6cch

NMR data-driven model of GTPase KRas-GMPPNP tethered to a nanodisc (E3 state)

Method: SOLUTION NMR Dmax: 128.7 Å Quality: GOOD

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

Apolipoprotein A-I

Homo sapiens

UniProt P02647

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 68–265 Chain C; UniProt 68–265 Fragment:UNP residues 68-265 GTPase KRas × 1 (P01116) PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 64 17F O-[(S)-({(2R)-2,3-bis[(9Z)-octadec-9-enoyloxy]propyl}oxy)(hydroxy)phosphoryl]-L-serine × 16 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 SOLUTION NMR NMR measurement conditions:pH 7.4;298 K;Ionic strength (raw mmCIF value) 105;Pressure 1 NMR sample composition:0.2 mM U-15N, Ile, Leu C-delta-13C, Val C-gamma-13C GTPase KRas isoform b, 0.4 mM Membrane Scaffold Protein, 100 mM sodium chloride, 20 mM TRIS, 5 mM magnesium chloride, 2 mM TCEP, 0.2 mM GMPPNP, 12 mM DOPC, 3.2 mM DOPS, 0.8 mM PE-MCC, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.2 mM U-15N, Ile, Leu C-delta-13C, Val C-gamma-13C GTPase KRas isoform b, 0.4 mM Membrane Scaffold Protein, 100 mM sodium chloride, 20 mM TRIS, 5 mM magnesium chloride, 2 mM TCEP, 0.2 mM GMPPNP, 12 mM DOPC, 3.2 mM DOPS, 0.8 mM PE-MCC, 0.4 mM PE-DTPA-Gd, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

30 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name APOA1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–200; UniProt 68–265 Author chain C; PDBConstruct 3–200; UniProt 68–265

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–185 Mutation:G12V Apolipoprotein A-I × 2 (P02647) PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 64 17F O-[(S)-({(2R)-2,3-bis[(9Z)-octadec-9-enoyloxy]propyl}oxy)(hydroxy)phosphoryl]-L-serine × 16 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 SOLUTION NMR NMR measurement conditions:pH 7.4;298 K;Ionic strength (raw mmCIF value) 105;Pressure 1 NMR sample composition:0.2 mM U-15N, Ile, Leu C-delta-13C, Val C-gamma-13C GTPase KRas isoform b, 0.4 mM Membrane Scaffold Protein, 100 mM sodium chloride, 20 mM TRIS, 5 mM magnesium chloride, 2 mM TCEP, 0.2 mM GMPPNP, 12 mM DOPC, 3.2 mM DOPS, 0.8 mM PE-MCC, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.2 mM U-15N, Ile, Leu C-delta-13C, Val C-gamma-13C GTPase KRas isoform b, 0.4 mM Membrane Scaffold Protein, 100 mM sodium chloride, 20 mM TRIS, 5 mM magnesium chloride, 2 mM TCEP, 0.2 mM GMPPNP, 12 mM DOPC, 3.2 mM DOPS, 0.8 mM PE-MCC, 0.4 mM PE-DTPA-Gd, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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 804 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASK_HUMAN
Isoform P01116-2
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–187; UniProt 1–185

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 6cch

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6cch
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6cch
Deposition date deposition_date2018-02-07
Structure title titleNMR data-driven model of GTPase KRas-GMPPNP tethered to a nanodisc (E3 state)
Keywords keywordsprotein-bilayer-compound complex, MEMBRANE PROTEIN-ONCOPROTEIN complex; MEMBRANE PROTEIN/ONCOPROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier44.39
Radius of gyration Rg (electron density) rg_electron38.86
Forward intensity I(0) i05078110000.00
Molecular weight molecular_weight915000.0 kDa
Excluded volume excluded_volume1277800 ų
Envelope volume envelope_volume501560 ų
Hydration-shell volume shell_volume93272 ų
Envelope diameter envelope_diameter129.9
Shell Rg shell_rg51.39
Envelope Rg envelope_rg41.67
Shape Rg shape_rg39.08
Total Rg total_rg37.86
Total atoms total_atoms66409
Residues n_residues4067
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 dmax128.7
Rg (real space) rg_real44.05
Rg uncertainty (real space) rg_real_error1.23
I(0) (real space) i0_real5.0780e+09
I(0) uncertainty (real space) i0_real_error9.5240e+07
Rg (reciprocal space) rg_reciprocal44.39
I(0) (reciprocal space) i0_reciprocal5080000000.0000
Solution quality estimate total_estimate0.8745
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary64.3
Skewness Skewness skewness-0.185
Kurtosis Kurtosis kurtosis-0.562
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5556000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.859; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.804

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id6cchB00
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)