8zcl

Ambient Temperature Crystal Structure of Fc Fragment of Human IgG1 from Biosimilar VEGF-Trap

Method: X-RAY DIFFRACTION Dmax: 78.7 Å Quality: EXCELLENT

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

Immunoglobulin gamma-1 heavy chain

Homo sapiens

UniProt P0DOX5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 239–446 Chain B; UniProt 239–446 Fragment:Fc Fragment ;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;0.1M Bis-Tris pH 6.5, 25% w/v Polyethylene glycol 3350 Resolution 2.60 Å R-free 0.236

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.

105 other PDB entries and 128 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IGG1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–208; UniProt 239–446 Author chain B; PDBConstruct 1–208; UniProt 239–446

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 8zcl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8zcl
Deposition date deposition_date2024-04-30
Structure title titleAmbient Temperature Crystal Structure of Fc Fragment of Human IgG1 from Biosimilar VEGF-Trap
Keywords keywordsfusion protein, immunoglobin, N-glycans, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.85
Radius of gyration Rg (electron density) rg_electron25.56
Forward intensity I(0) i041057600.00
Molecular weight molecular_weight49810.0 kDa
Excluded volume excluded_volume62469 ų
Envelope volume envelope_volume82733 ų
Hydration-shell volume shell_volume26830 ų
Envelope diameter envelope_diameter80.2
Shell Rg shell_rg33.06
Envelope Rg envelope_rg24.98
Shape Rg shape_rg25.56
Total Rg total_rg26.42
Total atoms total_atoms3507
Residues n_residues413
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 dmax78.7
Rg (real space) rg_real26.69
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real4.1060e+07
I(0) uncertainty (real space) i0_real_error5.7960e+05
Rg (reciprocal space) rg_reciprocal26.74
I(0) (reciprocal space) i0_reciprocal41060000.0000
Solution quality estimate total_estimate0.9191
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary76.0
Skewness Skewness skewness0.022
Kurtosis Kurtosis kurtosis-0.679
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5359000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.984; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)