1mkk

Disulfide deficient mutant of vascular endothelial growth factor A (C61A and C104A)

Method: X-RAY DIFFRACTION Dmax: 72.9 Å Quality: REASONABLE

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:C61A,C104A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.6;293 K;isopropanol, PEG4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.32 Å R-free 0.195

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 72 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

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 1mkk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1mkk
Deposition date deposition_date2002-08-29
Structure title titleDisulfide deficient mutant of vascular endothelial growth factor A (C61A and C104A)
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_guinier20.24
Radius of gyration Rg (electron density) rg_electron19.75
Forward intensity I(0) i09019130.00
Molecular weight molecular_weight21613.0 kDa
Excluded volume excluded_volume26697 ų
Envelope volume envelope_volume33511 ų
Hydration-shell volume shell_volume14754 ų
Envelope diameter envelope_diameter72.2
Shell Rg shell_rg25.34
Envelope Rg envelope_rg19.96
Shape Rg shape_rg19.80
Total Rg total_rg20.42
Total atoms total_atoms1505
Residues n_residues187
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 dmax72.9
Rg (real space) rg_real20.32
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real9.0190e+06
I(0) uncertainty (real space) i0_real_error1.1940e+05
Rg (reciprocal space) rg_reciprocal20.30
I(0) (reciprocal space) i0_reciprocal9019000.0000
Solution quality estimate total_estimate0.7200
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.9
Skewness Skewness skewness0.461
Kurtosis Kurtosis kurtosis-0.061
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1132000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.757; Stabil: 1.000; Sysdev: 0.406; Positv: 1.000; Valcen: 0.878; Smooth: 0.988

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1mkka_
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_idd1mkkb1
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_idd1mkkb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id1mkkA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1mkkB00
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)