4oh9

Crystal Structure of the human MST2 SARAH homodimer

Method: X-RAY DIFFRACTION Dmax: 73.2 Å Quality: REASONABLE

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

Serine/threonine-protein kinase 3

Homo sapiens

UniProt Q13188

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 436–484 Chain B; UniProt 436–484 Fragment:SARAH domain No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;2.0 M NaCl, 8% polyethylene glycol (PEG) 6000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.70 Å R-free 0.272

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 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name STK3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–51; UniProt 436–484 Author chain B; PDBConstruct 3–51; UniProt 436–484

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 4oh9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4oh9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4oh9
Deposition date deposition_date2014-01-17
Structure title titleCrystal Structure of the human MST2 SARAH homodimer
Keywords keywordsSARAH domain, coiled-coil, homodierizarion, heterodimerization, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.48
Radius of gyration Rg (electron density) rg_electron20.68
Forward intensity I(0) i02963050.00
Molecular weight molecular_weight12109.0 kDa
Excluded volume excluded_volume15097 ų
Envelope volume envelope_volume19315 ų
Hydration-shell volume shell_volume9545 ų
Envelope diameter envelope_diameter71.1
Shell Rg shell_rg23.00
Envelope Rg envelope_rg20.86
Shape Rg shape_rg20.69
Total Rg total_rg21.04
Total atoms total_atoms844
Residues n_residues101
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 dmax73.2
Rg (real space) rg_real20.88
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real2.9630e+06
I(0) uncertainty (real space) i0_real_error3.9790e+04
Rg (reciprocal space) rg_reciprocal20.81
I(0) (reciprocal space) i0_reciprocal2963000.0000
Solution quality estimate total_estimate0.7233
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary14.6
Skewness Skewness skewness0.634
Kurtosis Kurtosis kurtosis-0.376
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha553100.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.437; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.158; Smooth: 0.930

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4oh9A00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology170 — p53, subunit A
Homologous superfamily homologous superfamily10 — p53-like tetramerisation domain
Domain ID domain_id4oh9B00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology170 — p53, subunit A
Homologous superfamily homologous superfamily10 — p53-like tetramerisation domain

8. Citations (1)

9. Files and Curves (10)