7rsc

NMR-driven structure of the KRAS4B-G12D "alpha-alpha" dimer on a lipid bilayer nanodisc

Method: SOLUTION NMR Dmax: 124.2 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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 2–185 Chain B; UniProt 2–185 Mutation:G12D Apolipoprotein A-I × 2 (P02647) GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 2 MG MAGNESIUM ION × 2 7Q9 [(2~{R})-3-[oxidanyl-[2-(trimethyl-$l^{4}-azanyl)ethoxy]phosphoryl]oxy-2-propanoyloxy-propyl] (~{Z})-octadec-9-enoate × 128 17F O-[(S)-({(2R)-2,3-bis[(9Z)-octadec-9-enoyloxy]propyl}oxy)(hydroxy)phosphoryl]-L-serine × 32 SOLUTION NMR NMR measurement conditions:pH 7.4;288 K;Ionic strength (raw mmCIF value) 100;Pressure 1 NMR sample composition:80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B, 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 1
Chains and sequence ranges Author chain A; PDBConstruct 2–185; UniProt 2–185 Author chain B; PDBConstruct 2–185; UniProt 2–185

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 68–265 Chain E; UniProt 68–265 Not recorded GTPase KRas × 2 (P01116) GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 2 MG MAGNESIUM ION × 2 7Q9 [(2~{R})-3-[oxidanyl-[2-(trimethyl-$l^{4}-azanyl)ethoxy]phosphoryl]oxy-2-propanoyloxy-propyl] (~{Z})-octadec-9-enoate × 128 17F O-[(S)-({(2R)-2,3-bis[(9Z)-octadec-9-enoyloxy]propyl}oxy)(hydroxy)phosphoryl]-L-serine × 32 SOLUTION NMR NMR measurement conditions:pH 7.4;288 K;Ionic strength (raw mmCIF value) 100;Pressure 1 NMR sample composition:80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B, 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 2
Chains and sequence ranges Author chain D; PDBConstruct 3–200; UniProt 68–265 Author chain E; PDBConstruct 3–200; UniProt 68–265

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 7rsc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7rsc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7rsc
Deposition date deposition_date2021-08-11
Structure title titleNMR-driven structure of the KRAS4B-G12D "alpha-alpha" dimer on a lipid bilayer nanodisc
Keywords keywordsnanodisc, ONCOPROTEIN; ONCOPROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier46.88
Radius of gyration Rg (electron density) rg_electron43.09
Forward intensity I(0) i099847300000.00
Molecular weight molecular_weight3713500.0 kDa
Excluded volume excluded_volume5078900 ų
Envelope volume envelope_volume553590 ų
Hydration-shell volume shell_volume98832 ų
Envelope diameter envelope_diameter130.4
Shell Rg shell_rg53.45
Envelope Rg envelope_rg43.14
Shape Rg shape_rg43.28
Total Rg total_rg42.07
Total atoms total_atoms286440
Residues n_residues14800
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 dmax124.2
Rg (real space) rg_real46.42
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real9.9850e+10
I(0) uncertainty (real space) i0_real_error1.6230e+09
Rg (reciprocal space) rg_reciprocal46.88
I(0) (reciprocal space) i0_reciprocal99900000000.0000
Solution quality estimate total_estimate0.8079
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary80.3
Skewness Skewness skewness-0.250
Kurtosis Kurtosis kurtosis-0.779
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14390000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.860; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id7rscA01
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_id7rscB01
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)