Suppressor of kinetochore protein 1
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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count | Chain A; UniProt 1–194 | Not recorded | Cell division control protein 4 × 1 (P07834) Protein SIC1 × 1 (P38634) | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;1.5 M Ammonium Sulphate, 0.1 M Hepes, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K | Resolution 2.31 Å R-free 0.221 |
| 2 | Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain C; UniProt 1–194 | Not recorded | Cell division control protein 4 × 1 (P07834) | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;1.5 M Ammonium Sulphate, 0.1 M Hepes, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K | Resolution 2.31 Å R-free 0.221 |
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 3V7D | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1NEX Crystal Structure of ScSkp1-ScCdc4-CPD peptide complex Deposited 2002-12-12 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
1–193(193 aa)
Fragment:residues 36-63 deleted
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;Ammonium Sulphate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 2.70 Å R-free 0.273 |
| 1NEX Crystal Structure of ScSkp1-ScCdc4-CPD peptide complex Deposited 2002-12-12 | Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain C
1–193(193 aa)
Fragment:residues 36-63 deleted
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;Ammonium Sulphate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 2.70 Å R-free 0.273 |
| 3MKS Crystal Structure of yeast Cdc4/Skp1 in complex with an allosteric inhibitor SCF-I2 Deposited 2010-04-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
2–194(193 aa)
Fragment:UNP Residues 2-194 with 37-64 deleted
Chain C
2–194(193 aa)
Fragment:UNP Residues 2-194 with 37-64 deleted
|
Not recorded | SO4 SULFATE ION × 11 C1C 1,1'-binaphthalene-2,2'-dicarboxylic acid × 1 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;1.5 M Ammonium sulfate, 100mM Tris pH 8.5, 15% glycerol, 1mM SCF-I2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 2.60 Å R-free 0.266 |
| 3MKS Crystal Structure of yeast Cdc4/Skp1 in complex with an allosteric inhibitor SCF-I2 Deposited 2010-04-15 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
2–194(193 aa)
Fragment:UNP Residues 2-194 with 37-64 deleted
|
Not recorded | SO4 SULFATE ION × 5 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;1.5 M Ammonium sulfate, 100mM Tris pH 8.5, 15% glycerol, 1mM SCF-I2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 2.60 Å R-free 0.266 |
| 3MKS Crystal Structure of yeast Cdc4/Skp1 in complex with an allosteric inhibitor SCF-I2 Deposited 2010-04-15 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 3 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain C
2–194(193 aa)
Fragment:UNP Residues 2-194 with 37-64 deleted
|
Not recorded | SO4 SULFATE ION × 6 C1C 1,1'-binaphthalene-2,2'-dicarboxylic acid × 1 GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;1.5 M Ammonium sulfate, 100mM Tris pH 8.5, 15% glycerol, 1mM SCF-I2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 2.60 Å R-free 0.266 |
| 5AN3 Structure of an Sgt1-Skp1 Complex Deposited 2015-09-03 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain D
1–35(35 aa)
Fragment:BTBPOZ DOMAIN, UNP RESIDUES 1-35,65-158
Chain D
65–158(94 aa)
Fragment:BTBPOZ DOMAIN, UNP RESIDUES 1-35,65-158
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
0.325 M MGCL2, 22.5% PEG-6000, 0.1 M TRIS-HCL PH 8
|
Resolution 2.82 Å R-free 0.241 |
| 6F07 CBF3 Core Complex Deposited 2017-11-17 | Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain D
1–194(194 aa)
|
Not recorded | ZN ZINC ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.60 Å |
| 6FE8 Cryo-EM structure of the core Centromere Binding Factor 3 complex Deposited 2017-12-30 | Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain C
2–194(193 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.10 Å |
| 6GSA Core Centromere Binding Factor 3 (CBF3) with monomeric Ndc10 Deposited 2018-06-13 | Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: tetrameric |
Chain C
2–194(193 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.20 Å |
| 6GYP Cryo-EM structure of the CBF3-core-Ndc10-DBD complex of the budding yeast kinetochore Deposited 2018-07-01 | Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain D
1–194(194 aa)
|
Not recorded | MET METHIONINE × 1 PHE PHENYLALANINE × 1 ASN ASPARAGINE × 1 ARG ARGININE × 1 THR THREONINE × 2 GLN GLUTAMINE × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.60 Å |
| 6GYS Cryo-EM structure of the CBF3-CEN3 complex of the budding yeast kinetochore Deposited 2018-07-01 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 10 PDB declaration: dodecameric |
Chain D
1–194(194 aa)
Chain K
1–194(194 aa)
|
Not recorded | ZN ZINC ION × 8 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.40 Å |
| 6GYU Cryo-EM structure of the CBF3-msk complex of the budding yeast kinetochore Deposited 2018-07-02 | Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain D
1–194(194 aa)
|
Not recorded | ZN ZINC ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.00 Å |
| 7K79 CBF3 Deposited 2020-09-22 | Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain N
1–194(194 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.3
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.00 Å |
| 7PMN S. cerevisiae replisome-SCF(Dia2) complex bound to double-stranded DNA (conformation II) Deposited 2021-09-02 | Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 20 PDB declaration: 22-meric |
Chain K
1–194(194 aa)
|
Not recorded | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 2 ZN ZINC ION × 7 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;Manual plunger
|
Resolution 3.20 Å |
| 8OW1 Cryo-EM structure of the yeast Inner kinetochore bound to a CENP-A nucleosome. Deposited 2023-04-26 | Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 40 PDB declaration: 42-meric |
Chain SK
1–194(194 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.70 Å |
| 9COP Yeast RAVE bound to V-ATPase V1 complex Deposited 2024-07-17 | Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 14 PDB declaration: 14-meric |
Chain z
1–194(194 aa)
|
Not recorded | MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.70 Å |
13 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | SKP1_YEAST |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 4–169; UniProt 1–194 Author chain C; PDBConstruct 4–169; UniProt 1–194 |