9c15

Crystal structure of the KRAS-p110alpha complex with molecular glue D927

Method: X-RAY DIFFRACTION Dmax: 119.8 Å Quality: REASONABLE

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

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform

Homo sapiens

UniProt P42336

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 105–1068 Mutation:W1057A, I1058A, F1059A GTPase KRas × 1 (P01116) A1ATF 2-[3-fluoro-4-({(7P)-7-[2-(2-methoxyethoxy)phenyl]thieno[2,3-d]pyridazin-4-yl}amino)phenyl]acetamide × 1 MG MAGNESIUM ION × 2 IPA ISOPROPYL ALCOHOL × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;293 K;0.1 M Tris, 0.1 M NaCl, 15% PEG 20K Resolution 2.81 Å R-free 0.234

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.

134 other PDB entries and 145 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PK3CA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–965; UniProt 105–1068

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–169 Not recorded Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform × 1 (P42336) A1ATF 2-[3-fluoro-4-({(7P)-7-[2-(2-methoxyethoxy)phenyl]thieno[2,3-d]pyridazin-4-yl}amino)phenyl]acetamide × 1 MG MAGNESIUM ION × 2 IPA ISOPROPYL ALCOHOL × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;293 K;0.1 M Tris, 0.1 M NaCl, 15% PEG 20K Resolution 2.81 Å R-free 0.234

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 804 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASK_HUMAN
Isoform P01116-2
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–170; 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 9c15

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9c15
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9c15
Deposition date deposition_date2024-05-28
最后修订 last_revision2025-01-22
Structure title titleCrystal structure of the KRAS-p110alpha complex with molecular glue D927
Keywords keywordsRAS, KRAS, PI3Kalpha, p110alpha, PIK3CA, glue, ONCOPROTEIN; ONCOPROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.24
Radius of gyration Rg (electron density) rg_electron34.84
Forward intensity I(0) i0430814000.00
Molecular weight molecular_weight111690.0 kDa
Excluded volume excluded_volume107900 ų
Envelope volume envelope_volume195690 ų
Hydration-shell volume shell_volume47896 ų
Envelope diameter envelope_diameter127.9
Shell Rg shell_rg40.30
Envelope Rg envelope_rg34.90
Shape Rg shape_rg34.83
Total Rg total_rg35.15
Total atoms total_atoms8419
Residues n_residues1055
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 dmax119.8
Rg (real space) rg_real35.36
Rg uncertainty (real space) rg_real_error1.03
I(0) (real space) i0_real4.3080e+08
I(0) uncertainty (real space) i0_real_error6.8540e+06
Rg (reciprocal space) rg_reciprocal35.28
I(0) (reciprocal space) i0_reciprocal430800000.0000
Solution quality estimate total_estimate0.6707
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.9
Skewness Skewness skewness0.510
Kurtosis Kurtosis kurtosis-0.010
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha45080000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.801; Stabil: 1.000; Sysdev: 0.186; Positv: 1.000; Valcen: 0.984; Smooth: 0.768

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)