8vgp

CryoEM structure of Angiopoietin-2 in complex with engineered conformationally rigid Fab 5A12.6DS

Method: ELECTRON MICROSCOPY Dmax: 116.3 Å Quality: REASONABLE

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

Angiopoietin-2

Homo sapiens

UniProt O15123

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 225–444 Fragment:Receptor binding domain, UNP residues 225-444 Fab 5A12.6DS heavy chain × 1 Fab 5A12.6DS light chain × 1 CA CALCIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.70 Å

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.

6 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ANGP2_HUMAN
Isoform O15123-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–223; UniProt 225–444

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 8vgp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8vgp
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8vgp
Deposition date deposition_date2023-12-27
Structure title titleCryoEM structure of Angiopoietin-2 in complex with engineered conformationally rigid Fab 5A12.6DS
Keywords keywordsfab, antigen binding fragment, protein engineering, CYTOKINE-IMMUNE SYSTEM complex; CYTOKINE/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier33.22
Radius of gyration Rg (electron density) rg_electron33.50
Forward intensity I(0) i082084800.00
Molecular weight molecular_weight70896.0 kDa
Excluded volume excluded_volume88101 ų
Envelope volume envelope_volume112220 ų
Hydration-shell volume shell_volume31044 ų
Envelope diameter envelope_diameter122.6
Shell Rg shell_rg36.35
Envelope Rg envelope_rg33.47
Shape Rg shape_rg33.49
Total Rg total_rg33.76
Total atoms total_atoms4981
Residues n_residues640
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 dmax116.3
Rg (real space) rg_real33.77
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real8.2080e+07
I(0) uncertainty (real space) i0_real_error1.3800e+06
Rg (reciprocal space) rg_reciprocal33.54
I(0) (reciprocal space) i0_reciprocal82070000.0000
Solution quality estimate total_estimate0.5701
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.1
Skewness Skewness skewness0.625
Kurtosis Kurtosis kurtosis-0.221
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12190000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.675; Stabil: 1.000; Sysdev: 0.049; Positv: 1.000; Valcen: 0.579; Smooth: 0.657

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)