8tbf

Tricomplex of RMC-7977, KRAS WT, and CypA

Method: X-RAY DIFFRACTION Dmax: 82.6 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 Not recorded Peptidyl-prolyl cis-trans isomerase A × 1 (P62937) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 ZNI (1R,5S,6r)-N-[(1P,7S,9S,13S,20M)-20-{5-(4-cyclopropylpiperazin-1-yl)-2-[(1S)-1-methoxyethyl]pyridin-3-yl}-21-ethyl-17,17-dimethyl-8,14-dioxo-15-oxa-4-thia-9,21,27,28-tetraazapentacyclo[17.5.2.1~2,5~.1~9,13~.0~22,26~]octacosa-1(24),2,5(28),19,22,25-hexaen-7-yl]-3-oxabicyclo[3.1.0]hexane-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;291 K;24% PEG4000, 0.1 M Tris-HCl, pH 8.0 Resolution 1.50 Å R-free 0.210
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–169 Not recorded Peptidyl-prolyl cis-trans isomerase A × 1 (P62937) GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 EDO 1,2-ETHANEDIOL × 1 ZNI (1R,5S,6r)-N-[(1P,7S,9S,13S,20M)-20-{5-(4-cyclopropylpiperazin-1-yl)-2-[(1S)-1-methoxyethyl]pyridin-3-yl}-21-ethyl-17,17-dimethyl-8,14-dioxo-15-oxa-4-thia-9,21,27,28-tetraazapentacyclo[17.5.2.1~2,5~.1~9,13~.0~22,26~]octacosa-1(24),2,5(28),19,22,25-hexaen-7-yl]-3-oxabicyclo[3.1.0]hexane-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;291 K;24% PEG4000, 0.1 M Tris-HCl, pH 8.0 Resolution 1.50 Å R-free 0.210

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 ZNI (1R,5S,6r)-N-[(1P,7S,9S,13S,20M)-20-{5-(4-cyclopropylpiperazin-1-yl)-2-[(1S)-1-methoxyethyl]pyridin-3-yl}-21-ethyl-17,17-dimethyl-8,14-dioxo-15-oxa-4-thia-9,21,27,28-tetraazapentacyclo[17.5.2.1~2,5~.1~9,13~.0~22,26~]octacosa-1(24),2,5(28),19,22,25-hexaen-7-yl]-3-oxabicyclo[3.1.0]hexane-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;291 K;24% PEG4000, 0.1 M Tris-HCl, pH 8.0 Resolution 1.50 Å R-free 0.210
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 EDO 1,2-ETHANEDIOL × 1 ZNI (1R,5S,6r)-N-[(1P,7S,9S,13S,20M)-20-{5-(4-cyclopropylpiperazin-1-yl)-2-[(1S)-1-methoxyethyl]pyridin-3-yl}-21-ethyl-17,17-dimethyl-8,14-dioxo-15-oxa-4-thia-9,21,27,28-tetraazapentacyclo[17.5.2.1~2,5~.1~9,13~.0~22,26~]octacosa-1(24),2,5(28),19,22,25-hexaen-7-yl]-3-oxabicyclo[3.1.0]hexane-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;291 K;24% PEG4000, 0.1 M Tris-HCl, pH 8.0 Resolution 1.50 Å R-free 0.210

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 8tbf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8tbf
Deposition date deposition_date2023-06-28
Structure title titleTricomplex of RMC-7977, KRAS WT, and CypA
Keywords keywordsinhibitor, complex, small GTPase, cancer, tricomplex, HYDROLASE-INHIBITOR complex; HYDROLASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.63
Radius of gyration Rg (electron density) rg_electron26.77
Forward intensity I(0) i0101277000.00
Molecular weight molecular_weight77313.0 kDa
Excluded volume excluded_volume95930 ų
Envelope volume envelope_volume113880 ų
Hydration-shell volume shell_volume35083 ų
Envelope diameter envelope_diameter89.4
Shell Rg shell_rg34.55
Envelope Rg envelope_rg26.54
Shape Rg shape_rg26.78
Total Rg total_rg27.48
Total atoms total_atoms5425
Residues n_residues669
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 dmax82.6
Rg (real space) rg_real27.43
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real1.0130e+08
I(0) uncertainty (real space) i0_real_error1.3100e+06
Rg (reciprocal space) rg_reciprocal27.49
I(0) (reciprocal space) i0_reciprocal101300000.0000
Solution quality estimate total_estimate0.9122
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.7
Skewness Skewness skewness0.070
Kurtosis Kurtosis kurtosis-0.616
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha36560000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.962; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (2)

9. Files and Curves (10)