Structure analysis

Open Complex I from murine liver

Electron Microscopy
3Å resolution
Source organism: Mus musculus
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
Accessible surface area: 255710.8 Å2
Buried surface area: 309521.28 Å2
Dissociation area: 697.96 Å2
Dissociation energy (ΔGdiss): -2.85 kcal/mol
Dissociation entropy (TΔSdiss): 11.74 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-124487

Macromolecules

Chain: 6
Length: 224 amino acids
Theoretical weight: 24.72 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9DC70 (Residues: 1-224; Coverage: 100%)
Gene name: Ndufs7
Pfam: NADH ubiquinone oxidoreductase, 20 Kd subunit

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Chain: C
Length: 263 amino acids
Theoretical weight: 30.19 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9DCT2 (Residues: 1-263; Coverage: 100%)
Gene name: Ndufs3
Pfam: Respiratory-chain NADH dehydrogenase, 30 Kd subunit

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Chain: D
Length: 463 amino acids
Theoretical weight: 52.72 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q91WD5 (Residues: 1-463; Coverage: 100%)
Gene name: Ndufs2
Pfam: Respiratory-chain NADH dehydrogenase, 49 Kd subunit

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Chain: 2
Length: 248 amino acids
Theoretical weight: 27.32 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9D6J6 (Residues: 1-248; Coverage: 100%)
Gene name: Ndufv2
Pfam: Thioredoxin-like [2Fe-2S] ferredoxin

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Chain: 1
Length: 464 amino acids
Theoretical weight: 50.9 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q91YT0 (Residues: 1-464; Coverage: 100%)
Gene name: Ndufv1
Pfam:

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Chain: 9
Length: 212 amino acids
Theoretical weight: 24.07 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q8K3J1 (Residues: 1-212; Coverage: 100%)
Gene name: Ndufs8
Pfam: 4Fe-4S dicluster domain

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Chain: P
Length: 377 amino acids
Theoretical weight: 42.59 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9DC69 (Residues: 1-377; Coverage: 100%)
Gene name: Ndufa9
Pfam: NmrA-like family

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Chain: Q
Length: 175 amino acids
Theoretical weight: 19.81 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CXZ1 (Residues: 1-175; Coverage: 100%)
Gene name: Ndufs4
Pfam: NADH dehydrogenase ubiquinone Fe-S protein 4

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Chain: 7
Length: 116 amino acids
Theoretical weight: 13.04 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P52503 (Residues: 1-116; Coverage: 100%)
Gene names: Ip13, Ndufs6
Pfam: Zinc-finger domain

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Chain: S
Length: 99 amino acids
Theoretical weight: 10.93 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQ75 (Residues: 1-99; Coverage: 100%)
Gene name: Ndufa2
Pfam: Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain

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Chains: T, U
Length: 156 amino acids
Theoretical weight: 17.39 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CR21 (Residues: 1-156; Coverage: 100%)
Gene name: Ndufab1
Pfam: Phosphopantetheine attachment site

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Chain: V
Length: 116 amino acids
Theoretical weight: 13.38 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CPP6 (Residues: 1-116; Coverage: 100%)
Gene name: Ndufa5
Pfam: ETC complex I subunit conserved region

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Chain: W
Length: 131 amino acids
Theoretical weight: 15.31 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQZ5 (Residues: 1-131; Coverage: 100%)
Gene name: Ndufa6
Pfam: Complex1_LYR-like

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Chain: q
Length: 145 amino acids
Theoretical weight: 17.11 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q7TMF3 (Residues: 1-145; Coverage: 100%)
Gene name: Ndufa12
Pfam: NADH ubiquinone oxidoreductase subunit NDUFA12

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Chain: r
Length: 113 amino acids
Theoretical weight: 12.64 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9Z1P6 (Residues: 1-113; Coverage: 100%)
Gene name: Ndufa7
Pfam: NADH:ubiquinone oxidoreductase subunit B14.5a (Complex I-B14.5a)

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Chain: s
Length: 104 amino acids
Theoretical weight: 11.83 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q8BK30 (Residues: 1-104; Coverage: 100%)
Gene name: Ndufv3
Pfam: NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial

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Chain: A
Length: 115 amino acids
Theoretical weight: 13.25 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03899 (Residues: 1-115; Coverage: 100%)
Gene names: Nd3, mt-Nd3
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase, chain 3

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Chain: H
Length: 318 amino acids
Theoretical weight: 36.11 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03888 (Residues: 1-318; Coverage: 100%)
Gene names: Mtnd1, Nd1, mt-Nd1
Pfam: NADH dehydrogenase

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Chain: J
Length: 172 amino acids
Theoretical weight: 18.66 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03925 (Residues: 1-172; Coverage: 100%)
Gene names: Mtnd6, Nd6, mt-Nd6
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 6

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Chain: K
Length: 98 amino acids
Theoretical weight: 10.64 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03903 (Residues: 1-98; Coverage: 100%)
Gene names: Mtnd4l, Nd4l, mt-Nd4l
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 4L

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Chain: L
Length: 607 amino acids
Theoretical weight: 68.55 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03921 (Residues: 1-607; Coverage: 100%)
Gene names: Mtnd5, Nd5, mt-Nd5
Pfam:

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Chain: M
Length: 459 amino acids
Theoretical weight: 51.94 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03911 (Residues: 1-459; Coverage: 100%)
Gene names: Mtnd4, Nd4, mt-Nd4
Pfam:

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Chain: N
Length: 345 amino acids
Theoretical weight: 38.8 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P03893 (Residues: 1-345; Coverage: 100%)
Gene names: Nd2, mt-Nd2
Pfam:

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Chain: O
Length: 355 amino acids
Theoretical weight: 40.66 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q99LC3 (Residues: 1-355; Coverage: 100%)
Gene name: Ndufa10
Pfam: Deoxynucleoside kinase

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Chain: X
Length: 172 amino acids
Theoretical weight: 20.03 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9DCJ5 (Residues: 1-172; Coverage: 100%)
Gene name: Ndufa8
Pfam: CHCH domain

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Chain: Y
Length: 141 amino acids
Theoretical weight: 14.93 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: G5E814 (Residues: 3-143; Coverage: 99%)
Gene name: Ndufa11
Pfam: Tim17/Tim22/Tim23/Pmp24 family

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Chain: Z
Length: 144 amino acids
Theoretical weight: 16.88 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9ERS2 (Residues: 1-144; Coverage: 100%)
Gene names: Grim19, Ndufa13
Pfam: GRIM-19 protein

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Chain: a
Length: 70 amino acids
Theoretical weight: 8.15 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: O35683 (Residues: 1-70; Coverage: 100%)
Gene name: Ndufa1
Pfam: NADH-ubiquinone oxidoreductase MWFE subunit

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Chain: b
Length: 84 amino acids
Theoretical weight: 9.38 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQ91 (Residues: 1-84; Coverage: 100%)
Gene name: Ndufa3
Pfam: NADH dehydrogenase 1 alpha subcomplex subunit 3

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Chain: c
Length: 76 amino acids
Theoretical weight: 8.64 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQY9 (Residues: 1-76; Coverage: 100%)
Gene name: Ndufc1
Pfam: NADH dehydrogenase [ubiquinone] 1 subunit C1, mitochondrial

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Chain: d
Length: 120 amino acids
Theoretical weight: 14.19 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQ54 (Residues: 1-120; Coverage: 100%)
Gene name: Ndufc2
Pfam: NADH-ubiquinone oxidoreductase subunit b14.5b (NDUFC2)

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Chain: e
Length: 106 amino acids
Theoretical weight: 12.68 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q99LY9 (Residues: 1-106; Coverage: 100%)
Gene name: Ndufs5
Pfam: NADH:ubiquinone oxidoreductase, NDUFS5-15kDa

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Chain: f
Length: 57 amino acids
Theoretical weight: 6.97 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: P0DN34 (Residues: 1-57; Coverage: 100%)
Gene name: Ndufb1
Pfam: MNLL subunit

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Chain: g
Length: 151 amino acids
Theoretical weight: 17.46 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: O09111 (Residues: 1-151; Coverage: 100%)
Gene names: Ndufb11, Np15
Pfam: ESSS subunit of NADH:ubiquinone oxidoreductase (complex I)

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Chain: h
Length: 189 amino acids
Theoretical weight: 21.74 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQH3 (Residues: 1-189; Coverage: 100%)
Gene name: Ndufb5
Pfam: NADH:ubiquinone oxidoreductase, NDUFB5/SGDH subunit

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Chain: i
Length: 128 amino acids
Theoretical weight: 15.58 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q3UIU2 (Residues: 1-128; Coverage: 100%)
Gene names: Gm137, Ndufb6
Pfam: NADH:ubiquinone oxidoreductase, NDUFB6/B17 subunit

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Chain: j
Length: 105 amino acids
Theoretical weight: 11.98 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CPU2 (Residues: 1-105; Coverage: 100%)
Gene name: Ndufb2
Pfam: NADH dehydrogenase 1 beta subcomplex subunit 2

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Chain: k
Length: 104 amino acids
Theoretical weight: 11.71 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQZ6 (Residues: 1-104; Coverage: 100%)
Gene name: Ndufb3
Pfam: NADH-ubiquinone oxidoreductase B12 subunit family

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Chain: l
Length: 186 amino acids
Theoretical weight: 21.9 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9D6J5 (Residues: 1-186; Coverage: 100%)
Gene name: Ndufb8
Pfam: NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8)

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Chain: m
Length: 129 amino acids
Theoretical weight: 15.11 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQC7 (Residues: 1-129; Coverage: 100%)
Gene name: Ndufb4
Pfam: NADH-ubiquinone oxidoreductase B15 subunit (NDUFB4)

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Chain: n
Length: 179 amino acids
Theoretical weight: 22.02 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CQJ8 (Residues: 1-179; Coverage: 100%)
Gene name: Ndufb9
Pfam: Complex 1 protein (LYR family)

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Chain: o
Length: 137 amino acids
Theoretical weight: 16.36 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9CR61 (Residues: 1-137; Coverage: 100%)
Gene name: Ndufb7
Pfam: NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7)

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Chain: p
Length: 176 amino acids
Theoretical weight: 21.05 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q9DCS9 (Residues: 1-176; Coverage: 100%)
Gene name: Ndufb10
Pfam: NADH-ubiquinone oxidoreductase subunit 10

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