Hypothetical 25.2 kDa protein in AFG3-SEB2 intergenic region
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 A; UniProt 133–221 | Fragment:Spc25p globular domain Non-standard monomer:Yes (specific site not provided by mmCIF) | Hypothetical 24.6 kDa protein in ILV2-ADE17 intergenic region × 1 (Q04477) NA SODIUM ION × 1 PO4 PHOSPHATE ION × 1 | X-RAY DIFFRACTION X-ray crystallization conditions:pH 10.5;293 K;0.1 M CAPS, pH 10.5, 1.2 M NaH2PO4/0.8 M K2HPO4, 0.2 M Li2SO4, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 10.50 | Resolution 1.90 Å R-free 0.226 |
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 2FTX | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 2FV4 NMR solution structure of the yeast kinetochore Spc24/Spc25 globular domain Deposited 2006-01-29 | Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
128–221(94 aa)
Fragment:SPC25P GLOBULAR DOMAIN
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 7;303 K;Ionic strength (raw mmCIF value) 50 mM sodium phosphate buffer;Pressure ambient
NMR sample composition
1.5 mM spc25G U-15N,13C,85%-2H, 1.5 mM spc24G natural abundance isotopes, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
NMR sample composition
1.5 mM spc25G natural abundance isotopes, 1.5 mM spc24G U-15N,13C,85%-2H, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
NMR sample composition
1.5 mM spc25G U-15N,13C, 1.5 mM spc24G natural abundance isotopes, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
NMR sample composition
1.5 mM spc25G natural abundance isotopes, 1.5 mM spc24G U-15N,13C, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
NMR sample composition
1.5 mM spc25G U-15N,13C, 85%-2H, 1.5 mM spc24G natural abundance isotopes, 50 mg/mL Pf1 phage, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
NMR sample composition
1.5 mM spc25G natural abundance isotopes, 1.5 mM spc24G U-15N,13C, 50 mg/mL Pf1 phage, 95% H2O, 5% D2O | 50 mM Phosphate buffer Na, pH 7.0, 1 mM azide, 95% H2O, 5% D2O.
|
Resolution not provided |
| 4GEQ Crystal structure of the Spc24-Spc25/Cnn1 binding interface Deposited 2012-08-02 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
133–221(89 aa)
Fragment:Spc25p C-terminal domain, residues 133-221
|
Not recorded | GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 7.6;293.15 K;15% PEG6000, 5% glycerol; Drop volume: 0.2ul; Protein proportion: 50%; Protein concentration: 6 mg/ml, pH 7.6, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K
|
Resolution 2.01 Å R-free 0.258 |
| 4GEQ Crystal structure of the Spc24-Spc25/Cnn1 binding interface Deposited 2012-08-02 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain C
133–221(89 aa)
Fragment:Spc25p C-terminal domain, residues 133-221
|
Not recorded | GOL GLYCEROL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 7.6;293.15 K;15% PEG6000, 5% glycerol; Drop volume: 0.2ul; Protein proportion: 50%; Protein concentration: 6 mg/ml, pH 7.6, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K
|
Resolution 2.01 Å R-free 0.258 |
| 5T6J Structure of the MIND Complex Shows a Regulatory Focus of Yeast Kinetochore Assembly Deposited 2016-09-01 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain B
133–221(89 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;291 K;0.1 M HEPES, pH 7.0-7.5, 1.0 M potassium sodium tartrate, 0.2 M lithium sulfate
|
Resolution 1.75 Å R-free 0.242 |
| 5TCS Crystal structure of a Dwarf Ndc80 Tetramer Deposited 2016-09-15 | 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 D
1–31(31 aa)
Chain D
138–221(84 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) Non-standard monomer:Yes (specific site not provided by mmCIF) | MG MAGNESIUM ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 6;293 K;1.2 magnesium sulfate, 0.1 M ME pH 6.0
|
Resolution 2.83 Å R-free 0.266 |
| 5TD8 Crystal structure of an Extended Dwarf Ndc80 Complex Deposited 2016-09-17 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain D
1–45(45 aa)
Chain D
138–221(84 aa)
|
Not recorded | HG MERCURY (II) ION × 6 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;16% PEG 4,000, 0.1 M CHES, pH 9.0
|
Resolution 7.53 Å R-free 0.328 |
| 8V10 Structure of a Saccharomyces cerevisiae Mps1 peptide bound to dwarf Ndc80 Complex Deposited 2023-11-19 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain D
1–31(31 aa)
Chain D
138–221(84 aa)
|
Not recorded | NI NICKEL (II) ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.1;291 K;13% polyethylene glycol 8000,
1M sodium chloride
100 mM PIPES pH 6.1
|
Resolution 3.02 Å R-free 0.271 |
| 8V11 Structure of a Saccharomyces cerevisiae Ipl1 peptide Bound to dwarf Ndc80 complex Deposited 2023-11-19 | 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 D
1–31(31 aa)
Chain D
138–220(83 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;291.15 K;15% polyethylene glycol 2000 monomethyl ether,500 mM sodium chloride,50 mM Tris pH 7.5
|
Resolution 3.95 Å R-free 0.327 |
| 8V11 Structure of a Saccharomyces cerevisiae Ipl1 peptide Bound to dwarf Ndc80 complex Deposited 2023-11-19 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain H
1–31(31 aa)
Chain H
138–220(83 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;291.15 K;15% polyethylene glycol 2000 monomethyl ether,500 mM sodium chloride,50 mM Tris pH 7.5
|
Resolution 3.95 Å R-free 0.327 |
| 9S4Q Cryo-EM structure of the Saccharomyces cerevisiae KMN junction complex lacking the Mis12c(Mtw1c) head 2 domain Deposited 2025-07-28 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 8 PDB declaration: octameric |
Chain 25
1–221(221 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.90 Å |
| 9S5N Cryo-EM structure of the Saccharomyces cerevisiae KMN junction complex containing the Mis12c(Mtw1c) head 2 domain Deposited 2025-07-29 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 8 PDB declaration: octameric |
Chain 25
1–221(221 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 7.20 Å |
9 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | YEK8_YEAST |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 2–90; UniProt 133–221 |