sulfur protein 3, mitochondrial (chains C)
MAAAAARVWCRGLLGAASVGRGAGRPSVLWQHVRRESAAADKRPTVRPRSDVTHKQLSAF
GEYVAEILPKYVQQVQVSCLDELEICIHPDGVIPTLTFLRDHTNAQFKSLADLTAVDVPT
RQNRFEIVYNLLSLRFNSRIRVKTYADELTPIDSIVSVHIAANWYEREVWDMFGVFFFNH
PDLRRILTDYGFEGHPFRKDFPLTGYVELRYDDEVKRVVAEPVELAQEFRKFDLNSPWEA
FPAYRQPPESLKLEAGDKKPETK
Sequence of entity 4 (D), FASTA
>7AK5_4 NADH dehydrogenase [ubiquinone] iron-sulfur protein 2, mitochondrial (chains D)
MAALRALRCLRGVGAPVLRPGSGIRLPSQPSRGARQWQPDIEWAEQFSGAVMYPSKETAH
WKPPPWNDVDILKEKAVTNMTLNFGPQHPAAHGVLRLVLELSGEMVRKCDPHIGLLHRGT
EKLIEYKTYLQALPYFDRLDYVSMMCNEQAYSIAVEKLLNIQPPPRAQWIRVLFGEITRI
LNHIMAVTTHALDIGAMTPFFWMFEEREKMFEFYERVSGARMHAAYIRPGGVHQDLPLGL
LDDIYEFSKNFSLRIDEVEEMLTNNRIWRNRTVDIGVVTAEDALNYGFSGVMLRGSGIQW
DLRKTQPYDVYDQVEFDVPIGSRGDCYDRYLCRVEEMRQSLRIIEQCLNKMPPGEIKVDD
AKVSPPKRAEMKTSMESLIHHFKLYTEGYQVPPGATYTAIEAPKGEFGVYLVSDGSSRPY
RCKIKAPGFAHLAGLDKMSKGHMLADVVAIIGTQDIVFGEIDR
Sequence of entity 5 (E), FASTA
>7AK5_5 NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial (chains E)
MFSLALRARATGLAAQWGRHARNLHKTAVHNGAGGALFVHRDTPENNPDTPFDFTPENYK
RIEAIVKNYPEGHQAAAVLPVLDLAQRQNGWLPISAMNKVAEVLQVPPMRVYEVATFYTM
YNRKPVGKYHIQVCTTTPCMLRDSDSILETLQRKLGIKVGETTPDKLFTLIEVECLGACV
NAPMVQINDNYYEDLTPKDIEEIIDELKAGKVPKPGPRSGRFCCEPAGGLTSLTEPPKGP
GFGVQ
Sequence of entity 6 (F), FASTA
>7AK5_6 NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial (chains F)
MLAARHFLGGLVPVRVSVRFSSGTTAPKKTSFGSLKDEDRIFTNLYGRHDWRLKGALRRG
DWYKTKEILLKGPDWILGEMKTSGLRGRGGAGFPTGLKWSFMNKPSDGRPKYLVVNADEG
EPGTCKDREIMRHDPHKLVEGCLVGGRAMGARAAYIYIRGEFYNEASNLQVAIREAYEAG
LIGKNACGSDYDFDVFVVRGAGAYICGEETALIESIEGKQGKPRLKPPFPADVGVFGCPT
TVANVETVAVSPTICRRGGTWFAGFGRERNSGTKLFNISGHVNHPCTVEEEMSVPLKELI
EKHAGGVTGGWDNLLAVIPGGSSTPLIPKSVCETVLMDFDALVQAQTGLGTAAVIVMDRS
TDIVKAIARLIEFYKHESCGQCTPCREGVDWMNKVMARFVKGDARPAEIDSLWEISKQIE
GHTICALGDGAAWPVQGLIRHFRPELEDRMQRFAQQHRAWQAAS
Sequence of entity 7 (G), FASTA
>7AK5_7 NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial (chains G)
MLRIPIKRALIGLSNSPKGYVRTTGTAASNLIEVFVDGQSVMVEPGTTVLQACEKVGMQI
PRFCYHERLSVAGNCRMCLVEIEKAPKVVAACAMPVMKGWNILTNSEKSKKAREGVMEFL
LANHPLDCPICDQGGECDLQDQSMMFGSDRSRFLEGKRAVEDKNIGPLVKTIMTRCIQCT
RCIRFASEIAGVDDLGTTGRGNDMQVGTYIEKMFMSELSGNVIDICPVGALTSKPYAFTA
RPWETRKTESIDVMDAVGSNIVVSTRTGEVMRILPRMHEDINEEWISDKTRFAYDGLKRQ
RLTEPMVRNEKGLLTYTSWEDALSRVAGMLQNFEGNAVAAIAGGLVDAEALVALKDLLNK
VDSDNLCTEEIFPTEGAGTDLRSNYLLNTTIAGVEEADVVLLVGTNPRFEAPLFNARIRK
SWLHNDLKVALIGSPVDLTYRYDHLGDSPKILQDIASGRHSFCEVLKDAKKPMVVLGSSA
LQRDDGAAILVAVSNMVQKIRVTTGVAAEWKVMNILHRIASQVAALDLGYKPGVEAIRKN
PPKMLFLLGADGGCITRQDLPKDCFIVYQGHHGDVGAPMADVILPGAAYTEKSATYVNTE
GRAQQTKVAVTPPGLAREDWKIIRALSEIAGITLPYDTLDQVRNRLEEVSPNLVRYDDIE
ETNYFQQASELAKLVNQEVLADPLVPPQLTIKDFYMTDSISRASQTMAKCVKAVT
Sequence of entity 8 (H), FASTA
>7AK5_8 NADH-ubiquinone oxidoreductase chain 1 (chains H)
MFFINILTLLVPILIAMAFLTLVERKILGYMQLRKGPNIVGPYGILQPFADAMKLFMKEP
MRPLTTSMSLFIIAPTLSLTLALSLWVPLPMPHPLINLNLGILFILATSSLSVYSILWSG
WASNSKYSLFGALRAVAQTISYEVTMAIILLSVLLMNGSYSLQTLITTQEHMWLLLPAWP
MAMMWFISTLAETNRAPFDLTEGESELVSGFNVEYAAGPFALFFMAEYTNIILMNALTTI
IFLGPLYYINLPELYSTNFMMEALLLSSTFLWIRASYPRFRYDQLMHLLWKNFLPLTLAL
CMWHISLPIFTAGVPPYM
Sequence of entity 9 (I), FASTA
>7AK5_9 NADH dehydrogenase [ubiquinone] iron-sulfur protein 8, mitochondrial (chains I)
MYRLSSSMLPRALAQAMRTGHLNGQSLHSSAVAATYKYVNKKEQESEVDMKSATDNAARI
LMWTELIRGLGMTLSYLFREPATINYPFEKGPLSPRFRGEHALRRYPSGEERCIACKLCE
AICPAQAITIEAEPRADGSRRTTRYDIDMTKCIYCGFCQEACPVDAIVEGPNFEFSTETH
EELLYNKEKLLNNGDKWEAEIAANIQADYLYR
Sequence of entity 10 (J), FASTA
>7AK5_10 NADH-ubiquinone oxidoreductase chain 6 (chains J)
MNNYIFVLSSLFLVGCLGLALKPSPIYGGLGLIVSGFVGCLMVLGFGGSFLGLMVFLIYL
GGMLVVFGYTTAMATEEYPETWGSNWLILGFLVLGVIMEVFLICVLNYYDEVGVINLDGL
GDWLMYEVDDVGVMLEGGIGVAAMYSCATWMMVVAGWSLFAGIFIIIEITRD
Sequence of entity 11 (K), FASTA
>7AK5_11 NADH-ubiquinone oxidoreductase chain 4L (chains K)
MPSTFFNLTMAFSLSLLGTLMFRSHLMSTLLCLEGMVLSLFIMTSVTSLNSNSMSSMPIP
ITILVFAACEAAVGLALLVKVSNTYGTDYVQNLNLLQC
Sequence of entity 12 (L), FASTA
>7AK5_12 NADH-ubiquinone oxidoreductase chain 5 (chains L)
MNIFTTSILLIFILLLSPILISMSNLIKHINFPLYTTTSIKFSFIISLLPLLMFFHNNME
YMITTWHWVTMNSMELKMSFKTDFFSILFTSVALFVTWSIMQFSSWYMHSDPNINRFIKY
LTLFLITMLILTSANNMFQLFIGWEGVGIMSFLLIGWWYGRTDANTAALQAILYNRIGDI
GFILAMVWFSLNMNSWELQQIMFSNNNDNLIPLMGLLIAATGKSAQFGLHPWLPSAMEGP
TPVSALLHSSTMVVAGIFLLVRFHPLTTNNNFILTTMLCLGALTTLFTAICALTQNDIKK
IIAFSTSSQLGLMMVTLGMNQPHLAFLHICTHAFFKAMLFMCSGSIIHSLADEQDIRKMG
NITKIMPFTSSCLVIGSLALTGMPFLTGFYSKDLIIEAINTCNTNAWALLITLIATSMTA
MYSMRIIYFVTMTKPRFPPLISINENDPDLMNPIKRLAFGSIFAGFVISYNIPPTSIPVL
TMPWFLKTTALIISVLGFLIALELNNLTMKLSMNKANPYSSFSTLLGFFPSIIHRITPMK
SLNLSLKTSLTLLDLIWLEKTIPKSTSTLHTNMTTLTTNQKGLIKLYFMSFLINIILIII
LYSINLE

Ligands and cofactors

IDNameFormulaCopies
EHZ~{S}-[2-[3-[[(2~{R})-3,3-dimethyl-2-oxidanyl-4-phosphonooxy-butanoyl]amino]prop…C25 H49 N2 O9 P S2
ZNZinc ionZn1
NDPNADPH dihydro-nicotinamide-adenine-dinucleotide phosphateC21 H30 N7 O17 P31
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P31
CDLCardiolipinC81 H156 O17 P24
3PE1,2-Distearoyl-sn-glycerophosphoethanolamineC41 H82 N O8 P8
FMNFlavin mononucleotideC17 H21 N4 O9 P1
FESFE2/S2 (inorganic) clusterFe2 S22
PC11,2-diacyl-sn-glycero-3-phosphocholineC44 H88 N O8 P2
SF4Iron/sulfur clusterFe4 S46

Primary citation

Structural basis for a complex I mutation that blocks pathological ROS production. Yin, Z., Burger, N., Kula-Alwar, D. et al. Nat Commun (2021) 12:707-707. DOI 10.1038/s41467-021-20942-w · PubMed

Other PDB entries of the same protein (UniProt P03899 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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