6qa4

ERK2 mini-fragment binding

Method: X-RAY DIFFRACTION Dmax: 71.7 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–360 Non-standard monomer:Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 1 HRZ 1~{H}-pyridin-2-one × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.2;293 K;0.2M (NH4)2SO4 34% MPEG 2000 0.02M Mercaptoethanol 0.1M pH=7.2 HEPES/NaOH Resolution 1.60 Å R-free 0.215

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 9–368; 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 6qa4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6qa4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6qa4
Deposition date deposition_date2018-12-18
Structure title titleERK2 mini-fragment binding
Keywords keywordsSer/Thr kinase, signal transduction, ATP binding, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.21
Radius of gyration Rg (electron density) rg_electron21.20
Forward intensity I(0) i025725700.00
Molecular weight molecular_weight39564.0 kDa
Excluded volume excluded_volume49899 ų
Envelope volume envelope_volume57695 ų
Hydration-shell volume shell_volume22783 ų
Envelope diameter envelope_diameter73.1
Shell Rg shell_rg27.85
Envelope Rg envelope_rg21.47
Shape Rg shape_rg21.19
Total Rg total_rg22.10
Total atoms total_atoms2806
Residues n_residues336
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 dmax71.7
Rg (real space) rg_real22.16
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real2.5730e+07
I(0) uncertainty (real space) i0_real_error2.5570e+05
Rg (reciprocal space) rg_reciprocal22.18
I(0) (reciprocal space) i0_reciprocal25730000.0000
Solution quality estimate total_estimate0.8962
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.7
Skewness Skewness skewness0.300
Kurtosis Kurtosis kurtosis-0.328
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha5425000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.885; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6qa4a_
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 (1 domains)

Domain ID domain_id6qa4A01
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)