9axx

Crystal structure of BRAF/MEK1 complex with NST-628 and an active RAF dimer

Method: X-RAY DIFFRACTION Dmax: 105.9 Å Quality: EXCELLENT

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

Dual specificity mitogen-activated protein kinase kinase 1

Homo sapiens

UniProt Q02750

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 37–263 Chain A; UniProt 308–383 Chain C; UniProt 37–263 Chain C; UniProt 308–383 Mutation:S218A S222A Serine/threonine-protein kinase B-raf × 2 (P15056) A1AHE N-[3-fluoro-4-({7-[(3-fluoropyridin-2-yl)oxy]-4-methyl-2-oxo-2H-1-benzopyran-3-yl}methyl)pyridin-2-yl]-N'-methylsulfuric diamide × 2 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 2 EDO 1,2-ETHANEDIOL × 11 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;0.24 M di-ammonium hydrogen phosphate pH 8.0, 20% w/v PEG 3350 Resolution 2.07 Å R-free 0.248

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.

92 other PDB entries and 122 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MP2K1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–228; UniProt 37–263 Author chain A; PDBConstruct 235–310; UniProt 308–383 Author chain C; PDBConstruct 2–228; UniProt 37–263 Author chain C; PDBConstruct 235–310; UniProt 308–383

Serine/threonine-protein kinase B-raf

Homo sapiens

UniProt P15056

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 445–723 Chain D; UniProt 445–723 Not recorded Dual specificity mitogen-activated protein kinase kinase 1 × 2 (Q02750) A1AHE N-[3-fluoro-4-({7-[(3-fluoropyridin-2-yl)oxy]-4-methyl-2-oxo-2H-1-benzopyran-3-yl}methyl)pyridin-2-yl]-N'-methylsulfuric diamide × 2 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 2 EDO 1,2-ETHANEDIOL × 11 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;0.24 M di-ammonium hydrogen phosphate pH 8.0, 20% w/v PEG 3350 Resolution 2.07 Å R-free 0.248

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.

122 other PDB entries and 190 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRAF_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–280; UniProt 445–723 Author chain D; PDBConstruct 2–280; UniProt 445–723

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 9axx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9axx
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9axx
Deposition date deposition_date2024-03-06
Structure title titleCrystal structure of BRAF/MEK1 complex with NST-628 and an active RAF dimer
Keywords keywordsInhibitor, complex, SIGNALING PROTEIN, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.48
Radius of gyration Rg (electron density) rg_electron33.84
Forward intensity I(0) i0249747000.00
Molecular weight molecular_weight127480.0 kDa
Excluded volume excluded_volume159730 ų
Envelope volume envelope_volume206400 ų
Hydration-shell volume shell_volume49598 ų
Envelope diameter envelope_diameter113.1
Shell Rg shell_rg41.78
Envelope Rg envelope_rg33.01
Shape Rg shape_rg33.85
Total Rg total_rg34.39
Total atoms total_atoms8945
Residues n_residues1132
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 dmax105.9
Rg (real space) rg_real34.32
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real2.4970e+08
I(0) uncertainty (real space) i0_real_error3.9250e+06
Rg (reciprocal space) rg_reciprocal34.42
I(0) (reciprocal space) i0_reciprocal249800000.0000
Solution quality estimate total_estimate0.9066
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.0
Skewness Skewness skewness0.101
Kurtosis Kurtosis kurtosis-0.595
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha64070000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.925

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)