6vc8

Crystal structure of wild-type KRAS4b(1-169) in complex with GMPPNP and Mg ion

Method: X-RAY DIFFRACTION Dmax: 97.7 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–169 Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;32% PEG 4000, 800 mM LiCl, 100 mM Magnesium Chloride and 100 mM Tris pH 8.5 Resolution 2.50 Å R-free 0.277
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–169 Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;32% PEG 4000, 800 mM LiCl, 100 mM Magnesium Chloride and 100 mM Tris pH 8.5 Resolution 2.50 Å R-free 0.277
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–169 Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;32% PEG 4000, 800 mM LiCl, 100 mM Magnesium Chloride and 100 mM Tris pH 8.5 Resolution 2.50 Å R-free 0.277

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 802 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 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 6vc8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6vc8
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6vc8
Deposition date deposition_date2019-12-20
Structure title titleCrystal structure of wild-type KRAS4b(1-169) in complex with GMPPNP and Mg ion
Keywords keywordsKRAS, RAS, KRAS4b, ONCOPROTEIN; ONCOPROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.74
Radius of gyration Rg (electron density) rg_electron28.50
Forward intensity I(0) i048328800.00
Molecular weight molecular_weight52025.0 kDa
Excluded volume excluded_volume64104 ų
Envelope volume envelope_volume79495 ų
Hydration-shell volume shell_volume25240 ų
Envelope diameter envelope_diameter100.8
Shell Rg shell_rg33.12
Envelope Rg envelope_rg28.44
Shape Rg shape_rg28.51
Total Rg total_rg28.91
Total atoms total_atoms3647
Residues n_residues470
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 dmax97.7
Rg (real space) rg_real28.94
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real4.8330e+07
I(0) uncertainty (real space) i0_real_error7.7740e+05
Rg (reciprocal space) rg_reciprocal28.85
I(0) (reciprocal space) i0_reciprocal48330000.0000
Solution quality estimate total_estimate0.8427
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.505
Kurtosis Kurtosis kurtosis-0.335
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9867000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.793; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.691; Smooth: 0.881

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd6vc8a_
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_idd6vc8b_
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_idd6vc8c_
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_id6vc8A01
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_id6vc8B01
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_id6vc8C01
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)