1nxk

Crystal structure of staurosporine bound to MAP KAP kinase 2

Method: X-RAY DIFFRACTION Dmax: 127.4 Å Quality: GOOD

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

MAP kinase-activated protein kinase 2

Homo sapiens

UniProt P49137

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 1–400 Fragment:MK2 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;2M ammonium sulfate, 100 mM HEPES pH 7.5, 2% PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.70 Å R-free 0.274
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–400 Fragment:MK2 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;2M ammonium sulfate, 100 mM HEPES pH 7.5, 2% PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.70 Å R-free 0.274
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–400 Fragment:MK2 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;2M ammonium sulfate, 100 mM HEPES pH 7.5, 2% PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.70 Å R-free 0.274
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–400 Fragment:MK2 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;2M ammonium sulfate, 100 mM HEPES pH 7.5, 2% PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.70 Å R-free 0.274
5 Protein homooligomer Homooligomer Protein × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 1–400 Chain B; UniProt 1–400 Chain C; UniProt 1–400 Chain D; UniProt 1–400 Fragment:MK2 Non-standard monomer:Yes (specific site not provided by mmCIF) STU STAUROSPORINE × 12 SO4 SULFATE ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;296 K;2M ammonium sulfate, 100 mM HEPES pH 7.5, 2% PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.70 Å R-free 0.274

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.

30 other PDB entries and 100 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MAPK2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–400; UniProt 1–400 Author chain B; PDBConstruct 1–400; UniProt 1–400 Author chain C; PDBConstruct 1–400; UniProt 1–400 Author chain D; PDBConstruct 1–400; UniProt 1–400

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 1nxk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1nxk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1nxk
Deposition date deposition_date2003-02-10
Structure title titleCrystal structure of staurosporine bound to MAP KAP kinase 2
Keywords keywordsprotein kinase, mk2, phosphorylation, staurosporine, transferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.48
Radius of gyration Rg (electron density) rg_electron38.82
Forward intensity I(0) i0278892000.00
Molecular weight molecular_weight135330.0 kDa
Excluded volume excluded_volume168420 ų
Envelope volume envelope_volume233640 ų
Hydration-shell volume shell_volume50545 ų
Envelope diameter envelope_diameter128.8
Shell Rg shell_rg44.64
Envelope Rg envelope_rg37.82
Shape Rg shape_rg38.85
Total Rg total_rg39.08
Total atoms total_atoms9363
Residues n_residues1122
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 dmax127.4
Rg (real space) rg_real39.38
Rg uncertainty (real space) rg_real_error0.94
I(0) (real space) i0_real2.7890e+08
I(0) uncertainty (real space) i0_real_error4.4850e+06
Rg (reciprocal space) rg_reciprocal39.45
I(0) (reciprocal space) i0_reciprocal278900000.0000
Solution quality estimate total_estimate0.8957
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary51.0
Skewness Skewness skewness0.174
Kurtosis Kurtosis kurtosis-0.570
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22620000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.940; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.826

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1nxka_
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.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd1nxkb_
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.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd1nxkc_
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.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd1nxkd_
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.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (8 domains)

Domain ID domain_id1nxkA01
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_id1nxkA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id1nxkB01
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_id1nxkB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id1nxkC01
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_id1nxkC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id1nxkD01
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_id1nxkD02
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)