2w6b

Crystal Structure of the Trimeric beta-PIX Coiled-Coil Domain

Method: X-RAY DIFFRACTION Dmax: 82.7 Å Quality: REASONABLE

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

RHO GUANINE NUCLEOTIDE EXCHANGE FACTOR 7

RATTUS NORVEGICUS

UniProt O55043

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 588–638 Fragment:COILED-COIL, RESIDUES 588-638 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:35% MPD, 0.24 M NON-DETERGENT SULPHOBETAINE 195 (NDSB-195) Resolution 2.80 Å R-free 0.305

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.

5 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ARHG7_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–56; UniProt 588–638

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 2w6b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2w6b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2w6b
Deposition date deposition_date2008-12-17
Structure title titleCrystal Structure of the Trimeric beta-PIX Coiled-Coil Domain
Keywords keywords;PHOSPHOPROTEIN, GUANINE-NUCLEOTIDE RELEASING FACTOR, GIT, PAK, PIX, COOL, RAC1, GIT1, CDC42, COOL-1, ARHGEF7, BETA-PIX, SH3 DOMAIN, COILED-COIL, SIGNALING PROTEIN ;; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.62
Radius of gyration Rg (electron density) rg_electron21.72
Forward intensity I(0) i0855411.00
Molecular weight molecular_weight5933.0 kDa
Excluded volume excluded_volume7292 ų
Envelope volume envelope_volume10252 ų
Hydration-shell volume shell_volume5727 ų
Envelope diameter envelope_diameter79.2
Shell Rg shell_rg21.58
Envelope Rg envelope_rg22.22
Shape Rg shape_rg21.71
Total Rg total_rg21.71
Total atoms total_atoms408
Residues n_residues50
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 dmax82.7
Rg (real space) rg_real21.39
Rg uncertainty (real space) rg_real_error1.48
I(0) (real space) i0_real8.5540e+05
I(0) uncertainty (real space) i0_real_error1.4880e+04
Rg (reciprocal space) rg_reciprocal21.24
I(0) (reciprocal space) i0_reciprocal855300.0000
Solution quality estimate total_estimate0.6273
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary10.8
Skewness Skewness skewness0.762
Kurtosis Kurtosis kurtosis-0.075
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha33600.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.072; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.004; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2w6bA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily390 — L1 transposable element, trimerization domain

8. Citations (1)

9. Files and Curves (10)