8g9p

Tricomplex of RMC-4998, KRAS G12C, and CypA

Method: X-RAY DIFFRACTION Dmax: 87.6 Å Quality: EXCELLENT

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–169 Mutation:G12C Peptidyl-prolyl cis-trans isomerase A × 1 (P62937) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 1 YV2 (2S)-2-{(5S)-7-[(2E)-4-(dimethylamino)-4-methylpent-2-enoyl]-1-oxo-2,7-diazaspiro[4.4]nonan-2-yl}-N-[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]-3-methylbutanamide (non-preferred name) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;291 K;22% PEG 3350, 100 mM NaCl Resolution 1.50 Å R-free 0.188
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–169 Mutation:G12C Peptidyl-prolyl cis-trans isomerase A × 1 (P62937) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 1 YV2 (2S)-2-{(5S)-7-[(2E)-4-(dimethylamino)-4-methylpent-2-enoyl]-1-oxo-2,7-diazaspiro[4.4]nonan-2-yl}-N-[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]-3-methylbutanamide (non-preferred name) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;291 K;22% PEG 3350, 100 mM NaCl Resolution 1.50 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 803 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 2–170; UniProt 1–169 Author chain B; PDBConstruct 2–170; UniProt 1–169

Peptidyl-prolyl cis-trans isomerase A

Homo sapiens

UniProt P62937

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 D; UniProt 1–165 Not recorded GTPase KRas × 1 (P01116) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 1 YV2 (2S)-2-{(5S)-7-[(2E)-4-(dimethylamino)-4-methylpent-2-enoyl]-1-oxo-2,7-diazaspiro[4.4]nonan-2-yl}-N-[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]-3-methylbutanamide (non-preferred name) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;291 K;22% PEG 3350, 100 mM NaCl Resolution 1.50 Å R-free 0.188
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–165 Not recorded GTPase KRas × 1 (P01116) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 CL CHLORIDE ION × 1 YV2 (2S)-2-{(5S)-7-[(2E)-4-(dimethylamino)-4-methylpent-2-enoyl]-1-oxo-2,7-diazaspiro[4.4]nonan-2-yl}-N-[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]-3-methylbutanamide (non-preferred name) × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;291 K;22% PEG 3350, 100 mM NaCl Resolution 1.50 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.

183 other PDB entries and 257 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PPIA_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 2–166; UniProt 1–165 Author chain D; PDBConstruct 2–166; UniProt 1–165

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 8g9p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8g9p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8g9p
Deposition date deposition_date2023-02-21
Structure title titleTricomplex of RMC-4998, KRAS G12C, and CypA
Keywords keywordsinhibitor, complex, small GTPase, cancer, tricomplex, 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_guinier28.61
Radius of gyration Rg (electron density) rg_electron27.84
Forward intensity I(0) i0101753000.00
Molecular weight molecular_weight77846.0 kDa
Excluded volume excluded_volume96699 ų
Envelope volume envelope_volume117580 ų
Hydration-shell volume shell_volume34847 ų
Envelope diameter envelope_diameter94.5
Shell Rg shell_rg35.50
Envelope Rg envelope_rg27.75
Shape Rg shape_rg27.86
Total Rg total_rg28.52
Total atoms total_atoms5459
Residues n_residues670
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 dmax87.6
Rg (real space) rg_real28.49
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real1.0180e+08
I(0) uncertainty (real space) i0_real_error1.6840e+06
Rg (reciprocal space) rg_reciprocal28.54
I(0) (reciprocal space) i0_reciprocal101800000.0000
Solution quality estimate total_estimate0.9104
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.8
Skewness Skewness skewness0.128
Kurtosis Kurtosis kurtosis-0.589
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha36570000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.966

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id8g9pA01
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_id8g9pB01
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_id8g9pC01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology100 — Cyclophilin
Homologous superfamily homologous superfamily10 — Cyclophilin-like
Domain ID domain_id8g9pD01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology100 — Cyclophilin
Homologous superfamily homologous superfamily10 — Cyclophilin-like

8. Citations (1)

9. Files and Curves (10)