1mkg

DISULFIDE DEFICIENT MUTANT OF VASCULAR ENDOTHELIAL GROWTH FACTOR A (C57A and C102A)

Method: X-RAY DIFFRACTION Dmax: 110.4 Å Quality: GOOD

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

Vascular Endothelial Growth Factor A

Homo sapiens

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 40–134 Chain B; UniProt 40–134 Fragment:Residues 40-134, sequence database Mutation:C57A,C102A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;293 K;Na-formate 2.0 M, Na-acetate 0.1 M, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.288
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 40–134 Chain D; UniProt 40–134 Fragment:Residues 40-134, sequence database Mutation:C57A,C102A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;293 K;Na-formate 2.0 M, Na-acetate 0.1 M, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.288
3 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 40–134 Chain B; UniProt 40–134 Chain C; UniProt 40–134 Chain D; UniProt 40–134 Fragment:Residues 40-134, sequence database Mutation:C57A,C102A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;293 K;Na-formate 2.0 M, Na-acetate 0.1 M, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.50 Å R-free 0.288

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 2–96; UniProt 40–134 Author chain B; PDBConstruct 2–96; UniProt 40–134 Author chain C; PDBConstruct 2–96; UniProt 40–134 Author chain D; PDBConstruct 2–96; UniProt 40–134

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 1mkg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1mkg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1mkg
Deposition date deposition_date2002-08-29
Structure title titleDISULFIDE DEFICIENT MUTANT OF VASCULAR ENDOTHELIAL GROWTH FACTOR A (C57A and C102A)
Keywords keywordscystine-knot growth factor, HORMONE-GROWTH FACTOR COMPLEX; HORMONE/GROWTH FACTOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.25
Radius of gyration Rg (electron density) rg_electron29.62
Forward intensity I(0) i033569400.00
Molecular weight molecular_weight43602.0 kDa
Excluded volume excluded_volume53947 ų
Envelope volume envelope_volume70111 ų
Hydration-shell volume shell_volume22813 ų
Envelope diameter envelope_diameter115.9
Shell Rg shell_rg32.03
Envelope Rg envelope_rg30.07
Shape Rg shape_rg29.65
Total Rg total_rg29.76
Total atoms total_atoms3036
Residues n_residues376
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 dmax110.4
Rg (real space) rg_real29.71
Rg uncertainty (real space) rg_real_error1.33
I(0) (real space) i0_real3.3570e+07
I(0) uncertainty (real space) i0_real_error5.3960e+05
Rg (reciprocal space) rg_reciprocal29.51
I(0) (reciprocal space) i0_reciprocal33560000.0000
Solution quality estimate total_estimate0.7579
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.6
Skewness Skewness skewness0.719
Kurtosis Kurtosis kurtosis0.032
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3381000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.500; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.401; Smooth: 0.947

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1mkga_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.1 — Platelet-derived growth factor-like
Domain ID domain_idd1mkgb_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.1 — Platelet-derived growth factor-like
Domain ID domain_idd1mkgc_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.1 — Platelet-derived growth factor-like
Domain ID domain_idd1mkgd_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.1 — Platelet-derived growth factor-like

CATH v4.4 (4 domains)

Domain ID domain_id1mkgA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1mkgB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1mkgC00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1mkgD00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines

8. Citations (2)

9. Files and Curves (10)