9cml

Crystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D223

Method: X-RAY DIFFRACTION Dmax: 68.6 Å Quality: GOOD

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 160–300 Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;277 K;0.1 M (TRIS/Bicine), 0.1 M amino acid mix, 50 %v/v (MPD, PEG 1000, PEG 3350) Resolution 2.01 Å R-free 0.278
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 160–300 Not recorded A1AZD tert-butyl [2-(2-{[(2P)-2-{4-[4-(2-amino-2-oxoethyl)-2-fluoroanilino]thieno[2,3-d]pyridazin-7-yl}phenyl]oxy}ethoxy)ethyl]carbamate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;277 K;0.1 M (TRIS/Bicine), 0.1 M amino acid mix, 50 %v/v (MPD, PEG 1000, PEG 3350) Resolution 2.01 Å R-free 0.278

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 144 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 1–141; UniProt 160–300 Author chain B; PDBConstruct 1–141; UniProt 160–300

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 9cml

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9cml
Deposition date deposition_date2024-07-15
Structure title titleCrystal structure of p110alpha-RAS binding domain (RBD) in complex with molecular glue D223
Keywords keywordsRAS, PI3Kalpha, p110alpha, PIK3CA, RBD, glue, D223, oncoprotein, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.47
Radius of gyration Rg (electron density) rg_electron20.51
Forward intensity I(0) i031425100.00
Molecular weight molecular_weight29578.0 kDa
Excluded volume excluded_volume29084 ų
Envelope volume envelope_volume50854 ų
Hydration-shell volume shell_volume20854 ų
Envelope diameter envelope_diameter71.7
Shell Rg shell_rg26.74
Envelope Rg envelope_rg20.57
Shape Rg shape_rg20.47
Total Rg total_rg21.25
Total atoms total_atoms2232
Residues n_residues268
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 dmax68.6
Rg (real space) rg_real21.35
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real3.1430e+07
I(0) uncertainty (real space) i0_real_error4.1410e+05
Rg (reciprocal space) rg_reciprocal21.38
I(0) (reciprocal space) i0_reciprocal31430000.0000
Solution quality estimate total_estimate0.8993
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.3
Skewness Skewness skewness0.145
Kurtosis Kurtosis kurtosis-0.484
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6718000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.902; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.981

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)