Structure analysis

Complex I during turnover, open2

Electron Microscopy
2.6Å resolution
Source organism: Ovis aries
Assembly composition:
hetero 45-mer (preferred)
Entry contents: 44 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 45-mer
PDBe Complex ID: PDB-CPX-131293

Macromolecules

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Chain: 2
Length: 246 amino acids
Theoretical weight: 27.37 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5NRY1 (Residues: 1-246; Coverage: 100%)
Gene name: NDUFV2
Pfam: Thioredoxin-like [2Fe-2S] ferredoxin
InterPro:

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Chain: 6
Length: 223 amino acids
Theoretical weight: 24.62 KDa
Source organism: Ovis aries
InterPro:

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Chain: A
Length: 115 amino acids
Theoretical weight: 13.11 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: O78753 (Residues: 1-115; Coverage: 100%)
Gene names: MT-ND3, MTND3, NADH3, ND3
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase, chain 3
InterPro:

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Chain: H
Length: 318 amino acids
Theoretical weight: 35.88 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: O78747 (Residues: 1-318; Coverage: 100%)
Gene names: MT-ND1, MTND1, NADH1, ND1
Pfam: NADH dehydrogenase
InterPro:

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Chain: J
Length: 175 amino acids
Theoretical weight: 19.13 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: O78757 (Residues: 1-175; Coverage: 100%)
Gene names: MT-ND6, MTND6, NADH6, ND6
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 6
InterPro:

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Chain: K
Length: 98 amino acids
Theoretical weight: 10.87 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: O78754 (Residues: 1-98; Coverage: 100%)
Gene names: MT-ND4L, MTND4L, NADH4L, ND4L
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 4L
InterPro:

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Chain: N
Length: 347 amino acids
Theoretical weight: 39.15 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: O78748 (Residues: 1-347; Coverage: 100%)
Gene names: MT-ND2, MTND2, NADH2, ND2
Pfam:
InterPro:

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Chain: V
Length: 141 amino acids
Theoretical weight: 14.78 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11

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Chain: W
Length: 189 amino acids
Theoretical weight: 21.61 KDa
Source organism: Ovis aries
InterPro: NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit

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Chains: X, j
Length: 157 amino acids
Theoretical weight: 17.61 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5NQT7 (Residues: 1-157; Coverage: 100%)
Pfam: Phosphopantetheine attachment site
InterPro:

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Chain: Y
Length: 172 amino acids
Theoretical weight: 20.14 KDa
Source organism: Ovis aries
InterPro:

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Chain: Z
Length: 175 amino acids
Theoretical weight: 20.88 KDa
Source organism: Ovis aries
InterPro:

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Chain: a
Length: 109 amino acids
Theoretical weight: 11.92 KDa
Source organism: Ovis aries
InterPro: NADH-ubiquinone oxidoreductase flavoprotein 3

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Chain: b
Length: 124 amino acids
Theoretical weight: 13.46 KDa
Source organism: Ovis aries
InterPro:

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Chain: c
Length: 170 amino acids
Theoretical weight: 19.38 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5PE07 (Residues: 1-170; Coverage: 100%)
Gene name: NDUFS4
Pfam: NADH dehydrogenase ubiquinone Fe-S protein 4
InterPro:

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Chain: d
Length: 380 amino acids
Theoretical weight: 43.03 KDa
Source organism: Ovis aries
InterPro:

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Chain: f
Length: 116 amino acids
Theoretical weight: 13.29 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5

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Chain: g
Length: 140 amino acids
Theoretical weight: 16.3 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5QC06 (Residues: 1-140; Coverage: 100%)
Gene name: NDUFA6
Pfam: Complex 1 protein (LYR family)
InterPro:

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Chain: h
Length: 114 amino acids
Theoretical weight: 12.7 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5P0I2 (Residues: 1-114; Coverage: 100%)
Gene name: NDUFA7
Pfam: NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 7

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Chain: i
Length: 145 amino acids
Theoretical weight: 17.12 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12

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Chain: l
Length: 106 amino acids
Theoretical weight: 12.61 KDa
Source organism: Ovis aries
InterPro: NADH:ubiquinone oxidoreductase, iron-sulphur subunit 5

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Chain: m
Length: 84 amino acids
Theoretical weight: 9.33 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 3

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Chain: n
Length: 98 amino acids
Theoretical weight: 11.15 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3

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Chain: o
Length: 122 amino acids
Theoretical weight: 14.43 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5P9Q8 (Residues: 1-122; Coverage: 100%)
Gene name: NDUFC2
Pfam: NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2)
InterPro: NADH dehydrogenase [ubiquinone] 1 subunit C2, NDUC2

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Chain: p
Length: 130 amino acids
Theoretical weight: 15.24 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5QF73 (Residues: 1-130; Coverage: 100%)
Gene name: NDUFB4
Pfam: NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4)
InterPro: NADH:ubiquinone oxidoreductase, subunit NDUFB4

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Chain: q
Length: 144 amino acids
Theoretical weight: 16.77 KDa
Source organism: Ovis aries
InterPro: GRIM-19

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Chain: r
Length: 128 amino acids
Theoretical weight: 15.57 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5PZE3 (Residues: 1-128; Coverage: 100%)
Gene name: NDUFB6
Pfam: NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit
InterPro: NADH dehydrogenase 1, beta subcomplex, subunit 6

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Chain: s
Length: 137 amino acids
Theoretical weight: 16.41 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7, NDUB7

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Chain: t
Length: 179 amino acids
Theoretical weight: 21.78 KDa
Source organism: Ovis aries
InterPro:

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Chain: u
Length: 108 amino acids
Theoretical weight: 12.23 KDa
Source organism: Ovis aries
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 2, animal type

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Chain: v
Length: 186 amino acids
Theoretical weight: 21.75 KDa
Source organism: Ovis aries
UniProt:
  • Canonical: W5Q1B0 (Residues: 1-186; Coverage: 100%)
Gene name: NDUFB8
Pfam: NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8)
InterPro:

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Chain: w
Length: 154 amino acids
Theoretical weight: 17.41 KDa
Source organism: Ovis aries
InterPro: NADH:ubiquinone oxidoreductase, ESSS subunit

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Chain: x
Length: 76 amino acids
Theoretical weight: 8.8 KDa
Source organism: Ovis aries
InterPro: NADH-ubiquinone oxidoreductase 1 subunit C1

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