3ckx

Crystal structure of sterile 20-like kinase 3 (MST3, STK24) in complex with staurosporine

Method: X-RAY DIFFRACTION Dmax: 61.8 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 31–323 Fragment:Residues 31-323 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;292 K;22% PEG 4000, 100 mM Tris-HCl, 200 mM Sodium acetate, pH 8.5, VAPOR DIFFUSION, temperature 292K Resolution 2.70 Å R-free 0.268

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 4–296; UniProt 31–323

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 3ckx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ckx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ckx
Deposition date deposition_date2008-03-17
Structure title titleCrystal structure of sterile 20-like kinase 3 (MST3, STK24) in complex with staurosporine
Keywords keywords;STRUCTURAL GENOMICS, PSI-2, PROTEIN STRUCTURE INITIATIVE, New York SGX Research Center for Structural Genomics, NYSGXRC, PROTEIN KINASE, MST3, STK24, STERILE 20-LIKE KINASE, STAUROSPORINE, Alternative splicing, ATP-binding, Cytoplasm, Nucleotide-binding, Phosphoprotein, Serine/threonine-protein kinase, Transferase ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.79
Radius of gyration Rg (electron density) rg_electron18.65
Forward intensity I(0) i015376900.00
Molecular weight molecular_weight30813.0 kDa
Excluded volume excluded_volume39112 ų
Envelope volume envelope_volume44785 ų
Hydration-shell volume shell_volume19841 ų
Envelope diameter envelope_diameter62.6
Shell Rg shell_rg25.21
Envelope Rg envelope_rg18.94
Shape Rg shape_rg18.65
Total Rg total_rg19.64
Total atoms total_atoms2179
Residues n_residues276
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 dmax61.8
Rg (real space) rg_real19.67
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real1.5380e+07
I(0) uncertainty (real space) i0_real_error1.7200e+05
Rg (reciprocal space) rg_reciprocal19.69
I(0) (reciprocal space) i0_reciprocal15380000.0000
Solution quality estimate total_estimate0.9005
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.4
Skewness Skewness skewness0.173
Kurtosis Kurtosis kurtosis-0.411
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4184000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.907; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.984

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3ckxa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id3ckxA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id3ckxA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (1)

9. Files and Curves (10)