6ypc

Crystal structure of the kinetochore subunits H/I/K/T/W penta-complex from S. cerevisiae at 2.9 angstroms

Method: X-RAY DIFFRACTION Dmax: 83.0 Å Quality: EXCELLENT

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

Inner kinetochore subunit MCM22

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P47167

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain K; UniProt 131–239 Not recorded Inner kinetochore subunit MCM16 × 1 (Q12262) Inner kinetochore subunit CNN1 × 1 (P43618) Inner kinetochore subunit WIP1 × 1 (Q2V2P8) Inner kinetochore subunit CTF3 × 1 (Q12748) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;1 M NaH2PO4 and 0.38M K2HPO4 with protein at 5.5 mg/ml Resolution 2.90 Å R-free 0.283

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.

8 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CENPK_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain K; PDBConstruct 2–110; UniProt 131–239

Inner kinetochore subunit MCM16

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt Q12262

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain H; UniProt 137–181 Not recorded Inner kinetochore subunit MCM22 × 1 (P47167) Inner kinetochore subunit CNN1 × 1 (P43618) Inner kinetochore subunit WIP1 × 1 (Q2V2P8) Inner kinetochore subunit CTF3 × 1 (Q12748) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;1 M NaH2PO4 and 0.38M K2HPO4 with protein at 5.5 mg/ml Resolution 2.90 Å R-free 0.283

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.

7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CENPH_YEAST
Isoform
PDB entities 2
Chains and sequence ranges Author chain H; PDBConstruct 2–46; UniProt 137–181

Inner kinetochore subunit CNN1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P43618

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain T; UniProt 1–361 Not recorded Inner kinetochore subunit MCM22 × 1 (P47167) Inner kinetochore subunit MCM16 × 1 (Q12262) Inner kinetochore subunit WIP1 × 1 (Q2V2P8) Inner kinetochore subunit CTF3 × 1 (Q12748) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;1 M NaH2PO4 and 0.38M K2HPO4 with protein at 5.5 mg/ml Resolution 2.90 Å R-free 0.283

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.

5 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CENPT_YEAST
Isoform
PDB entities 3
Chains and sequence ranges Author chain T; PDBConstruct 1–361; UniProt 1–361

Inner kinetochore subunit WIP1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt Q2V2P8

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain W; UniProt 1–89 Not recorded Inner kinetochore subunit MCM22 × 1 (P47167) Inner kinetochore subunit MCM16 × 1 (Q12262) Inner kinetochore subunit CNN1 × 1 (P43618) Inner kinetochore subunit CTF3 × 1 (Q12748) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;1 M NaH2PO4 and 0.38M K2HPO4 with protein at 5.5 mg/ml Resolution 2.90 Å R-free 0.283

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.

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CENPW_YEAST
Isoform
PDB entities 4
Chains and sequence ranges Author chain W; PDBConstruct 1–89; UniProt 1–89

Inner kinetochore subunit CTF3

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt Q12748

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain I; UniProt 1–245 Not recorded Inner kinetochore subunit MCM22 × 1 (P47167) Inner kinetochore subunit MCM16 × 1 (Q12262) Inner kinetochore subunit CNN1 × 1 (P43618) Inner kinetochore subunit WIP1 × 1 (Q2V2P8) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;1 M NaH2PO4 and 0.38M K2HPO4 with protein at 5.5 mg/ml Resolution 2.90 Å R-free 0.283

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.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CENPI_YEAST
Isoform
PDB entities 5
Chains and sequence ranges Author chain I; PDBConstruct 1–245; UniProt 1–245

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.

SAXS scattering curve SAXS Profile

SAXS profile for 6ypc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ypc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ypc
Deposition date deposition_date2020-04-15
Structure title titleCrystal structure of the kinetochore subunits H/I/K/T/W penta-complex from S. cerevisiae at 2.9 angstroms
Keywords keywordskinetochore, cenp complex, centromeres, chromosome segregation, CELL CYCLE; CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.57
Radius of gyration Rg (electron density) rg_electron25.47
Forward intensity I(0) i057385500.00
Molecular weight molecular_weight61536.0 kDa
Excluded volume excluded_volume78295 ų
Envelope volume envelope_volume95272 ų
Hydration-shell volume shell_volume31040 ų
Envelope diameter envelope_diameter86.2
Shell Rg shell_rg32.90
Envelope Rg envelope_rg25.64
Shape Rg shape_rg25.45
Total Rg total_rg26.39
Total atoms total_atoms4334
Residues n_residues535
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax83.0
Rg (real space) rg_real26.47
Rg uncertainty (real space) rg_real_error0.59
I(0) (real space) i0_real5.7390e+07
I(0) uncertainty (real space) i0_real_error7.9620e+05
Rg (reciprocal space) rg_reciprocal26.50
I(0) (reciprocal space) i0_reciprocal57390000.0000
Solution quality estimate total_estimate0.9067
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.8
Skewness Skewness skewness0.230
Kurtosis Kurtosis kurtosis-0.430
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11820000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)