Structure analysis

48S late-stage initiation complex with m6A mRNA

Electron Microscopy
3.04Å resolution
Source organism: Oryctolagus cuniculus
Assembly composition:
hetero 40-mer (preferred)
Entry contents: 37 distinct polypeptide molecules
3 distinct RNA molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 40-mer
Accessible surface area: 469443.75 Å2
Buried surface area: 228120.72 Å2
Dissociation area: 1,920.32 Å2
Dissociation energy (ΔGdiss): 6.31 kcal/mol
Dissociation entropy (TΔSdiss): 11.66 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-268545

Macromolecules

Chain: A
Length: 284 amino acids
Theoretical weight: 32.79 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T2G4 (Residues: 1-284; Coverage: 100%)
Gene name: EIF2S1
Pfam:

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Chain: C
Length: 207 amino acids
Theoretical weight: 23.27 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TLT8 (Residues: 3-209; Coverage: 70%)
Gene name: RPSA
Pfam: Ribosomal protein S2

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Chain: D
Length: 215 amino acids
Theoretical weight: 24.94 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TN72 (Residues: 19-233; Coverage: 81%)
Gene name: RPS3A
Pfam: Ribosomal S3Ae family

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Chain: E
Length: 270 amino acids
Theoretical weight: 29.1 KDa
Source organism: Oryctolagus cuniculus

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Chain: F
Length: 227 amino acids
Theoretical weight: 25.16 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TNM3 (Residues: 1-227; Coverage: 93%)
Gene name: RPS3
Pfam:

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Chain: G
Length: 263 amino acids
Theoretical weight: 29.66 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TK17 (Residues: 1-263; Coverage: 100%)
Gene name: RPS4X
Pfam:

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Chain: H
Length: 191 amino acids
Theoretical weight: 21.53 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: U3KMN4 (Residues: 29-219; Coverage: 87%)
Gene name: RPS5
Pfam: Ribosomal protein S7p/S5e

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Chain: I
Length: 237 amino acids
Theoretical weight: 27.48 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: A0A5K1UJS7 (Residues: 1-237; Coverage: 95%)
Pfam: Ribosomal protein S6e

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Chain: J
Length: 190 amino acids
Theoretical weight: 21.72 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SVB0 (Residues: 5-194; Coverage: 98%)
Gene name: RPS7

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Chain: K
Length: 206 amino acids
Theoretical weight: 23.9 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TJW1 (Residues: 2-207; Coverage: 99%)
Gene name: RPS8
Pfam: Ribosomal protein S8e

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Chain: L
Length: 194 amino acids
Theoretical weight: 22.64 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: B7NZS8 (Residues: 1-194; Coverage: 100%)
Gene name: RPS9
Pfam:

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Chain: M
Length: 98 amino acids
Theoretical weight: 11.77 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TPV3 (Residues: 1-98; Coverage: 59%)
Pfam: Plectin/S10 domain

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Chain: N
Length: 158 amino acids
Theoretical weight: 18.47 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TRM4 (Residues: 1-158; Coverage: 100%)
Gene name: RPS11
Pfam:

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Chain: O
Length: 132 amino acids
Theoretical weight: 14.54 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SFR8 (Residues: 1-132; Coverage: 100%)
Gene name: RPS12
Pfam: Ribosomal protein L7Ae/L30e/S12e/Gadd45 family

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Chain: P
Length: 150 amino acids
Theoretical weight: 17.13 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SP51 (Residues: 2-151; Coverage: 99%)
Gene name: RPS13
Pfam:

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Chain: Q
Length: 151 amino acids
Theoretical weight: 16.3 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T1F0 (Residues: 1-151; Coverage: 100%)
Gene name: RPS14
Pfam: Ribosomal protein S11

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Chain: R
Length: 145 amino acids
Theoretical weight: 17.05 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1U0Q2 (Residues: 1-145; Coverage: 100%)
Gene name: RPS15
Pfam: Ribosomal protein S19

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Chain: S
Length: 141 amino acids
Theoretical weight: 15.98 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SGX4 (Residues: 6-146; Coverage: 97%)
Gene name: RPS16
Pfam: Ribosomal protein S9/S16

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Chain: T
Length: 135 amino acids
Theoretical weight: 15.55 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TU13 (Residues: 1-135; Coverage: 100%)
Gene name: RPS17
Pfam: Ribosomal S17

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Chain: U
Length: 152 amino acids
Theoretical weight: 17.76 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TPG3 (Residues: 1-152; Coverage: 100%)
Gene name: RPS18
Pfam: Ribosomal protein S13/S18

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Chain: V
Length: 141 amino acids
Theoretical weight: 15.81 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TN62 (Residues: 4-144; Coverage: 97%)
Gene name: RPS19
Pfam: Ribosomal protein S19e

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Chain: W
Length: 119 amino acids
Theoretical weight: 13.4 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SIZ2 (Residues: 1-119; Coverage: 100%)
Gene name: RPS20
Pfam: Ribosomal protein S10p/S20e

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Chain: X
Length: 83 amino acids
Theoretical weight: 9.12 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: Q32PB8 (Residues: 1-83; Coverage: 100%)
Gene name: RPS21
Pfam: Ribosomal protein S21e

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Chain: Y
Length: 130 amino acids
Theoretical weight: 14.87 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TG89 (Residues: 1-130; Coverage: 100%)
Gene name: RPS15A
Pfam: Ribosomal protein S8

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Chain: Z
Length: 143 amino acids
Theoretical weight: 15.84 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SZ47 (Residues: 1-143; Coverage: 100%)
Gene name: RPS23
Pfam: Ribosomal protein S12/S23

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Chain: a
Length: 133 amino acids
Theoretical weight: 15.43 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: A0A5F9D2E6 (Residues: 1-133; Coverage: 100%)
Gene name: RPS24
Pfam: Ribosomal protein S24e

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Chain: b
Length: 115 amino acids
Theoretical weight: 12.96 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TFE8 (Residues: 1-115; Coverage: 100%)
Gene name: RPS26
Pfam: Ribosomal protein S26e

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Chain: c
Length: 84 amino acids
Theoretical weight: 9.48 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TZ76 (Residues: 1-84; Coverage: 100%)
Gene name: RPS27
Pfam: Ribosomal protein S27

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Chain: d
Length: 69 amino acids
Theoretical weight: 7.86 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TIB4 (Residues: 1-69; Coverage: 100%)
Gene name: RPS28
Pfam: Ribosomal protein S28e

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Chain: e
Length: 56 amino acids
Theoretical weight: 6.69 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1U7M4 (Residues: 1-56; Coverage: 100%)
Gene name: RPS29
Pfam: Ribosomal protein S14p/S29e

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Chain: f
Length: 71 amino acids
Theoretical weight: 8.36 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SK22 (Residues: 82-152; Coverage: 46%)
Gene name: RPS27A
Pfam:

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Chain: g
Length: 313 amino acids
Theoretical weight: 34.67 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SJB4 (Residues: 2-314; Coverage: 99%)
Gene name: RACK1
Pfam: WD domain, G-beta repeat

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Chain: i
Length: 133 amino acids
Theoretical weight: 14.5 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T8A2 (Residues: 1-133; Coverage: 100%)
Gene name: FAU
Pfam:

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Chain: j
Length: 111 amino acids
Theoretical weight: 12.79 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SYS4 (Residues: 5-115; Coverage: 77%)
Pfam: Translation initiation factor 1A / IF-1

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Chain: k
Length: 595 amino acids
Theoretical weight: 66.99 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SG72 (Residues: 4-598; Coverage: 99%)
Pfam:

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Chain: l
Length: 25 amino acids
Theoretical weight: 3.47 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: A0A087WNH4 (Residues: 1-25; Coverage: 100%)
Gene name: RPL41
Pfam: Ribosomal protein L41

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Chain: n
Length: 124 amino acids
Theoretical weight: 13.65 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TDB3 (Residues: 1-124; Coverage: 100%)
Gene name: RPS25
Pfam: S25 ribosomal protein

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Name: initiator methionylated tRNA
Representative chains: 1
Length: 75 nucleotides
Theoretical weight: 24.38 KDa
Rfam: tRNA

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Name: 18S Ribosomal RNA
Representative chains: 2
Length: 1863 nucleotides
Theoretical weight: 601.02 KDa
Rfam: Eukaryotic small subunit ribosomal RNA

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Name: m6A-methylated mRNA
Representative chains: 3
Length: 9 nucleotides
Theoretical weight: 2.88 KDa

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