5fi0

Crystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1

Method: X-RAY DIFFRACTION Dmax: 158.5 Å Quality: REASONABLE

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

;Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein,Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein ;

Homo sapiens

UniProt Q8TCU6

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 38–201 Chain A; UniProt 202–408 Not recorded Ras-related C3 botulinum toxin substrate 1 × 1 (P63000) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 38–201 Chain C; UniProt 202–408 Not recorded Ras-related C3 botulinum toxin substrate 1 × 1 (P63000) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 38–201 Chain E; UniProt 202–408 Not recorded Ras-related C3 botulinum toxin substrate 1 × 1 (P63000) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 38–201 Chain G; UniProt 202–408 Not recorded Ras-related C3 botulinum toxin substrate 1 × 1 (P63000) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235

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.

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

View Construct and Data Evidence
UniProt name PREX1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–167; UniProt 38–201 Author chain A; PDBConstruct 168–374; UniProt 202–408 Author chain C; PDBConstruct 4–167; UniProt 38–201 Author chain C; PDBConstruct 168–374; UniProt 202–408 Author chain E; PDBConstruct 4–167; UniProt 38–201 Author chain E; PDBConstruct 168–374; UniProt 202–408 Author chain G; PDBConstruct 4–167; UniProt 38–201 Author chain G; PDBConstruct 168–374; UniProt 202–408

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 B; UniProt 1–192 Not recorded ;Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein,Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein ; × 1 (Q8TCU6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–192 Not recorded ;Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein,Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein ; × 1 (Q8TCU6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 1–192 Not recorded ;Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein,Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein ; × 1 (Q8TCU6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain H; UniProt 1–192 Not recorded ;Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein,Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein ; × 1 (Q8TCU6) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;294 K;Sodium dihydrogen phosphate, PEG 8000 Resolution 3.28 Å R-free 0.235

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 99 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RAC1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 4–195; UniProt 1–192 Author chain D; PDBConstruct 4–195; UniProt 1–192 Author chain F; PDBConstruct 4–195; UniProt 1–192 Author chain H; PDBConstruct 4–195; UniProt 1–192

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 5fi0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5fi0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5fi0
Deposition date deposition_date2015-12-22
Structure title titleCrystal Structure of the P-Rex1 DH/PH tandem in complex with Rac1
Keywords keywordsdbl homology domain, pleckstrin homology domain, beta sandwich, small GTPase, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier47.10
Radius of gyration Rg (electron density) rg_electron46.82
Forward intensity I(0) i0807205000.00
Molecular weight molecular_weight238090.0 kDa
Excluded volume excluded_volume299880 ų
Envelope volume envelope_volume437160 ų
Hydration-shell volume shell_volume79282 ų
Envelope diameter envelope_diameter167.1
Shell Rg shell_rg49.89
Envelope Rg envelope_rg45.96
Shape Rg shape_rg46.84
Total Rg total_rg46.91
Total atoms total_atoms16731
Residues n_residues2089
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 dmax158.5
Rg (real space) rg_real47.12
Rg uncertainty (real space) rg_real_error1.34
I(0) (real space) i0_real8.0720e+08
I(0) uncertainty (real space) i0_real_error1.5280e+07
Rg (reciprocal space) rg_reciprocal47.10
I(0) (reciprocal space) i0_reciprocal807200000.0000
Solution quality estimate total_estimate0.6276
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary57.6
Skewness Skewness skewness0.392
Kurtosis Kurtosis kurtosis-0.154
Angular range angular_range— – 0.1650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha52920000.0000
Real-space data points n_real_points34
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.806; Stabil: 1.000; Sysdev: 0.006; Positv: 1.000; Valcen: 0.995; Smooth: 0.725

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id5fi0A01
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_id5fi0A02
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_id5fi0B00
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_id5fi0C01
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_id5fi0C02
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_id5fi0D00
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_id5fi0E01
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_id5fi0E02
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_id5fi0F00
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_id5fi0G01
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_id5fi0G02
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_id5fi0H00
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)