4fmq

Crystal structure of human ERK2 complexed with a MAPK docking peptide

Method: X-RAY DIFFRACTION Dmax: 72.5 Å Quality: GOOD

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

Mitogen-activated protein kinase 1

Homo sapiens

UniProt P28482

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–360 Not recorded MAPK DOCKING PEPTIDE × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;298 K;20-24% PEG6000, 100mM TRIS, pH 8.5, VAPOR DIFFUSION, temperature 298K Resolution 2.10 Å R-free 0.224

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.

158 other PDB entries and 177 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MK01_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–362; UniProt 1–360

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 4fmq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4fmq
Deposition date deposition_date2012-06-18
Structure title titleCrystal structure of human ERK2 complexed with a MAPK docking peptide
Keywords keywordsTRANSFERASE, SIGNALING, PROTEIN-PROTEIN INTERACTION, TRANSFERASE-SIGNALING PROTEIN complex; TRANSFERASE/SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.05
Radius of gyration Rg (electron density) rg_electron21.01
Forward intensity I(0) i030217900.00
Molecular weight molecular_weight42473.0 kDa
Excluded volume excluded_volume53318 ų
Envelope volume envelope_volume61607 ų
Hydration-shell volume shell_volume24204 ų
Envelope diameter envelope_diameter73.7
Shell Rg shell_rg28.06
Envelope Rg envelope_rg21.31
Shape Rg shape_rg21.02
Total Rg total_rg21.90
Total atoms total_atoms2988
Residues n_residues365
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 dmax72.5
Rg (real space) rg_real21.95
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real3.0220e+07
I(0) uncertainty (real space) i0_real_error4.3600e+05
Rg (reciprocal space) rg_reciprocal21.97
I(0) (reciprocal space) i0_reciprocal30220000.0000
Solution quality estimate total_estimate0.8868
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.0
Skewness Skewness skewness0.254
Kurtosis Kurtosis kurtosis-0.341
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7609000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.842; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4fmqA01
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_id4fmqA02
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)