1wq1

RAS-RASGAP COMPLEX

Method: X-RAY DIFFRACTION Dmax: 88.3 Å Quality: GOOD

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

H-RAS

Homo sapiens

UniProt P01112

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 R; UniProt 1–166 Fragment:CATALYTIC DOMAIN, RESIDUES 1 - 166 P120GAP × 1 (P20936) MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;SEE REF. DESCRIBING THE STRUCTURE, pH 8. Resolution 2.50 Å R-free 0.319

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.

242 other PDB entries and 324 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASH_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain R; PDBConstruct 1–166; UniProt 1–166

P120GAP

Homo sapiens

UniProt P20936

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 G; UniProt 714–1047 Fragment:CATALYTIC DOMAIN, RESIDUES 714 - 1047 H-RAS × 1 (P01112) MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;SEE REF. DESCRIBING THE STRUCTURE, pH 8. Resolution 2.50 Å R-free 0.319

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.

14 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RASA1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 1–334; UniProt 714–1047

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 1wq1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1wq1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1wq1
Deposition date deposition_date1997-07-03
Structure title titleRAS-RASGAP COMPLEX
Keywords keywords;RAS, GAP, SIGNAL TRANSDUCTION, GROWTH REGULATION, GTP HYDROLYSIS, TRANSITION STATE, COMPLEX (GTP-BINDING-GTPASE ACTIVATION), COMPLEX (GTP-BINDING-GTPASE ACTIVATION) complex ;; COMPLEX (GTP-BINDING/GTPASE ACTIVATION)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.79
Radius of gyration Rg (electron density) rg_electron23.72
Forward intensity I(0) i051746800.00
Molecular weight molecular_weight55501.0 kDa
Excluded volume excluded_volume69411 ų
Envelope volume envelope_volume83551 ų
Hydration-shell volume shell_volume28934 ų
Envelope diameter envelope_diameter84.5
Shell Rg shell_rg31.33
Envelope Rg envelope_rg23.97
Shape Rg shape_rg23.73
Total Rg total_rg24.55
Total atoms total_atoms3887
Residues n_residues486
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 dmax88.3
Rg (real space) rg_real24.69
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real5.1750e+07
I(0) uncertainty (real space) i0_real_error6.9110e+05
Rg (reciprocal space) rg_reciprocal24.71
I(0) (reciprocal space) i0_reciprocal51750000.0000
Solution quality estimate total_estimate0.7746
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary29.4
Skewness Skewness skewness0.267
Kurtosis Kurtosis kurtosis-0.354
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11540000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.702; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.961; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1wq1g_
Class classa — All alpha proteins
Fold Fold folda.116 — GTPase activation domain, GAP
Superfamily Superfamily superfamilya.116.1 — GTPase activation domain, GAP
Family Family familya.116.1.2 — p120GAP domain-like
Domain ID domain_idd1wq1r_
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_id1wq1G01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology506 — GTPase Activation - p120GAP; domain 1
Homologous superfamily homologous superfamily10 — GTPase Activation - p120gap; domain 1
Domain ID domain_id1wq1G02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology506 — GTPase Activation - p120GAP; domain 1
Homologous superfamily homologous superfamily10 — GTPase Activation - p120gap; domain 1
Domain ID domain_id1wq1R00
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 (8)

9. Files and Curves (10)