Eukaryotic translation initiation factor 3 subunit C
Saccharomyces cerevisiae
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein heterocomplex Heteromer Protein × 2 PDB declaration: Dimeric(2) Consistent with protein copy count | Chain C; UniProt 247–812 | Not recorded | Eukaryotic translation initiation factor 3 subunit A × 1 (P38249) | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;292 K;PEG 6000, KSCN, Bis-Tris-propane | Resolution 3.50 Å R-free 0.293 |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 4U1C | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 3JAP Structure of a partial yeast 48S preinitiation complex in closed conformation Deposited 2015-06-18 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 47-meric |
Chain p
193–206(14 aa)
Chain p
251–812(562 aa)
|
Not recorded | MG MAGNESIUM ION × 81 ZN ZINC ION × 4 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
20 mM MES-KOH, 40 mM potassium acetate, 10 mM ammonium acetate, 8 mM magnesium acetate, 2 mM DTT;pH 6.5;20 mM MES-KOH, 40 mM potassium acetate, 10 mM ammonium acetate, 8 mM magnesium acetate, 2 mM DTT
cryo-EM vitrification conditions
Blot for 2.5 to 3 seconds before plunging;120 K;Cryogen ETHANE;Blot for 2.5 to 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
|
Resolution 4.90 Å |
| 5H7U NMR structure of eIF3 36-163 Deposited 2016-11-21 | Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
36–163(128 aa)
Fragment:UNP RESIDUES 36-163
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 7;298 K;Ionic strength (raw mmCIF value) 170;Pressure 1
NMR sample composition
0.4 mM [U-100% 13C; U-100% 15N] eIF3c 36-163, 20 mM sodium phosphate, 150 mM sodium chloride, 1 mM DTT, 95% H2O/5% D2O | 95% H2O/5% D2O
|
Resolution not provided |
| 6FYX Structure of a partial yeast 48S preinitiation complex with eIF5 N-terminal domain (model C1) Deposited 2018-03-12 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 47-meric |
Chain q
251–812(562 aa)
|
Not recorded | MG MAGNESIUM ION × 117 ZN ZINC ION × 5 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.50 Å |
| 6FYY Structure of a partial yeast 48S preinitiation complex with eIF5 N-terminal domain (model C2) Deposited 2018-03-12 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 47-meric |
Chain q
251–812(562 aa)
|
Not recorded | MG MAGNESIUM ION × 117 ZN ZINC ION × 5 MET METHIONINE × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.02 Å |
| 6GSM Structure of a partial yeast 48S preinitiation complex in open conformation. Deposited 2018-06-14 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 47-meric |
Chain q
96–794(699 aa)
|
Not recorded | 7NO [(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-4-oxidanyl-2-(phosphonooxymethyl)oxolan-3-yl] (2~{S})-2-azanyl-4-methylsulfanyl-butanoate × 1 MG MAGNESIUM ION × 82 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.15 Å |
| 6GSN Structure of a partial yeast 48S preinitiation complex in closed conformation Deposited 2018-06-14 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 47-meric |
Chain q
96–794(699 aa)
|
Not recorded | MG MAGNESIUM ION × 81 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.75 Å |
| 6ZCE Structure of a yeast ABCE1-bound 43S pre-initiation complex Deposited 2020-06-10 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 44 PDB declaration: 45-meric |
Chain q
1–812(812 aa)
|
Not recorded | ZN ZINC ION × 4 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.30 Å |
| 6ZU9 Structure of a yeast ABCE1-bound 48S initiation complex Deposited 2020-07-22 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 41 PDB declaration: 44-meric |
Chain q
1–812(812 aa)
|
Not recorded | MG MAGNESIUM ION × 4 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 SF4 IRON/SULFUR CLUSTER × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 6.20 Å |
| 8S8E Structure of a yeast 48S-AUC preinitiation complex in closed conformation (model py48S-AUC-3.1) Deposited 2024-03-06 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 40 PDB declaration: 43-meric |
Chain p
1–812(812 aa)
|
Not recorded | MG MAGNESIUM ION × 116 ZN ZINC ION × 3 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.85 Å |
| 8S8K Structure of a yeast 48S-AUC preinitiation complex in swivelled conformation (model py48S-AUC-swiv-eIF1) Deposited 2024-03-06 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 40 PDB declaration: 43-meric |
Chain n
1–812(812 aa)
|
Not recorded | MG MAGNESIUM ION × 96 ZN ZINC ION × 4 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 MET METHIONINE × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 6.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.00 Å |
10 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | EIF3C_YEAST |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain C; PDBConstruct 2–567; UniProt 247–812 |