9u99

Crystal structure of KRAS-G12D/E62K mutant in complex with MRTX-1133

Method: X-RAY DIFFRACTION Dmax: 101.6 Å Quality: REASONABLE

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

Isoform 2B of GTPase KRas

Homo sapiens

UniProt P01116

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 1–169 Mutation:G12D,E62K 6IC 4-(4-[(1R,5S)-3,8-diazabicyclo[3.2.1]octan-3-yl]-8-fluoro-2-{[(2R,4R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl]methoxy}pyrido[4,3-d]pyrimidin-7-yl)-5-ethynyl-6-fluoronaphthalen-2-ol × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.2 M Sodium chloride, 0.1 M Sodium acetate pH5.0, 20% (w/v) PEG 6000 Resolution 2.50 Å R-free 0.250
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Mutation:G12D,E62K 6IC 4-(4-[(1R,5S)-3,8-diazabicyclo[3.2.1]octan-3-yl]-8-fluoro-2-{[(2R,4R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl]methoxy}pyrido[4,3-d]pyrimidin-7-yl)-5-ethynyl-6-fluoronaphthalen-2-ol × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.2 M Sodium chloride, 0.1 M Sodium acetate pH5.0, 20% (w/v) PEG 6000 Resolution 2.50 Å R-free 0.250
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–169 Mutation:G12D,E62K 6IC 4-(4-[(1R,5S)-3,8-diazabicyclo[3.2.1]octan-3-yl]-8-fluoro-2-{[(2R,4R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl]methoxy}pyrido[4,3-d]pyrimidin-7-yl)-5-ethynyl-6-fluoronaphthalen-2-ol × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.2 M Sodium chloride, 0.1 M Sodium acetate pH5.0, 20% (w/v) PEG 6000 Resolution 2.50 Å R-free 0.250
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–169 Mutation:G12D,E62K 6IC 4-(4-[(1R,5S)-3,8-diazabicyclo[3.2.1]octan-3-yl]-8-fluoro-2-{[(2R,4R,7aS)-2-fluorotetrahydro-1H-pyrrolizin-7a(5H)-yl]methoxy}pyrido[4,3-d]pyrimidin-7-yl)-5-ethynyl-6-fluoronaphthalen-2-ol × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;0.2 M Sodium chloride, 0.1 M Sodium acetate pH5.0, 20% (w/v) PEG 6000 Resolution 2.50 Å R-free 0.250

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.

445 other PDB entries and 801 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASK_HUMAN
Isoform P01116-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 21–189; UniProt 1–169 Author chain B; PDBConstruct 21–189; UniProt 1–169 Author chain C; PDBConstruct 21–189; UniProt 1–169 Author chain D; PDBConstruct 21–189; UniProt 1–169

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 9u99

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9u99
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9u99
Deposition date deposition_date2025-03-27
最后修订 last_revision2026-03-25
Structure title titleCrystal structure of KRAS-G12D/E62K mutant in complex with MRTX-1133
Keywords keywordsComplex structure, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.31
Radius of gyration Rg (electron density) rg_electron29.66
Forward intensity I(0) i0111396000.00
Molecular weight molecular_weight80941.0 kDa
Excluded volume excluded_volume100090 ų
Envelope volume envelope_volume122440 ų
Hydration-shell volume shell_volume34971 ų
Envelope diameter envelope_diameter105.2
Shell Rg shell_rg36.20
Envelope Rg envelope_rg29.53
Shape Rg shape_rg29.66
Total Rg total_rg30.22
Total atoms total_atoms5677
Residues n_residues676
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 dmax101.6
Rg (real space) rg_real30.26
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real1.1140e+08
I(0) uncertainty (real space) i0_real_error1.8530e+06
Rg (reciprocal space) rg_reciprocal30.29
I(0) (reciprocal space) i0_reciprocal111400000.0000
Solution quality estimate total_estimate0.6761
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.2
Skewness Skewness skewness0.241
Kurtosis Kurtosis kurtosis-0.493
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha35280000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.869; Stabil: 1.000; Sysdev: 0.077; Positv: 1.000; Valcen: 0.973; Smooth: 0.976

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)