Structure analysis

Structure of a human ABCE1-bound 43S pre-initiation complex - State II

Electron Microscopy
3.8Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero 51-mer (preferred)
Entry contents: 49 distinct polypeptide molecules
1 distinct RNA molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 51-mer
Accessible surface area: 630126.61 Å2
Buried surface area: 257259.22 Å2
Dissociation area: 1,978.96 Å2
Dissociation energy (ΔGdiss): -4.65 kcal/mol
Dissociation entropy (TΔSdiss): 25.63 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-104449

Macromolecules

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Chain: p
Length: 211 amino acids
Theoretical weight: 24.56 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P61247 (Residues: 23-233; Coverage: 80%)
Gene names: FTE1, MFTL, RPS3A
Pfam: Ribosomal S3Ae family
InterPro:

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Chain: Q
Length: 101 amino acids
Theoretical weight: 11.65 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62854 (Residues: 2-102; Coverage: 88%)
Gene name: RPS26
Pfam: Ribosomal protein S26e
InterPro:

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Chain: W
Length: 24 amino acids
Theoretical weight: 3.34 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62945 (Residues: 1-24; Coverage: 96%)
Gene name: RPL41
Pfam: Ribosomal protein L41
InterPro: Large ribosomal subunit protein eS32

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Chain: r
Length: 222 amino acids
Theoretical weight: 25.61 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62753 (Residues: 2-223; Coverage: 89%)
Gene names: OK/SW-cl.2, RPS6
Pfam: Ribosomal protein S6e
InterPro:

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Chain: s
Length: 181 amino acids
Theoretical weight: 20.79 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62081 (Residues: 13-193; Coverage: 93%)
Gene name: RPS7
Pfam: Ribosomal protein S7e
InterPro:

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Chain: t
Length: 205 amino acids
Theoretical weight: 23.95 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62241 (Residues: 2-206; Coverage: 99%)
Gene names: OK/SW-cl.83, RPS8
Pfam: Ribosomal protein S8e
InterPro:

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Chain: i
Length: 125 amino acids
Theoretical weight: 13.46 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: A0A2R8Y811 (Residues: 26-150; Coverage: 83%)
Gene name: RPS14
Pfam: Ribosomal protein S11
InterPro:

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Chain: y
Length: 82 amino acids
Theoretical weight: 8.98 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P63220 (Residues: 1-82; Coverage: 99%)
Gene name: RPS21
Pfam: Ribosomal protein S21e
InterPro:

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Chain: f
Length: 129 amino acids
Theoretical weight: 14.73 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62244 (Residues: 2-130; Coverage: 99%)
Gene names: OK/SW-cl.82, RPS15A
Pfam: Ribosomal protein S8
InterPro:

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Chain: j
Length: 139 amino acids
Theoretical weight: 15.37 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62266 (Residues: 2-140; Coverage: 97%)
Gene name: RPS23
Pfam: Ribosomal protein S12/S23
InterPro:

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Chain: z
Length: 122 amino acids
Theoretical weight: 14.26 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: E7ETK0 (Residues: 5-126; Coverage: 93%)
Gene name: RPS24
Pfam: Ribosomal protein S24e
InterPro:

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Chain: R
Length: 82 amino acids
Theoretical weight: 9.21 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P42677 (Residues: 2-83; Coverage: 98%)
Gene names: MPS1, RPS27
Pfam: Ribosomal protein S27
InterPro:

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Chain: T
Length: 44 amino acids
Theoretical weight: 5.07 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62861 (Residues: 81-124; Coverage: 33%)
Gene name: FAU
Pfam: Ribosomal protein S30
InterPro: Small ribosomal subunit protein eS30

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Chain: w
Length: 130 amino acids
Theoretical weight: 15.04 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P08708 (Residues: 2-131; Coverage: 96%)
Gene names: RPS17, RPS17L
Pfam: Ribosomal S17
InterPro:

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Chain: u
Length: 95 amino acids
Theoretical weight: 11.37 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P46783 (Residues: 1-95; Coverage: 58%)
Gene name: RPS10
Pfam: Plectin/S10 domain
InterPro:

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Chain: v
Length: 116 amino acids
Theoretical weight: 12.95 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P25398 (Residues: 14-129; Coverage: 88%)
Gene name: RPS12
Pfam: Ribosomal protein L7Ae/L30e/S12e/Gadd45 family
InterPro:

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Chain: o
Length: 119 amino acids
Theoretical weight: 14.01 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62841 (Residues: 15-133; Coverage: 82%)
Gene names: RIG, RPS15
Pfam: Ribosomal protein S19
InterPro:

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Chain: k
Length: 140 amino acids
Theoretical weight: 16.5 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62269 (Residues: 3-142; Coverage: 92%)
Gene names: D6S218E, RPS18
Pfam: Ribosomal protein S13/S18
InterPro:

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Chain: x
Length: 141 amino acids
Theoretical weight: 15.56 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P39019 (Residues: 2-142; Coverage: 97%)
Gene name: RPS19
Pfam: Ribosomal protein S19e
InterPro:

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Chain: P
Length: 70 amino acids
Theoretical weight: 7.94 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62851 (Residues: 44-113; Coverage: 56%)
Gene name: RPS25
Pfam: S25 ribosomal protein
InterPro:

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Chain: S
Length: 61 amino acids
Theoretical weight: 6.88 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62857 (Residues: 8-68; Coverage: 88%)
Gene name: RPS28
Pfam: Ribosomal protein S28e
InterPro:

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Chain: U
Length: 62 amino acids
Theoretical weight: 7.26 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62979 (Residues: 88-149; Coverage: 40%)
Gene names: RPS27A, UBA80, UBCEP1
Pfam: Ribosomal protein S27a
InterPro:

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Chain: A
Length: 722 amino acids
Theoretical weight: 85.56 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q14152 (Residues: 4-725; Coverage: 52%)
Gene names: EIF3A, EIF3S10, KIAA0139
Pfam: PCI domain
InterPro:

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Chain: F
Length: 269 amino acids
Theoretical weight: 29.84 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: O00303 (Residues: 89-357; Coverage: 75%)
Gene names: EIF3F, EIF3S5
Pfam:
InterPro:

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Chain: H
Length: 318 amino acids
Theoretical weight: 36.96 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: O15372 (Residues: 35-352; Coverage: 90%)
Gene names: EIF3H, EIF3S3
Pfam:
InterPro:

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Chain: L
Length: 372 amino acids
Theoretical weight: 44.17 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q9Y262 (Residues: 181-552; Coverage: 66%)
Gene names: EIF3EIP, EIF3L, EIF3S6IP, HSPC021, HSPC025, MSTP005
Pfam: RNA polymerase I-associated factor PAF67
InterPro:

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Chain: N
Length: 91 amino acids
Theoretical weight: 10.39 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P41567 (Residues: 23-113; Coverage: 81%)
Gene names: EIF1, SUI1
Pfam: Translation initiation factor SUI1
InterPro:

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Chain: D
Length: 527 amino acids
Theoretical weight: 61.49 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: O15371 (Residues: 1-527; Coverage: 96%)
Gene names: EIF3D, EIF3S7
Pfam: Eukaryotic translation initiation factor 3 subunit 7 (eIF-3)
InterPro: Eukaryotic translation initiation factor 3 subunit D

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Chain: Y
Length: 78 amino acids
Theoretical weight: 5.56 KDa
Source organism: Homo sapiens
InterPro: Antifreeze protein, type I

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Chains: G, J
Length: 258 amino acids
Theoretical weight: 29.11 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: O75822 (Residues: 1-258; Coverage: 100%)
Gene names: EIF3J, EIF3S1, PRO0391
Pfam: Translation initiation factor eIF3 subunit
InterPro:

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Name: 18S Ribosomal RNA
Representative chains: 2
Length: 1720 nucleotides
Theoretical weight: 555.21 KDa
Rfam: Eukaryotic small subunit ribosomal RNA

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