6g4w

Electron Microscopy
4.5Å resolution

Cryo-EM structure of a late human pre-40S ribosomal subunit - State A

Released:
Source organism: Homo sapiens
Related structures: EMD-4349

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 31-mer (preferred)
Entry contents:
30 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (31 distinct):
40S ribosomal protein S17 Chain: R
Molecule details ›
Chain: R
Length: 135 amino acids
Theoretical weight: 15.58 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P08708 (Residues: 1-135; Coverage: 100%)
Gene names: RPS17, RPS17L
Sequence domains: Ribosomal S17
40S ribosomal protein S27 Chain: b
Molecule details ›
Chain: b
Length: 84 amino acids
Theoretical weight: 9.48 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P42677 (Residues: 1-84; Coverage: 100%)
Gene names: MPS1, RPS27
Sequence domains: Ribosomal protein S27
40S ribosomal protein S3a Chain: B
Molecule details ›
Chain: B
Length: 264 amino acids
Theoretical weight: 30 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P61247 (Residues: 1-264; Coverage: 100%)
Gene names: FTE1, MFTL, RPS3A
Sequence domains: Ribosomal S3Ae family
40S ribosomal protein S28 Chain: c
Molecule details ›
Chain: c
Length: 69 amino acids
Theoretical weight: 7.86 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62857 (Residues: 1-69; Coverage: 100%)
Gene name: RPS28
Sequence domains: Ribosomal protein S28e
40S ribosomal protein S4, X isoform Chain: E
Molecule details ›
Chain: E
Length: 263 amino acids
Theoretical weight: 29.65 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62701 (Residues: 1-263; Coverage: 100%)
Gene names: CCG2, RPS4, RPS4X, SCAR
Sequence domains:
40S ribosomal protein S30 Chain: e
Molecule details ›
Chain: e
Length: 59 amino acids
Theoretical weight: 6.67 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62861 (Residues: 1-59; Coverage: 100%)
Gene name: FAU
Sequence domains: Ribosomal protein S30
40S ribosomal protein S5 Chain: F
Molecule details ›
Chain: F
Length: 204 amino acids
Theoretical weight: 22.91 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P46782 (Residues: 1-204; Coverage: 100%)
Gene name: RPS5
Sequence domains: Ribosomal protein S7p/S5e
40S ribosomal protein S7 Chain: H
Molecule details ›
Chain: H
Length: 194 amino acids
Theoretical weight: 22.17 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62081 (Residues: 1-194; Coverage: 100%)
Gene name: RPS7
Sequence domains: Ribosomal protein S7e
40S ribosomal protein S6 Chain: G
Molecule details ›
Chain: G
Length: 249 amino acids
Theoretical weight: 28.75 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62753 (Residues: 1-249; Coverage: 100%)
Gene names: OK/SW-cl.2, RPS6
Sequence domains: Ribosomal protein S6e
40S ribosomal protein S25 Chain: Z
Molecule details ›
Chain: Z
Length: 125 amino acids
Theoretical weight: 13.78 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62851 (Residues: 1-125; Coverage: 100%)
Gene name: RPS25
Sequence domains: S25 ribosomal protein
40S ribosomal protein S24 Chain: Y
Molecule details ›
Chain: Y
Length: 133 amino acids
Theoretical weight: 15.46 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62847 (Residues: 1-133; Coverage: 100%)
Gene name: RPS24
Sequence domains: Ribosomal protein S24e
RNA-binding protein PNO1 Chain: x
Molecule details ›
Chain: x
Length: 252 amino acids
Theoretical weight: 27.97 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q9NRX1 (Residues: 1-252; Coverage: 100%)
Gene name: PNO1
40S ribosomal protein S23 Chain: X
Molecule details ›
Chain: X
Length: 143 amino acids
Theoretical weight: 15.84 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62266 (Residues: 1-143; Coverage: 100%)
Gene name: RPS23
Sequence domains: Ribosomal protein S12/S23
Bystin Chain: w
Molecule details ›
Chain: w
Length: 437 amino acids
Theoretical weight: 49.67 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q13895 (Residues: 1-437; Coverage: 100%)
Gene names: BYSL, ENP1
Sequence domains: Bystin
40S ribosomal protein S15a Chain: W
Molecule details ›
Chain: W
Length: 130 amino acids
Theoretical weight: 14.87 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62244 (Residues: 1-130; Coverage: 100%)
Gene names: OK/SW-cl.82, RPS15A
Sequence domains: Ribosomal protein S8
Pre-rRNA-processing protein TSR1 homolog Chain: u
Molecule details ›
Chain: u
Length: 804 amino acids
Theoretical weight: 91.95 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q2NL82 (Residues: 1-804; Coverage: 100%)
Gene names: KIAA1401, TSR1
Sequence domains:
Protein LTV1 homolog Chain: t
Molecule details ›
Chain: t
Length: 18 amino acids
Theoretical weight: 2.05 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q96GA3 (Residues: 352-369; Coverage: 4%)
Gene names: C6orf93, LTV1
40S ribosomal protein S19 Chain: T
Molecule details ›
Chain: T
Length: 145 amino acids
Theoretical weight: 16.09 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P39019 (Residues: 1-145; Coverage: 100%)
Gene name: RPS19
Sequence domains: Ribosomal protein S19e
40S ribosomal protein S18 Chain: S
Molecule details ›
Chain: S
Length: 152 amino acids
Theoretical weight: 17.76 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62269 (Residues: 1-152; Coverage: 100%)
Gene names: D6S218E, RPS18
Sequence domains: Ribosomal protein S13/S18
40S ribosomal protein S16 Chain: Q
Molecule details ›
Chain: Q
Length: 146 amino acids
Theoretical weight: 16.48 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62249 (Residues: 1-146; Coverage: 100%)
Gene name: RPS16
Sequence domains: Ribosomal protein S9/S16
40S ribosomal protein S15 Chain: P
Molecule details ›
Chain: P
Length: 145 amino acids
Theoretical weight: 17.08 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62841 (Residues: 1-145; Coverage: 100%)
Gene names: RIG, RPS15
Sequence domains: Ribosomal protein S19
40S ribosomal protein S14 Chain: O
Molecule details ›
Chain: O
Length: 151 amino acids
Theoretical weight: 16.3 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62263 (Residues: 1-151; Coverage: 100%)
Gene names: PRO2640, RPS14
Sequence domains: Ribosomal protein S11
40S ribosomal protein S13 Chain: N
Molecule details ›
Chain: N
Length: 151 amino acids
Theoretical weight: 17.26 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62277 (Residues: 1-151; Coverage: 100%)
Gene name: RPS13
Sequence domains:
40S ribosomal protein S11 Chain: L
Molecule details ›
Chain: L
Length: 158 amino acids
Theoretical weight: 18.47 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62280 (Residues: 1-158; Coverage: 100%)
Gene name: RPS11
Sequence domains:
40S ribosomal protein S9 Chain: J
Molecule details ›
Chain: J
Length: 194 amino acids
Theoretical weight: 22.64 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P46781 (Residues: 1-194; Coverage: 100%)
Gene name: RPS9
Sequence domains:
40S ribosomal protein S8 Chain: I
Molecule details ›
Chain: I
Length: 208 amino acids
Theoretical weight: 24.26 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P62241 (Residues: 1-208; Coverage: 100%)
Gene names: OK/SW-cl.83, RPS8
Sequence domains: Ribosomal protein S8e
RRP12 Chain: s
Molecule details ›
Chain: s
Length: 800 amino acids
Theoretical weight: 68.1 KDa
Source organism: Homo sapiens
Multifunctional methyltransferase subunit TRM112-like protein Chain: r
Molecule details ›
Chain: r
Length: 125 amino acids
Theoretical weight: 14.22 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: Q9UI30 (Residues: 1-125; Coverage: 100%)
Gene names: AD-001, HSPC152, HSPC170, TRMT112
Sequence domains: Trm112p-like protein
Probable 18S rRNA (guanine-N(7))-methyltransferase Chain: q
Molecule details ›
Chain: q
Length: 281 amino acids
Theoretical weight: 31.93 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: O43709 (Residues: 1-281; Coverage: 100%)
Gene names: BUD23, HUSSY-03, MERM1, PP3381, WBSCR22
Sequence domains:
UNKNOWN HELIX Chain: k
Molecule details ›
Chain: k
Length: 19 amino acids
Theoretical weight: 1.37 KDa
Source organism: Homo sapiens
18S Ribosomal RNA Chain: 2
Molecule details ›
Chain: 2
Length: 1882 nucleotides
Theoretical weight: 607.06 KDa
Sequence domains: Eukaryotic small subunit ribosomal RNA

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.5Å
Relevant EMDB volumes: EMD-4349