8a8m

Structure of the MAPK p38alpha in complex with its activating MAP2K MKK6

Method: ELECTRON MICROSCOPY Dmax: 88.9 Å Quality: EXCELLENT

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

Mitogen-activated protein kinase 14

Homo sapiens

UniProt Q16539

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 Mutation:T180V Dual specificity mitogen-activated protein kinase kinase 6 × 1 (P52564) AP2 PHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER × 2 MG MAGNESIUM ION × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE;blot for 3.5 seconds Resolution 4.00 Å

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.

266 other PDB entries and 288 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MK14_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 22–381; UniProt 1–360

Dual specificity mitogen-activated protein kinase kinase 6

Homo sapiens

UniProt P52564

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 15–334 Mutation:S207D, T211D Mitogen-activated protein kinase 14 × 1 (Q16539) AP2 PHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER × 2 MG MAGNESIUM ION × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE;blot for 3.5 seconds Resolution 4.00 Å

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.

8 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MP2K6_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 19–338; UniProt 15–334

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 8a8m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8a8m
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8a8m
Deposition date deposition_date2022-06-23
Structure title titleStructure of the MAPK p38alpha in complex with its activating MAP2K MKK6
Keywords keywordsKinase, Signalling, MAP kinase, phosphoryl transfer, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier28.94
Radius of gyration Rg (electron density) rg_electron28.23
Forward intensity I(0) i087982700.00
Molecular weight molecular_weight74632.0 kDa
Excluded volume excluded_volume93917 ų
Envelope volume envelope_volume119200 ų
Hydration-shell volume shell_volume35096 ų
Envelope diameter envelope_diameter93.7
Shell Rg shell_rg35.62
Envelope Rg envelope_rg27.65
Shape Rg shape_rg28.25
Total Rg total_rg28.90
Total atoms total_atoms5244
Residues n_residues647
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 dmax88.9
Rg (real space) rg_real28.86
Rg uncertainty (real space) rg_real_error0.50
I(0) (real space) i0_real8.7980e+07
I(0) uncertainty (real space) i0_real_error1.2520e+06
Rg (reciprocal space) rg_reciprocal28.90
I(0) (reciprocal space) i0_reciprocal87990000.0000
Solution quality estimate total_estimate0.9087
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary87.3
Skewness Skewness skewness0.226
Kurtosis Kurtosis kurtosis-0.510
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26370000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.961; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.927

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_id8a8mA01
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_id8a8mB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (2)

9. Files and Curves (10)