8qlr

Human MST3 (STK24) kinase in complex with inhibitor MR24

Method: X-RAY DIFFRACTION Dmax: 86.6 Å Quality: EXCELLENT

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

Serine/threonine-protein kinase 24

Homo sapiens

UniProt Q9Y6E0

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 4–301 Chain B; UniProt 4–301 Not recorded VYN 8-(4-azanylbutyl)-2-[1,3-bis(oxidanyl)propan-2-ylamino]-6-[2-chloranyl-4-(6-methylpyridin-2-yl)phenyl]pyrido[2,3-d]pyrimidin-7-one × 2 EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;Protein solution: 11 mg/mL MST3 in 25 mM HEPES pH 7.5, 200 mM NaCl, 0.5 mM TCEP, 5% glycerol) with 1 mM compound MR24. Reservoir solution: 28% PEG 3350, 0.1 M citrate pH 5.6 Resolution 1.85 Å R-free 0.217

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.

33 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name STK24_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–299; UniProt 4–301 Author chain B; PDBConstruct 2–299; UniProt 4–301

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 8qlr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qlr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qlr
Deposition date deposition_date2023-09-20
Structure title titleHuman MST3 (STK24) kinase in complex with inhibitor MR24
Keywords keywordsSelective kinase inhibitors, structure-guided drug design, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.50
Radius of gyration Rg (electron density) rg_electron26.77
Forward intensity I(0) i051329200.00
Molecular weight molecular_weight58410.0 kDa
Excluded volume excluded_volume74209 ų
Envelope volume envelope_volume91007 ų
Hydration-shell volume shell_volume28862 ų
Envelope diameter envelope_diameter91.5
Shell Rg shell_rg33.64
Envelope Rg envelope_rg26.73
Shape Rg shape_rg26.76
Total Rg total_rg27.56
Total atoms total_atoms4128
Residues n_residues526
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 dmax86.6
Rg (real space) rg_real27.50
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real5.1330e+07
I(0) uncertainty (real space) i0_real_error7.9000e+05
Rg (reciprocal space) rg_reciprocal27.50
I(0) (reciprocal space) i0_reciprocal51330000.0000
Solution quality estimate total_estimate0.9058
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.9
Skewness Skewness skewness0.302
Kurtosis Kurtosis kurtosis-0.515
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12370000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.948; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.935

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)