9zkg

VRK1 in complex with the inhibitor MP-60

Method: X-RAY DIFFRACTION Dmax: 132.9 Å Quality: GOOD

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

Serine/threonine-protein kinase VRK1

Homo sapiens

UniProt Q99986

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 3–364 Mutation:M1A, M2P, K34A, K35A, E36A, E212A, K214A, E215A, E292A, K293A, K295A, K359A, K360A GOL GLYCEROL × 1 EDO 1,2-ETHANEDIOL × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;303 K;30,25% PEG3350, 0.2 M LiSO4, 0.1M SBG pH 6,5 Resolution 2.06 Å R-free 0.216
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 3–364 Mutation:M1A, M2P, K34A, K35A, E36A, E212A, K214A, E215A, E292A, K293A, K295A, K359A, K360A EDO 1,2-ETHANEDIOL × 2 PEG DI(HYDROXYETHYL)ETHER × 1 ACN ACETONE × 1 GG0 2-(2-azanylethanoylamino)ethanoic acid × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;303 K;30,25% PEG3350, 0.2 M LiSO4, 0.1M SBG pH 6,5 Resolution 2.06 Å R-free 0.216
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 3–364 Mutation:M1A, M2P, K34A, K35A, E36A, E212A, K214A, E215A, E292A, K293A, K295A, K359A, K360A GOL GLYCEROL × 2 EDO 1,2-ETHANEDIOL × 3 CL CHLORIDE ION × 2 A1C2O (5Z)-3-butyl-5-[(3,5-dichloro-4-hydroxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;303 K;30,25% PEG3350, 0.2 M LiSO4, 0.1M SBG pH 6,5 Resolution 2.06 Å R-free 0.216
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 3–364 Mutation:M1A, M2P, K34A, K35A, E36A, E212A, K214A, E215A, E292A, K293A, K295A, K359A, K360A GOL GLYCEROL × 1 EDO 1,2-ETHANEDIOL × 2 CL CHLORIDE ION × 4 PEG DI(HYDROXYETHYL)ETHER × 1 A1C2O (5Z)-3-butyl-5-[(3,5-dichloro-4-hydroxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;303 K;30,25% PEG3350, 0.2 M LiSO4, 0.1M SBG pH 6,5 Resolution 2.06 Å R-free 0.216

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.

25 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VRK1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–364; UniProt 3–364 Author chain B; PDBConstruct 3–364; UniProt 3–364 Author chain C; PDBConstruct 3–364; UniProt 3–364 Author chain D; PDBConstruct 3–364; UniProt 3–364

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 9zkg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9zkg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9zkg
Deposition date deposition_date2025-12-06
Structure title titleVRK1 in complex with the inhibitor MP-60
Keywords keywordsPROTEIN KINASE, INHIBITOR, TRANSFERASE, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.06
Radius of gyration Rg (electron density) rg_electron38.84
Forward intensity I(0) i0608644000.00
Molecular weight molecular_weight134120.0 kDa
Excluded volume excluded_volume129660 ų
Envelope volume envelope_volume233400 ų
Hydration-shell volume shell_volume50524 ų
Envelope diameter envelope_diameter142.0
Shell Rg shell_rg44.03
Envelope Rg envelope_rg38.38
Shape Rg shape_rg38.83
Total Rg total_rg39.07
Total atoms total_atoms10151
Residues n_residues1269
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 dmax132.9
Rg (real space) rg_real39.13
Rg uncertainty (real space) rg_real_error1.24
I(0) (real space) i0_real6.0860e+08
I(0) uncertainty (real space) i0_real_error1.2040e+07
Rg (reciprocal space) rg_reciprocal39.09
I(0) (reciprocal space) i0_reciprocal608600000.0000
Solution quality estimate total_estimate0.8732
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.8
Skewness Skewness skewness0.358
Kurtosis Kurtosis kurtosis-0.239
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha51340000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.854; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.817

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)