6mxs

Crystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98F,HC-G99M]

Method: X-RAY DIFFRACTION Dmax: 139.0 Å Quality: REASONABLE

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

anti-VEGF-A Fab fragment bH1 heavy chain

Homo sapiens

UniProt V9HW68

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 130–246 Chain H; UniProt 130–246 Mutation:Y33W,D98F,G99M anti-VEGF-A Fab fragment bH1 light chain × 2 (Q7Z3Y4) CL CHLORIDE ION × 2 NA SODIUM ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 5.6;295 K;0.1 M tri-sodium citrate, pH 5.6, 12% PEG4000, 10% isopropanol Resolution 1.95 Å R-free 0.229

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.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name V9HW68_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 110–226; UniProt 130–246 Author chain H; PDBConstruct 110–226; UniProt 130–246

anti-VEGF-A Fab fragment bH1 light chain

Homo sapiens

UniProt Q7Z3Y4

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 127–236 Chain L; UniProt 127–236 Not recorded anti-VEGF-A Fab fragment bH1 heavy chain × 2 (V9HW68) CL CHLORIDE ION × 2 NA SODIUM ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 5.6;295 K;0.1 M tri-sodium citrate, pH 5.6, 12% PEG4000, 10% isopropanol Resolution 1.95 Å R-free 0.229

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.

15 other PDB entries and 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q7Z3Y4_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 109–218; UniProt 127–236 Author chain L; PDBConstruct 109–218; UniProt 127–236

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 6mxs

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6mxs
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6mxs
Deposition date deposition_date2018-10-31
Structure title titleCrystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98F,HC-G99M]
Keywords keywordsFab fragment, antibody assembly, aggregation, 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_guinier38.93
Radius of gyration Rg (electron density) rg_electron39.82
Forward intensity I(0) i0138680000.00
Molecular weight molecular_weight94547.0 kDa
Excluded volume excluded_volume117980 ų
Envelope volume envelope_volume157270 ų
Hydration-shell volume shell_volume37292 ų
Envelope diameter envelope_diameter146.3
Shell Rg shell_rg39.21
Envelope Rg envelope_rg40.35
Shape Rg shape_rg39.76
Total Rg total_rg40.00
Total atoms total_atoms6660
Residues n_residues848
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 dmax139.0
Rg (real space) rg_real39.80
Rg uncertainty (real space) rg_real_error1.83
I(0) (real space) i0_real1.3870e+08
I(0) uncertainty (real space) i0_real_error2.4830e+06
Rg (reciprocal space) rg_reciprocal39.26
I(0) (reciprocal space) i0_reciprocal138600000.0000
Solution quality estimate total_estimate0.7326
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.9
Skewness Skewness skewness0.721
Kurtosis Kurtosis kurtosis-0.091
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14340000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.521; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.507; Smooth: 0.450

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd6mxsa_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd6mxsb1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6mxsb2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd6mxsh_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd6mxsl1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd6mxsl2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (6 domains)

Domain ID domain_id6mxsA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6mxsB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6mxsB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6mxsH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6mxsL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6mxsL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)