Structure analysis

Cryo-EM structure of a respiratory complex I assembly intermediate with NDUFAF2

Electron Microscopy
3.3Å resolution
Source organism: Yarrowia lipolytica
Assembly composition:
hetero 41-mer (preferred)
Entry contents: 41 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 41-mer
Accessible surface area: 257149.09 Å2
Buried surface area: 271052.47 Å2
Dissociation area: 1,101.52 Å2
Dissociation energy (ΔGdiss): -0.3 kcal/mol
Dissociation entropy (TΔSdiss): 11.82 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-103385

Macromolecules

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Chain: D
Length: 87 amino acids
Theoretical weight: 9.81 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5FVD3 (Residues: 1-87; Coverage: 100%)
Gene name: YALI0_C21789g
Pfam: NADH-ubiquinone oxidoreductase MWFE subunit
InterPro: NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex subunit 1

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Chain: E
Length: 375 amino acids
Theoretical weight: 42.77 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C7X4 (Residues: 1-375; Coverage: 100%)
Gene name: YALI0_D24585g
Pfam: NAD dependent epimerase/dehydratase family
InterPro:

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Chain: F
Length: 144 amino acids
Theoretical weight: 16.66 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C4W9 (Residues: 1-144; Coverage: 100%)
Gene name: YALI0_E23089g
Pfam: ETC complex I subunit conserved region
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 5

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Chain: H
Length: 243 amino acids
Theoretical weight: 27.25 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: F2Z6C0 (Residues: 1-243; Coverage: 100%)
Gene name: YALI0_D00737g
Pfam: Thioredoxin-like [2Fe-2S] ferredoxin
InterPro:

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Chain: I
Length: 229 amino acids
Theoretical weight: 25.68 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: F2Z619 (Residues: 1-229; Coverage: 100%)
Gene name: YALI0_F00924g
Pfam: 4Fe-4S dicluster domain
InterPro:

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Chain: J
Length: 198 amino acids
Theoretical weight: 20.85 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C674 (Residues: 1-198; Coverage: 100%)
Gene name: YALI0_E11891g
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 11

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Chain: K
Length: 210 amino acids
Theoretical weight: 23.46 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C2Q1 (Residues: 1-173; Coverage: 80%)
Gene name: YALI0_F06050g
Pfam: NADH ubiquinone oxidoreductase, 20 Kd subunit
InterPro:

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Chain: L
Length: 89 amino acids
Theoretical weight: 9.82 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6D4 (Residues: 1-89; Coverage: 100%)
Gene name: ND4L
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 4L
InterPro:

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Chain: O
Length: 109 amino acids
Theoretical weight: 12.05 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C926 (Residues: 1-109; Coverage: 100%)
Gene name: YALI0_D14850g
Pfam: Phosphopantetheine attachment site
InterPro:

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Chain: P
Length: 124 amino acids
Theoretical weight: 14.78 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6CI60 (Residues: 1-124; Coverage: 100%)
Gene name: YALI0_A01419g
Pfam: Complex1_LYR-like
InterPro:

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Chain: Q
Length: 132 amino acids
Theoretical weight: 14.44 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C7X2 (Residues: 1-132; Coverage: 100%)
Gene name: YALI0_D24629g
Pfam: Phosphopantetheine attachment site
InterPro:

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Chain: R
Length: 109 amino acids
Theoretical weight: 12.9 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C9Z1 (Residues: 1-109; Coverage: 100%)
Gene name: YALI0_D07216g
InterPro:

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Chain: S
Length: 249 amino acids
Theoretical weight: 28.48 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: F2Z673 (Residues: 1-249; Coverage: 100%)
Gene name: YALI0_E29095g

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Chain: U
Length: 172 amino acids
Theoretical weight: 19.36 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6CGB4 (Residues: 1-172; Coverage: 100%)
Gene name: YALI0_A20680g
Pfam: CHCH domain
InterPro:

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Chain: W
Length: 123 amino acids
Theoretical weight: 14.11 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5FVF8 (Residues: 1-123; Coverage: 100%)
Gene name: YALI0_E28930g
Pfam: GRIM-19 protein
InterPro: GRIM-19

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Chain: Y
Length: 161 amino acids
Theoretical weight: 18.66 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6CEK9 (Residues: 1-161; Coverage: 100%)
Gene name: YALI0_B14861g
Pfam: NADH dehydrogenase ubiquinone Fe-S protein 4
InterPro:

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Chain: Z
Length: 182 amino acids
Theoretical weight: 19.77 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6CI10 (Residues: 1-182; Coverage: 100%)
Gene name: YALI0_A02651g
InterPro: NADH-ubiquinone oxidoreductase 21.3 kDa subunit

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Chain: a
Length: 149 amino acids
Theoretical weight: 17.33 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6CA88 (Residues: 1-149; Coverage: 100%)
Gene name: YALI0_D04939g
Pfam: NADH-ubiquinone oxidoreductase ASHI subunit (CI-ASHI or NDUFB8)
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 8

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Chain: b
Length: 74 amino acids
Theoretical weight: 8.06 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: A0A1D8NGI5 (Residues: 1-74; Coverage: 100%)
Gene name: YALI1_E00527g

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Chain: c
Length: 60 amino acids
Theoretical weight: 6.95 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5FVE5 (Residues: 1-60; Coverage: 100%)
Gene name: YALI0_D10274g
Pfam: NADH-ubiquinone oxidoreductase B12 subunit family
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3

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Chain: d
Length: 92 amino acids
Theoretical weight: 11.04 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5RSK3 (Residues: 1-92; Coverage: 100%)
Gene name: YALI0_A17946g
Pfam: NADH-ubiquinone oxidoreductase subunit 10
InterPro:

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Chain: e
Length: 67 amino acids
Theoretical weight: 7.81 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: A0A1D8NFX6 (Residues: 1-67; Coverage: 100%)
Gene names: B0I71DRAFT_129560, YALI1_D30003g

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Chain: g
Length: 78 amino acids
Theoretical weight: 8.92 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5FVF3 (Residues: 1-78; Coverage: 100%)
Gene name: YALI0_E23749g
InterPro: NADH-ubiquinone oxidoreductase 9.5kDa subunit

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Chain: i
Length: 90 amino acids
Theoretical weight: 9.79 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: A0A1H6Q311 (Residues: 1-90; Coverage: 100%)
Gene names: B0I71DRAFT_133979, YALI1_D22691g

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Chain: j
Length: 93 amino acids
Theoretical weight: 10.49 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5RSK9 (Residues: 1-93; Coverage: 100%)
Gene name: YALI0_F06061g

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Chain: k
Length: 237 amino acids
Theoretical weight: 27.65 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C7L6 (Residues: 1-237; Coverage: 100%)
Gene names: N7BML, YALI0D27082g
Pfam: NADH ubiquinone oxidoreductase subunit NDUFA12
InterPro: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12

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Chain: n
Length: 120 amino acids
Theoretical weight: 13.52 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q6C1R9 (Residues: 20-139; Coverage: 86%)
Gene name: YALI0_F14003g

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Chain: 1
Length: 341 amino acids
Theoretical weight: 38.36 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6E8 (Residues: 1-341; Coverage: 100%)
Gene name: ND1
Pfam: NADH dehydrogenase
InterPro:

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Chain: 2
Length: 469 amino acids
Theoretical weight: 53.35 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6C8 (Residues: 1-469; Coverage: 100%)
Gene name: ND2
Pfam: Proton-conducting membrane transporter
InterPro: NADH:quinone oxidoreductase/Mrp antiporter, membrane subunit

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Chain: 3
Length: 128 amino acids
Theoretical weight: 14.48 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6C7 (Residues: 1-128; Coverage: 100%)
Gene name: ND3
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase, chain 3
InterPro:

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Chain: 4
Length: 486 amino acids
Theoretical weight: 54.51 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6D6 (Residues: 1-486; Coverage: 100%)
Gene name: ND4
Pfam: Proton-conducting membrane transporter
InterPro:

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Chain: 6
Length: 185 amino acids
Theoretical weight: 20.77 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: Q9B6E9 (Residues: 1-185; Coverage: 100%)
Gene name: ND6
Pfam: NADH-ubiquinone/plastoquinone oxidoreductase chain 6
InterPro:

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Chain: 8
Length: 99 amino acids
Theoretical weight: 11.22 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5FVG1 (Residues: 1-99; Coverage: 100%)
Gene name: YALI0_E31766g
Pfam: NADH-ubiquinone oxidoreductase B18 subunit (NDUFB7)
InterPro: NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 7, NDUB7

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Chain: 9
Length: 89 amino acids
Theoretical weight: 10.04 KDa
Source organism: Yarrowia lipolytica
UniProt:
  • Canonical: B5RSL7 (Residues: 1-89; Coverage: 100%)
Gene name: YALI0_F18359g
Pfam: NADH:ubiquinone oxidoreductase, NDUFS5-15kDa
InterPro: NADH:ubiquinone oxidoreductase, iron-sulphur subunit 5

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