9i7y

Crystal Structure of KRasG13C in Complex with Nucleotide-based Covalent Inhibitor 7b

Method: X-RAY DIFFRACTION Dmax: 95.6 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 Not recorded A1I08 [(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-oxidanyl-2-[[oxidanyl(phosphonooxy)phosphoryl]oxymethyl]oxolan-3-yl] (3~{S})-3-(propanoylamino)piperidine-1-carboxylate × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;30 % PEG4000, 100 mM NaAc pH 9.0, 200 mM Tris pH 9.0 followed by shrinking of the crystal in new drop with crytallization condition, SEC buffer and 20 % glycerol for 24 h. Resolution 1.85 Å R-free 0.228
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Not recorded A1I08 [(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-oxidanyl-2-[[oxidanyl(phosphonooxy)phosphoryl]oxymethyl]oxolan-3-yl] (3~{S})-3-(propanoylamino)piperidine-1-carboxylate × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;30 % PEG4000, 100 mM NaAc pH 9.0, 200 mM Tris pH 9.0 followed by shrinking of the crystal in new drop with crytallization condition, SEC buffer and 20 % glycerol for 24 h. Resolution 1.85 Å R-free 0.228
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–169 Not recorded A1I08 [(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-oxidanyl-2-[[oxidanyl(phosphonooxy)phosphoryl]oxymethyl]oxolan-3-yl] (3~{S})-3-(propanoylamino)piperidine-1-carboxylate × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;30 % PEG4000, 100 mM NaAc pH 9.0, 200 mM Tris pH 9.0 followed by shrinking of the crystal in new drop with crytallization condition, SEC buffer and 20 % glycerol for 24 h. Resolution 1.85 Å R-free 0.228

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 802 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 3–171; UniProt 1–169 Author chain B; PDBConstruct 3–171; UniProt 1–169 Author chain C; PDBConstruct 3–171; 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 9i7y

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9i7y
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id9i7y
Deposition date deposition_date2025-02-03
最后修订 last_revision2025-11-12
Structure title titleCrystal Structure of KRasG13C in Complex with Nucleotide-based Covalent Inhibitor 7b
Keywords keywordsKRas, GTPase, Nucleotide-based Inhibitor, covalent, G13C, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.77
Radius of gyration Rg (electron density) rg_electron28.50
Forward intensity I(0) i092253300.00
Molecular weight molecular_weight49689.0 kDa
Excluded volume excluded_volume47473 ų
Envelope volume envelope_volume83556 ų
Hydration-shell volume shell_volume26281 ų
Envelope diameter envelope_diameter101.3
Shell Rg shell_rg33.80
Envelope Rg envelope_rg28.17
Shape Rg shape_rg28.46
Total Rg total_rg28.94
Total atoms total_atoms3751
Residues n_residues471
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 dmax95.6
Rg (real space) rg_real28.94
Rg uncertainty (real space) rg_real_error0.81
I(0) (real space) i0_real9.2250e+07
I(0) uncertainty (real space) i0_real_error1.3460e+06
Rg (reciprocal space) rg_reciprocal28.87
I(0) (reciprocal space) i0_reciprocal92250000.0000
Solution quality estimate total_estimate0.6651
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.1
Skewness Skewness skewness0.452
Kurtosis Kurtosis kurtosis-0.480
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11000000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.837; Stabil: 1.000; Sysdev: 0.156; Positv: 1.000; Valcen: 0.745; Smooth: 0.919

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)