SAXSdb — 5t6j

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinetochore protein SPC24

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

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 155–213	Not recorded	Kinetochore protein SPC25 × 1 （P40014） Kinetochore-associated protein DSN1 × 1 （P40568）	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

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 5T6J	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2FTX Crystal structure of the yeast kinetochore Spc24/Spc25 globular domain Deposited 2006-01-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 154–213（60 aa） Fragment：Spc24p globular domain	Non-standard monomer：Yes (specific site not provided by mmCIF)	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
2FV4 NMR solution structure of the yeast kinetochore Spc24/Spc25 globular domain Deposited 2006-01-29	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 138–213（76 aa） Fragment：SPC24P 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 ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 155–213（59 aa） Fragment：Spc24p C-terminal domain, residues 155-213	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 ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 155–213（59 aa） Fragment：Spc24p C-terminal domain, residues 155-213	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
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 C 1–48（48 aa） Chain C 162–213（52 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 C 1–62（62 aa） Chain C 162–213（52 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 C 1–48（48 aa） Chain C 162–213（52 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 experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 1–48（48 aa） Chain C 162–212（51 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 experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain G 1–48（48 aa） Chain G 162–212（51 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 oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain 24 1–213（213 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 oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain 24 1–213（213 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	SPC24_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–59； UniProt 155–213

Kinetochore protein SPC25

Saccharomyces cerevisiae

UniProt P40014

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 B； UniProt 133–221	Not recorded	Kinetochore protein SPC24 × 1 （Q04477） Kinetochore-associated protein DSN1 × 1 （P40568）	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

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 5T6J	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2FTX Crystal structure of the yeast kinetochore Spc24/Spc25 globular domain Deposited 2006-01-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 133–221（89 aa） Fragment：Spc25p globular domain	Non-standard monomer：Yes (specific site not provided by mmCIF)	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
2FV4 NMR solution structure of the yeast kinetochore Spc24/Spc25 globular domain Deposited 2006-01-29	Different construct Different oligomeric state 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 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 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
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 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 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 oligomeric state 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 oligomeric state 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	SPC25_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 4–92； UniProt 133–221

Kinetochore-associated protein DSN1

Saccharomyces cerevisiae

UniProt P40568

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 C； UniProt 560–572	Not recorded	Kinetochore protein SPC24 × 1 （Q04477） Kinetochore protein SPC25 × 1 （P40014）	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

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 5T6J	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
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 oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain Ds 1–576（576 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
9S53 Cryo-EM structure of the base of the Saccharomyces cerevisiae KMN junction complex containing the Mis12c(Mtw1c) head 2 domain Deposited 2025-07-29	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 Ds 1–576（576 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.50 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 oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain Ds 1–576（576 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

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	DSN1_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–13； UniProt 560–572

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	5t6j
Deposition date deposition_date	2016-09-01
Structure title title	Structure of the MIND Complex Shows a Regulatory Focus of Yeast Kinetochore Assembly
Keywords keywords	cell cycle, kinetochore, complex, chromosome, segregation, MIND, Mis12, Mtw1, Spc24, Spc25, Ndc80, Nuf2; CELL CYCLE
Experimental Method method	X-RAY DIFFRACTION

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	17.18 Å
Radius of gyration Rg (electron density) rg_electron	15.59 Å
Forward intensity I(0) i0	6225900.00
Molecular weight molecular_weight	18234.0 kDa
Excluded volume excluded_volume	22954 Å³
Envelope volume envelope_volume	26664 Å³
Hydration-shell volume shell_volume	14474 Å³
Envelope diameter envelope_diameter	55.1 Å
Shell Rg shell_rg	21.44 Å
Envelope Rg envelope_rg	15.85 Å
Shape Rg shape_rg	15.59 Å
Total Rg total_rg	16.69 Å
Total atoms total_atoms	2579
Residues n_residues	163
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	55.2 Å
Rg (real space) rg_real	17.07 Å
Rg uncertainty (real space) rg_real_error	0.36 Å
I(0) (real space) i0_real	6.2260e+06
I(0) uncertainty (real space) i0_real_error	8.1040e+04
Rg (reciprocal space) rg_reciprocal	17.09 Å
I(0) (reciprocal space) i0_reciprocal	6226000.0000
Solution quality estimate total_estimate	0.7176
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	22.5 Å
Skewness Skewness skewness	0.133
Kurtosis Kurtosis kurtosis	-0.377
Angular range angular_range	— – 0.4650 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	827500.0000
Real-space data points n_real_points	77
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.857; Stabil: 1.000; Sysdev: 0.257; Positv: 1.000; Valcen: 0.996; Smooth: 0.985

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Kinetochore protein SPC24
Molecular weight formula_weight	6943.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2652

ANENILKLKLYRSLGVILDLENDQVLINRKNDGNIDILPLDNNLSDFYKTKYIWERLGK

来源 Source

来源生物 organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
通用名 common_name	;Baker's yeast ;
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Kinetochore protein SPC25
Molecular weight formula_weight	10030.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

SNANDAAEVALYERLLQLRVLPGASDVHDVRFVFGDDSRCWIEVAMHGDHVIGNSHPALDPKSRATLEHVLTVQGDLAAFLVVARDMLLASL

来源 Source

来源生物 organism	Saccharomyces cerevisiae
通用名 common_name	;Baker's yeast ;
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	Kinetochore-associated protein DSN1
Molecular weight formula_weight	1450.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

QQLLKGLSLSFSK

来源 Source

来源生物 organism	Saccharomyces cerevisiae
通用名 common_name	;Baker's yeast ;
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	73

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7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d5t6ja_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.300 — Kinetochore globular domain-like
Superfamily Superfamily superfamily	d.300.1 — Kinetochore globular domain
Family Family family	d.300.1.2 — Spc24-like

Domain ID domain_id	d5t6jb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.300 — Kinetochore globular domain-like
Superfamily Superfamily superfamily	d.300.1 — Kinetochore globular domain
Family Family family	d.300.1.1 — Spc25-like

Domain ID domain_id	d5t6jb2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	5t6jA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	160 — Double Stranded RNA Binding Domain
Homologous superfamily homologous superfamily	430 —

Domain ID domain_id	5t6jB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	457 — Copper Amine Oxidase; Chain A, domain 1
Homologous superfamily homologous superfamily	50 — Chromosome segregation protein Spc25

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8. Citations (1)

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Unit-cell length a length_a	85.889 Å
Unit-cell length b length_b	85.889 Å
Unit-cell length c length_c	95.003 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	I 41 2 2
Space-group number int_tables_number	98
Crystal system crystal_system	—

Resolution resolution	1.752 Å
Low-resolution limit resolution_low	42.944 Å
R factor r_factor	0.2250
R_work r_work	0.2241
R_free r_free	0.2418

fit	/app/data/saxs_computation/t6/5t6j/5t6j.fit
pddf	/app/data/pr_computation/t6/5t6j/5t6j.pr.out
profile	/app/data/saxs_computation/t6/5t6j/5t6j.dat

Structure of the MIND Complex Shows a Regulatory Focus of Yeast Kinetochore Assembly

1. Protein Identity and Related Structures Protein Identity & Related Structures

Kinetochore protein SPC24

State in the Current Structure

Other States of the Same Protein in the Database

Kinetochore protein SPC25

State in the Current Structure

Other States of the Same Protein in the Database

Kinetochore-associated protein DSN1

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 water

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)