2YBB: NADH-quinone oxidoreductase subunit 1

Fitted model for bovine mitochondrial supercomplex I1III2IV1 by single particle cryo-EM (EMD-1876). Determined by electron microscopy at 19.0 Å resolution. Released 19 Oct 2011.

Method
Electron microscopy
Resolution
19.0 Å
Organisms
THERMUS THERMOPHILUS, BOS TAURUS, ESCHERICHIA COLI
Chains
48
Atoms
72,626
Mol. weight
1125.23 kDa
Ligands
SF4, FMN, NAI, MG
Released
19 Oct 2011

Explore 2YBB in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2YBB contains 459 α-helices and 275 β-strands across 44 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 1: 26 helices, 23 β-strands

ElementResiduesLengthSheet
β-strand611
α-helix18-203
α-helix29-346
α-helix39-468
α-helix50-6011
β-strand6312
β-strand7112
α-helix72-765
β-strand88-9363
α-helix104-1096
α-helix111-12414
β-strand129-13463
α-helix140-15415
β-strand15914
α-helix162-1643
β-strand16914
β-strand170-17453
α-helix180-1834
α-helix185-1928
α-helix211-2133
β-strand216-22053
α-helix221-23212
α-helix234-2396
β-strand24111
β-strand24215
β-strand24715
β-strand249-25576
β-strand25817
β-strand262-26766
β-strand27118
α-helix272-2732
α-helix274-2796
β-strand28317
β-strand287-29156
α-helix298-2992
β-strand300-30126
α-helix304-3074
β-strand31018
α-helix317-3193
β-strand327-33266
α-helix337-35115
α-helix357-3593
α-helix360-3678
α-helix368-3747
β-strand37619
α-helix381-39414
α-helix402-42625
β-strand43019
α-helix431-4322
Chain 2: 11 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix8-158
α-helix23-264
α-helix27-3812
α-helix43-5311
α-helix57-648
β-strand78-83610
α-helix86-916
α-helix93-10412
β-strand111110
β-strand117-122610
α-helix128-1303
β-strand133-135310
α-helix1411
β-strand142-143210
α-helix147-15913
α-helix163-1653
β-strand17616
Chain 3: 40 helices, 44 β-strands
ElementResiduesLengthSheet
β-strand2-5411
β-strand10-13411
β-strand18112
α-helix19-268
β-strand49-50213
β-strand51-53311
β-strand75111
β-strand80-81213
α-helix82-843
β-strand86112
α-helix87-882
β-strand92-94311
α-helix98-11215
α-helix119-1213
α-helix129-1379
β-strand159114
β-strand168-169215
β-strand174-176315
α-helix186-1938
β-strand201-202216
α-helix206-2083
β-strand211-212216
α-helix223-2253
α-helix226-2294
β-strand235-237315
α-helix238-2403
α-helix246-2483
β-strand250-254517
β-strand265-269517
β-strand274-279617
α-helix280-2812
α-helix292-2965
α-helix299-3024
β-strand310-312318
β-strand317-319318
α-helix322-33110
β-strand341-345518
α-helix351-36313
β-strand369-371318
α-helix379-3813
β-strand384119
α-helix385-3862
α-helix389-3924
β-strand396-399419
α-helix402-4054
α-helix408-41710
α-helix423-4253
β-strand426120
β-strand429120
α-helix441-4444
β-strand448-451419
α-helix457-4604
β-strand464-466319
α-helix473-4819
α-helix488-49912
β-strand504-507419
α-helix509-5124
α-helix515-52713
β-strand532-534319
α-helix541-5444
α-helix545-5473
β-strand565-568418
α-helix574-5763
β-strand582-587618
α-helix594-5974
β-strand600-603418
α-helix607-6093
β-strand612-615421
β-strand620122
β-strand621-624421
α-helix625-6273
α-helix637-64610
α-helix651-6522
α-helix657-66711
β-strand675122
β-strand692-696523
α-helix701-7033
β-strand714-718523
α-helix720-7245
β-strand733-738623
β-strand741-749923
β-strand758-762523
β-strand770-771223
β-strand774-775223
Chain 4: 23 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand28-30324
β-strand42-46524
β-strand54-58524
α-helix66-694
α-helix70-723
α-helix78-803
α-helix82-843
α-helix90-10415
α-helix111-13727
α-helix143-16422
β-strand173125
β-strand177126
β-strand178125
α-helix181-1833
α-helix186-1927
α-helix197-20913
α-helix214-2185
α-helix226-2327
α-helix240-2423
α-helix248-2514
α-helix257-2593
α-helix272-29625
β-strand303126
α-helix314-3163
α-helix321-33111
α-helix337-3382
β-strand340-348927
β-strand351-359927
β-strand367-370427
α-helix373-3764
α-helix381-3844
α-helix392-3987
α-helix404-4085
Chain 5: 6 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix4-129
β-strand17-19328
β-strand25-27328
β-strand28129
α-helix31-4414
β-strand48-56929
β-strand68-75829
β-strand87-94829
β-strand100130
α-helix111-12111
β-strand125130
α-helix155-1562
β-strand157-158231
β-strand164-165231
α-helix167-1704
α-helix187-1893
Chain 6: 9 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix19-3416
β-strand41-42232
α-helix46-505
β-strand78-81432
β-strand85133
α-helix89-979
β-strand105-108432
α-helix109-1135
β-strand123133
α-helix127-1293
β-strand135-137332
α-helix142-1432
α-helix144-15815
β-strand163134
α-helix1681
β-strand169134
α-helix170-1712
Chain 7: 3 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix5-2622
β-strand31-36635
α-helix38-414
β-strand54-60735
β-strand66-72735
β-strand78114
β-strand82-86535
β-strand91-95535
β-strand96-98336
β-strand102-105436
β-strand108-109236
α-helix112-12615
Chain 8: 6 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand31-32238
β-strand42-43239
β-strand45140
β-strand51140
α-helix58-625
β-strand68-74741
α-helix75-762
β-strand82140
β-strand86-94941
α-helix103-1075
β-strand113-114239
β-strand123132
α-helix126-1283
β-strand130-132341
α-helix133-1364
β-strand137139
α-helix144-1496
β-strand161-162238

32 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-quinone oxidoreductase subunit 11protein438THERMUS THERMOPHILUSQ56222 (AlphaFold model)
NADH-quinone oxidoreductase subunit 22protein181THERMUS THERMOPHILUSQ56221 (AlphaFold model)
NADH-quinone oxidoreductase subunit 33protein783THERMUS THERMOPHILUSQ56223 (AlphaFold model)
NADH-quinone oxidoreductase subunit 44protein409THERMUS THERMOPHILUSQ56220 (AlphaFold model)
NADH-quinone oxidoreductase subunit 55protein207THERMUS THERMOPHILUSQ56219
NADH-quinone oxidoreductase subunit 66protein181THERMUS THERMOPHILUSQ56218
NADH-quinone oxidoreductase subunit 157protein129THERMUS THERMOPHILUSQ5SKZ7
NADH-quinone oxidoreductase subunit 98protein182THERMUS THERMOPHILUSQ56224
Cytochrome B-C1 complex subunit 1, mitochondrialA, aprotein446BOS TAURUSP31800
Cytochrome B-C1 complex subunit 2, mitochondrialB, bprotein439BOS TAURUSP23004
Cytochrome BC, cprotein379BOS TAURUSP00157
Cytochrome C1, heme protein, mitochondrialD, dprotein241BOS TAURUSP00125

25 more molecules are not listed.

Sequence of entity 1 (1), FASTA
>2YBB_1 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 1 (chains 1)
MTGPILSGLDPRFERTLYAHVGKEGSWTLDYYLRHGGYETAKRVLKEKTPDEVIEEVKRS
GLRGRGGAGFPTGLKWSFMPKDDGKQHYLICNADESEPGSFKDRYILEDVPHLLIEGMIL
AGYAIRATVGYIYVRGEYRRAADRLEQAIKEARARGYLGKNLFGTDFSFDLHVHRGAGAY
ICGEETALMNSLEGLRANPRLKPPFPAQSGLWGKPTTINNVETLASVVPIMERGADWFAQ
MGTEQSKGMKLYQISGPVKRPGVYELPMGTTFRELIYEWAGGPLEPIQAIIPGGSSTPPL
PFTEEVLDTPMSYEHLQAKGSMLGTGGVILIPERVSMVDAMWNLTRFYAHESCGKCTPCR
EGVAGFMVNLFAKIGTGQGEEKDVENLEALLPLIEGRSFCPLADAAVWPVKGSLRHFKDQ
YLALAREKRPVPRPSLWR
Sequence of entity 2 (2), FASTA
>2YBB_2 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 2 (chains 2)
MGFFDDKQDFLEETFAKYPPEGRRAAIMPLLRRVQQEEGWIRPERIEEIARLVGTTPTEV
MGVASFYSYYQFVPTGKYHLQVCATLSCKLAGAEELWDYLTETLGIGPGEVTPDGLFSVQ
KVECLGSCHTAPVIQVNDEPYVECVTRARLEALLAGLRAGKRLEEIELPGKCGHHVHEVE
V
Sequence of entity 3 (3), FASTA
>2YBB_3 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 3 (chains 3)
MVRVKVNDRIVEVPPGTSVMDAVFHAGYDVPLFCSEKHLSPIGACRMCLVRIGLPKKGPD
GKPLLNEKGEPEIQWQPKLAASCVTAVADGMVVDTLSDVVREAQAGMVEFTLLNHPLDCP
TCDKGGACELQDRTVEYGLYEKYYQKGPLELPVYTRFEFTRRHVDKHHPLSPFVILDRER
CIHCKRCVRYFEEVPGDEVLDFIERGVHTFIGTMDFGLPSGFSGNITDICPVGALLDLTA
RFRARNWEMEETPTTCALCPVGCGITADTRSGELLRIRAREVPEVNEIWICDAGRFGHEW
ADQNRLKTPLVRKEGRLVEATWEEAFLALKEGLKEARGEEVGLYLAHDATLEEGLLASEL
AKALKTPHLDFQGRTAAPASLFPPASLEDLLQADFALVLGDPTEEAPILHLRLSEFVRDL
KPPHRYNHGTPFADLQIKERMPRRTDKMALFAPYRAPLMKWAAIHEVHRPGEEREILLAL
LGDKEGSEMVAKAKEAWEKAKNPVLILGAGVLQDTVAAERARLLAERKGAKVLAMTPAAN
ARGLEAMGVLPGAKGASWDEPGALYAYYGFVPPEEALKGKRFVVMHLSHLHPLAERYAHV
VLPAPTFYEKRGHLVNLEGRVLPLSPAPIENGEAEGALQVLALLAEALGVRPPFRLHLEA
QKALKARKVPEAMGRLSFRLKELRPKERKGAFYLRPTMWKAHQAVGKAQEAARAELWAHP
ETARAEALPEGAQVAVETPFGRVEARVVHREDVPKGHLYLSALGPAAGLRVEGRVLVPAG
GEA
Sequence of entity 4 (4), FASTA
>2YBB_4 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 4 (chains 4)
MREEFLEEIPLDAPPEEAKELRTEVMTLNVGPQHPSTHGVLRLMVTLSGEEVLEVVPHIG
YLHTGFEKTMEHRTYLQNITYTPRMDYLHSFAHDLAYALAVEKLLGAVVPPRAETIRVIL
NELSRLASHLVFLGTGLLDLGALTPFFYAFRERETILDLFEWVTGQRFHHNYIRIGGVKE
DLPEEFVPELKKLLEVLPHRIDEYEALFAESPIFYERARGVGVIPPEVAIDLGLTGGSLR
ASGVNYDVRKAYPYSGYETYTFDVPLGERGDVFDRMLVRIREMRESVKIIKQALERLEPG
PVRDPNPQITPPPRHLLETSMEAVIYHFKHYTEGFHPPKGEVYVPTESARGELGYYIVSD
GGSMPYRVKVRAPSFVNLQSLPYACKGEQVPDMVAIIASLDPVMGDVDR
Sequence of entity 5 (5), FASTA
>2YBB_5 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 5 (chains 5)
MRLERVLEEARAKGYPIEDNGLGNLWVVLPRERFKEEMAHYKAMGFNFLADIVGLDYLTY
PDPRPERFAVVYELVSLPGWKDGDGSRFFVRVYVPEEDPRLPTVTDLWGSANFLEREVYD
LFGIVFEGHPDLRKILTPEDLEGHPLRKDYPLGETPTLFREGRYIIPAEFRAALTGKDPG
LTFYKGGSRKGYRSLWADLKKAREVKG
Sequence of entity 6 (6), FASTA
>2YBB_6 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 6 (chains 6)
MALKDLFERDVQELEREGILFTTLEKLVAWGRSNSLWPATFGLACCAIEMMASTDARNDL
ARFGSEVFRASPRQADVMIVAGRLSKKMAPVMRRVWEQMPDPKWVISMGACASSGGMFNN
YAIVQNVDSVVPVDVYVPGCPPRPEALIYAVMQLQKKVRGQAYNERGERLPPVAAWKRTR
G
Sequence of entity 7 (7), FASTA
>2YBB_7 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 15 (chains 7)
MSASSERELYEAWVELLSWMREYAQAKGVRFEKEADFPDFIYRMERPYDLPTTIMTASLS
DGLGEPFLLADVSPRHAKLKRIGLRLPRAHIHLHAHYEPGKGLVTGKIPLTKERFFALAD
RAREALAFA
Sequence of entity 8 (8), FASTA
>2YBB_8 NADH-QUINONE OXIDOREDUCTASE SUBUNIT 9 (chains 8)
MTLKALAQSLGITLKYLFSKPVTVPYPDAPVALKPRFHGRHVLTRHPNGLEKCIGCSLCA
AACPAYAIYVEPAENDPENPVSAGERYAKVYEINMLRCIFCGLCEEACPTGAIVLGYDFE
MADYEYSDLVYGKEDMLVDVVGTKPQRREAKRTGKPVKVGYVVPYVRPELEGFKAPTEGG
KR
Sequence of entity 9 (A, a), FASTA
>2YBB_9 CYTOCHROME B-C1 COMPLEX SUBUNIT 1, MITOCHONDRIAL (chains A, a)
TATYAQALQSVPETQVSQLDNGLRVASEQSSQPTCTVGVWIDAGSRYESEKNNGAGYFVE
HLAFKGTKNRPGNALEKEVESMGAHLNAYSTREHTAYYIKALSKDLPKAVELLADIVQNC
SLEDSQIEKERDVILQELQENDTSMRDVVFNYLHATAFQGTPLAQSVEGPSENVRKLSRA
DLTEYLSRHYKAPRMVLAAAGGLEHRQLLDLAQKHFSGLSGTYDEDAVPTLSPCRFTGSQ
ICHREDGLPLAHVAIAVEGPGWAHPDNVALQVANAIIGHYDCTYGGGAHLSSPLASIAAT
NKLCQSFQTFNICYADTGLLGAHFVCDHMSIDDMMFVLQGQWMRLCTSATESEVLRGKNL
LRNALVSHLDGTTPVCEDIGRSLLTYGRRIPLAEWESRIAEVDARVVREVCSKYFYDQCP
AVAGFGPIEQLPDYNRIRSGMFWLRF
Sequence of entity 10 (B, b), FASTA
>2YBB_10 CYTOCHROME B-C1 COMPLEX SUBUNIT 2, MITOCHONDRIAL (chains B, b)
SLKVAPKVKATEAPAGVPPHPQDLEFTRLPNGLVIASLENYAPASRIGLFIKAGSRYENS
NNLGTSHLLRLASSLTTKGASSFKITRGIEAVGGKLSVTSTRENMAYTVECLRDDVDILM
EFLLNVTTAPEFRRWEVAALQPQLRIDKAVALQNPQAHVIENLHAAAYRNALANSLYCPD
YRIGKVTPVELHDYVQNHFTSARMALIGLGVSHPVLKQVAEQFLNIRGGLGLSGAKAKYH
GGEIREQNGDSLVHAALVAESAAIGSAEANAFSVLQHVLGAGPHVKRGSNATSSLYQAVA
KGVHQPFDVSAFNASYSDSGLFGFYTISQAASAGDVIKAAYNQVKTIAQGNLSNPDVQAA
KNKLKAGYLMSVESSEGFLDEVGSQALAAGSYTPPSTVLQQIDAVADADVINAAKKFVSG
RKSMAASGNLGHTPFIDEL
Sequence of entity 11 (C, c), FASTA
>2YBB_11 CYTOCHROME B (chains C, c)
MTNIRKSHPLMKIVNNAFIDLPAPSNISSWWNFGSLLGICLILQILTGLFLAMHYTSDTT
TAFSSVTHICRDVNYGWIIRYMHANGASMFFICLYMHVGRGLYYGSYTFLETWNIGVILL
LTVMATAFMGYVLPWGQMSFWGATVITNLLSAIPYIGTNLVEWIWGGFSVDKATLTRFFA
FHFILPFIIMAIAMVHLLFLHETGSNNPTGISSDVDKIPFHPYYTIKDILGALLLILALM
LLVLFAPDLLGDPDNYTPANPLNTPPHIKPEWYFLFAYAILRSIPNKLGGVLALAFSILI
LALIPLLHTSKQRSMMFRPLSQCLFWALVADLLTLTWIGGQPVEHPYITIGQLASVLYFL
LILVLMPTAGTIENKLLKW
Sequence of entity 12 (D, d), FASTA
>2YBB_12 CYTOCHROME C1, HEME PROTEIN, MITOCHONDRIAL (chains D, d)
SDLELHPPSYPWSHRGLLSSLDHTSIRRGFQVYKQVCSSCHSMDYVAYRHLVGVCYTEDE
AKALAEEVEVQDGPNEDGEMFMRPGKLSDYFPKPYPNPEAARAANNGALPPDLSYIVRAR
HGGEDYVFSLLTGYCEPPTGVSLREGLYFNPYFPGQAIGMAPPIYNEVLEFDDGTPATMS
QVAKDVCTFLRWAAEPEHDHRKRMGLKMLLMMGLLLPLVYAMKRHKWSVLKSRKLAYRPP
K

Ligands and cofactors

IDNameFormulaCopies
SF4Iron/sulfur clusterFe4 S47
FMNFlavin mononucleotideC17 H21 N4 O9 P1
NAI1,4-dihydronicotinamide adenine dinucleotideC21 H29 N7 O14 P21
MGMagnesium ionMg7
FESFE2/S2 (inorganic) clusterFe2 S24
CACalcium ionCa1
HEMProtoporphyrin IX containing FEC34 H32 Fe N4 O45
SMAStigmatellin aC30 H42 O72
UQ1Ubiquinone-1C14 H18 O42
HECHeme CC34 H36 Fe N4 O42
CDLCardiolipinC81 H156 O17 P24
HEAHeme-aC49 H56 Fe N4 O62
CUCopper (II) ionCu3
ZNZinc ionZn1

Primary citation

Arrangement of Electron Transport Chain Components in Bovine Mitochondrial Supercomplex I(1)III(2)Iv(1). Althoff, T., Mills, D.J., Popot, J.-L. et al. EMBO J (2011) 30:4652. DOI 10.1038/EMBOJ.2011.324 · PubMed

Other PDB entries of the same protein (UniProt Q56222 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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