5vpz

Crystal structure of human KRAS G12A mutant in complex with GTP-gamma-S

Method: X-RAY DIFFRACTION Dmax: 64.6 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–169 Fragment:residues 1-169 Mutation:G12A, C118S MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;295 K;0.2 mol/L sodium acetate, 0.1 mol/L Tris pH 8.5, 24% PEG 3,350 Resolution 1.85 Å R-free 0.234
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Fragment:residues 1-169 Mutation:G12A, C118S MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;295 K;0.2 mol/L sodium acetate, 0.1 mol/L Tris pH 8.5, 24% PEG 3,350 Resolution 1.85 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 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

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 5vpz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5vpz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5vpz
Deposition date deposition_date2017-05-06
Structure title titleCrystal structure of human KRAS G12A mutant in complex with GTP-gamma-S
Keywords keywordsOncogenic mutant, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.03
Radius of gyration Rg (electron density) rg_electron19.75
Forward intensity I(0) i025480300.00
Molecular weight molecular_weight37009.0 kDa
Excluded volume excluded_volume45661 ų
Envelope volume envelope_volume53222 ų
Hydration-shell volume shell_volume22078 ų
Envelope diameter envelope_diameter64.2
Shell Rg shell_rg26.64
Envelope Rg envelope_rg19.97
Shape Rg shape_rg19.73
Total Rg total_rg20.67
Total atoms total_atoms2591
Residues n_residues316
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 dmax64.6
Rg (real space) rg_real20.92
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real2.5480e+07
I(0) uncertainty (real space) i0_real_error3.1430e+05
Rg (reciprocal space) rg_reciprocal20.94
I(0) (reciprocal space) i0_reciprocal25480000.0000
Solution quality estimate total_estimate0.9038
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.2
Skewness Skewness skewness0.176
Kurtosis Kurtosis kurtosis-0.483
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4795000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.935; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.947

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd5vpza1
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_idd5vpza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd5vpzb1
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_idd5vpzb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id5vpzA00
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_id5vpzB00
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)