3qtk

The crystal structure of chemically synthesized VEGF-A

Method: X-RAY DIFFRACTION Dmax: 107.1 Å Quality: GOOD

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

Vascular endothelial growth factor A

OrganismNot specified

UniProt P15692

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 34–135 Chain D; UniProt 34–135 Fragment:UNP residues 34-135 ACT ACETATE ION × 2 TFA trifluoroacetic acid × 4 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;292 K;45% v/v MPD, 0.2 M ammonium acetate, 0.1 M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K Resolution 1.85 Å R-free 0.223
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 34–135 Chain C; UniProt 34–135 Fragment:UNP residues 34-135 ACT ACETATE ION × 3 TFA trifluoroacetic acid × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;292 K;45% v/v MPD, 0.2 M ammonium acetate, 0.1 M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K Resolution 1.85 Å R-free 0.223
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 34–135 Chain F; UniProt 34–135 Fragment:UNP residues 34-135 ACT ACETATE ION × 3 TFA trifluoroacetic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;292 K;45% v/v MPD, 0.2 M ammonium acetate, 0.1 M Bis-Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K Resolution 1.85 Å R-free 0.223

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.

50 other PDB entries and 70 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VEGFA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–102; UniProt 34–135 Author chain B; PDBConstruct 1–102; UniProt 34–135 Author chain C; PDBConstruct 1–102; UniProt 34–135 Author chain D; PDBConstruct 1–102; UniProt 34–135 Author chain E; PDBConstruct 1–102; UniProt 34–135 Author chain F; PDBConstruct 1–102; UniProt 34–135

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 3qtk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3qtk
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id3qtk
Deposition date deposition_date2011-02-22
Structure title titleThe crystal structure of chemically synthesized VEGF-A
Keywords keywordscovalent dimer, cysteine knot protein, growth factor, X-ray crystal structure, human VEGF-A, HORMONE; HORMONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.08
Radius of gyration Rg (electron density) rg_electron30.72
Forward intensity I(0) i084863300.00
Molecular weight molecular_weight68871.0 kDa
Excluded volume excluded_volume84530 ų
Envelope volume envelope_volume119110 ų
Hydration-shell volume shell_volume33719 ų
Envelope diameter envelope_diameter112.4
Shell Rg shell_rg36.31
Envelope Rg envelope_rg29.96
Shape Rg shape_rg30.75
Total Rg total_rg31.14
Total atoms total_atoms4773
Residues n_residues576
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 dmax107.1
Rg (real space) rg_real31.07
Rg uncertainty (real space) rg_real_error0.91
I(0) (real space) i0_real8.4860e+07
I(0) uncertainty (real space) i0_real_error1.3570e+06
Rg (reciprocal space) rg_reciprocal31.07
I(0) (reciprocal space) i0_reciprocal84860000.0000
Solution quality estimate total_estimate0.8046
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.8
Skewness Skewness skewness0.305
Kurtosis Kurtosis kurtosis-0.282
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5268000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.830; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id3qtkA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id3qtkB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id3qtkC00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id3qtkD00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id3qtkE00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id3qtkF00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines

8. Citations (1)

9. Files and Curves (10)