4h3p

Crystal structure of human ERK2 complexed with a MAPK docking peptide

Method: X-RAY DIFFRACTION Dmax: 99.0 Å Quality: EXCELLENT

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 Fragment:kinase domain Mutation:R77A, E314A Ribosomal protein S6 kinase alpha-1 × 1 (Q15418) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;296 K;25-30% PEG6000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.30 Å R-free 0.224
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–360 Fragment:kinase domain Mutation:R77A, E314A Ribosomal protein S6 kinase alpha-1 × 1 (Q15418) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;296 K;25-30% PEG6000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.30 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 176 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 Author chain D; PDBConstruct 3–362; UniProt 1–360

Ribosomal protein S6 kinase alpha-1

OrganismNot specified

UniProt Q15418

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 B; UniProt 712–735 Fragment:C-TERMINAL DOCKING PEPTIDE, UNP residues 712-735 Mutation:S719A, Q724A Mitogen-activated protein kinase 1 × 1 (P28482) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;296 K;25-30% PEG6000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.30 Å R-free 0.224
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 712–735 Fragment:C-TERMINAL DOCKING PEPTIDE, UNP residues 712-735 Mutation:S719A, Q724A Mitogen-activated protein kinase 1 × 1 (P28482) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;296 K;25-30% PEG6000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K Resolution 2.30 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.

21 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KS6A1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–24; UniProt 712–735 Author chain E; PDBConstruct 1–24; UniProt 712–735

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 4h3p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4h3p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4h3p
Deposition date deposition_date2012-09-14
Structure title titleCrystal structure of human ERK2 complexed with a MAPK docking peptide
Keywords keywordskinase domain, signaling, linear motif, surface mutation, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.70
Radius of gyration Rg (electron density) rg_electron29.94
Forward intensity I(0) i0104515000.00
Molecular weight molecular_weight81681.0 kDa
Excluded volume excluded_volume102650 ų
Envelope volume envelope_volume127870 ų
Hydration-shell volume shell_volume35794 ų
Envelope diameter envelope_diameter103.4
Shell Rg shell_rg36.94
Envelope Rg envelope_rg29.53
Shape Rg shape_rg29.97
Total Rg total_rg30.51
Total atoms total_atoms5749
Residues n_residues713
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 dmax99.0
Rg (real space) rg_real30.69
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real1.0450e+08
I(0) uncertainty (real space) i0_real_error1.6880e+06
Rg (reciprocal space) rg_reciprocal30.70
I(0) (reciprocal space) i0_reciprocal104500000.0000
Solution quality estimate total_estimate0.9002
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.4
Skewness Skewness skewness0.297
Kurtosis Kurtosis kurtosis-0.535
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha33360000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.920; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.955

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4h3pA01
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_id4h3pA02
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_id4h3pD01
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_id4h3pD02
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)