3qbv

Structure of designed orthogonal interaction between CDC42 and nucleotide exchange domains of intersectin

Method: X-RAY DIFFRACTION Dmax: 111.4 Å Quality: GOOD

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

Cell division control protein 42 homolog

Homo sapiens

UniProt P60953

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 1–178 Fragment:UNP Residues 1-178 Mutation:F56R Intersectin-1 × 1 (Q15811) GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;100mm TRIS pH 7.5, 25% PEG 3350, 150mm ammonium sulfate, and 1mM DTT, temperature 295k, VAPOR DIFFUSION, HANGING DROP Resolution 2.65 Å R-free 0.284
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–178 Fragment:UNP Residues 1-178 Mutation:F56R Intersectin-1 × 1 (Q15811) GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;100mm TRIS pH 7.5, 25% PEG 3350, 150mm ammonium sulfate, and 1mM DTT, temperature 295k, VAPOR DIFFUSION, HANGING DROP Resolution 2.65 Å R-free 0.284

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.

45 other PDB entries and 67 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CDC42_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–178; UniProt 1–178 Author chain C; PDBConstruct 1–178; UniProt 1–178

Intersectin-1

Homo sapiens

UniProt Q15811

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 B; UniProt 1229–1579 Fragment:DH AND PH DOMAINS (UNP Residues 1229-1571) Mutation:S1373E Cell division control protein 42 homolog × 1 (P60953) GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;100mm TRIS pH 7.5, 25% PEG 3350, 150mm ammonium sulfate, and 1mM DTT, temperature 295k, VAPOR DIFFUSION, HANGING DROP Resolution 2.65 Å R-free 0.284
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1229–1579 Fragment:DH AND PH DOMAINS (UNP Residues 1229-1571) Mutation:S1373E Cell division control protein 42 homolog × 1 (P60953) GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;100mm TRIS pH 7.5, 25% PEG 3350, 150mm ammonium sulfate, and 1mM DTT, temperature 295k, VAPOR DIFFUSION, HANGING DROP Resolution 2.65 Å R-free 0.284

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.

10 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ITSN1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–351; UniProt 1229–1579 Author chain D; PDBConstruct 1–351; UniProt 1229–1579

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 3qbv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3qbv
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id3qbv
Deposition date deposition_date2011-01-14
Structure title titleStructure of designed orthogonal interaction between CDC42 and nucleotide exchange domains of intersectin
Keywords keywords;Computationally designed, orthogonal interaction, GTPase, nucleotide exchange, cell membrane, GTP-binding, lipoprotein, membrane, methylation, nucleotide-binding, prenylation, cell junction, cell projection, endocytosis, phosphoprotein, SH3 domain, synapse, synaptosome, protein binding-signaling protein complex ;; PROTEIN BINDING/SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.54
Radius of gyration Rg (electron density) rg_electron34.00
Forward intensity I(0) i0160250000.00
Molecular weight molecular_weight98814.0 kDa
Excluded volume excluded_volume122640 ų
Envelope volume envelope_volume172220 ų
Hydration-shell volume shell_volume42824 ų
Envelope diameter envelope_diameter118.9
Shell Rg shell_rg39.82
Envelope Rg envelope_rg33.76
Shape Rg shape_rg34.00
Total Rg total_rg34.45
Total atoms total_atoms6953
Residues n_residues950
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 dmax111.4
Rg (real space) rg_real34.56
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real1.6020e+08
I(0) uncertainty (real space) i0_real_error2.7980e+06
Rg (reciprocal space) rg_reciprocal34.55
I(0) (reciprocal space) i0_reciprocal160200000.0000
Solution quality estimate total_estimate0.8902
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.2
Skewness Skewness skewness0.370
Kurtosis Kurtosis kurtosis-0.315
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27090000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.817

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id3qbvA00
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_id3qbvB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily10 — Dbl homology (DH) domain
Domain ID domain_id3qbvB02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id3qbvC00
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_id3qbvD01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology900 — Dbl Homology Domain; Chain A
Homologous superfamily homologous superfamily10 — Dbl homology (DH) domain
Domain ID domain_id3qbvD02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

8. Citations (1)

9. Files and Curves (10)