4lyh

Crystal Structure of small molecule vinylsulfonamide 9 covalently bound to K-Ras G12C

Method: X-RAY DIFFRACTION Dmax: 98.4 Å Quality: GOOD

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

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–169 Chain B; UniProt 1–169 Chain C; UniProt 1–169 Fragment:UNP residues 1-169 SO4 SULFATE ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 3 21F N-{1-[N-(4-chloro-5-iodo-2-methoxyphenyl)glycyl]piperidin-4-yl}ethanesulfonamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;1.9M (NH4)2SO4, 0.2M NaCl, 0.1M Na-cacodylate, pH 6.5, vapor diffusion, hanging drop, temperature 293K Resolution 1.37 Å R-free 0.188
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–169 Fragment:UNP residues 1-169 SO4 SULFATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;1.9M (NH4)2SO4, 0.2M NaCl, 0.1M Na-cacodylate, pH 6.5, vapor diffusion, hanging drop, temperature 293K Resolution 1.37 Å R-free 0.188
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Fragment:UNP residues 1-169 GDP GUANOSINE-5'-DIPHOSPHATE × 1 21F N-{1-[N-(4-chloro-5-iodo-2-methoxyphenyl)glycyl]piperidin-4-yl}ethanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;1.9M (NH4)2SO4, 0.2M NaCl, 0.1M Na-cacodylate, pH 6.5, vapor diffusion, hanging drop, temperature 293K Resolution 1.37 Å R-free 0.188
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–169 Fragment:UNP residues 1-169 SO4 SULFATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 21F N-{1-[N-(4-chloro-5-iodo-2-methoxyphenyl)glycyl]piperidin-4-yl}ethanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;1.9M (NH4)2SO4, 0.2M NaCl, 0.1M Na-cacodylate, pH 6.5, vapor diffusion, hanging drop, temperature 293K Resolution 1.37 Å R-free 0.188

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
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–170; UniProt 1–169 Author chain B; PDBConstruct 2–170; UniProt 1–169 Author chain C; 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 4lyh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4lyh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4lyh
Deposition date deposition_date2013-07-31
Structure title titleCrystal Structure of small molecule vinylsulfonamide 9 covalently bound to K-Ras G12C
Keywords keywordsGTPase, GDP bound, small molecule inhibitor, covalent binder, SIGNALING PROTEIN-INHIBITOR complex; SIGNALING PROTEIN/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.63
Radius of gyration Rg (electron density) rg_electron29.05
Forward intensity I(0) i056012100.00
Molecular weight molecular_weight56325.0 kDa
Excluded volume excluded_volume69474 ų
Envelope volume envelope_volume86836 ų
Hydration-shell volume shell_volume26953 ų
Envelope diameter envelope_diameter104.1
Shell Rg shell_rg34.10
Envelope Rg envelope_rg28.85
Shape Rg shape_rg29.00
Total Rg total_rg29.67
Total atoms total_atoms7773
Residues n_residues478
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 dmax98.4
Rg (real space) rg_real29.86
Rg uncertainty (real space) rg_real_error0.84
I(0) (real space) i0_real5.6010e+07
I(0) uncertainty (real space) i0_real_error8.1660e+05
Rg (reciprocal space) rg_reciprocal29.76
I(0) (reciprocal space) i0_reciprocal56010000.0000
Solution quality estimate total_estimate0.8491
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.0
Skewness Skewness skewness0.500
Kurtosis Kurtosis kurtosis-0.394
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10460000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.810; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.811; Smooth: 0.793

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4lyha_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd4lyhb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd4lyhc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins

CATH v4.4 (3 domains)

Domain ID domain_id4lyhA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id4lyhB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id4lyhC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)