3su8

Crystal structure of a truncated intracellular domain of Plexin-B1 in complex with Rac1

Method: X-RAY DIFFRACTION Dmax: 123.8 Å Quality: REASONABLE

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

Ras-related C3 botulinum toxin substrate 1

Homo sapiens

UniProt P63000

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 A; UniProt 1–177 Fragment:UNP residues 1-177 Plexin-B1 × 1 (O43157) MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.20 Å R-free 0.238

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.

74 other PDB entries and 102 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RAC1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–177; UniProt 1–177

Plexin-B1

Homo sapiens

UniProt O43157

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 X; UniProt 1533–2135 Fragment:UNP residues 1533-2135 Ras-related C3 botulinum toxin substrate 1 × 1 (P63000) MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.20 Å R-free 0.238

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.

11 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PLXB1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain X; PDBConstruct 9–611; UniProt 1533–2135

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 3su8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3su8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3su8
Deposition date deposition_date2011-07-11
Structure title titleCrystal structure of a truncated intracellular domain of Plexin-B1 in complex with Rac1
Keywords keywordsAxon guidance, signal transduction, APOPTOSIS-SIGNALING PROTEIN complex; APOPTOSIS/SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.58
Radius of gyration Rg (electron density) rg_electron36.52
Forward intensity I(0) i0100344000.00
Molecular weight molecular_weight81835.0 kDa
Excluded volume excluded_volume103220 ų
Envelope volume envelope_volume144180 ų
Hydration-shell volume shell_volume35233 ų
Envelope diameter envelope_diameter133.1
Shell Rg shell_rg39.94
Envelope Rg envelope_rg36.09
Shape Rg shape_rg36.48
Total Rg total_rg36.90
Total atoms total_atoms5762
Residues n_residues717
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 dmax123.8
Rg (real space) rg_real36.89
Rg uncertainty (real space) rg_real_error1.22
I(0) (real space) i0_real1.0030e+08
I(0) uncertainty (real space) i0_real_error1.6950e+06
Rg (reciprocal space) rg_reciprocal36.71
I(0) (reciprocal space) i0_reciprocal100300000.0000
Solution quality estimate total_estimate0.6118
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.7
Skewness Skewness skewness0.456
Kurtosis Kurtosis kurtosis-0.529
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha20870000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.795; Stabil: 1.000; Sysdev: 0.048; Positv: 1.000; Valcen: 0.647; Smooth: 0.773

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id3su8A00
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_id3su8X01
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_id3su8X02
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily90 — Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

8. Citations (1)

9. Files and Curves (10)