1zea

Structure of the anti-cholera toxin antibody Fab fragment TE33 in complex with a D-peptide

Method: X-RAY DIFFRACTION Dmax: 82.4 Å Quality: EXCELLENT

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

monoclonal anti-cholera toxin IGG1 KAPPA antibody, L chain

OrganismNot specified

UniProt A2NHM3

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 L; UniProt 1–216 Not recorded monoclonal anti-cholera toxin IGG1 KAPPA antibody, H chain × 1 (Q921A6) short synthetic D-amino acid peptide D2 × 1 CIT CITRIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;293 K;PEG 8000, citrat buffer, potassium chloride, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.78 Å R-free 0.248

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.

12 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A2NHM3_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain L; PDBConstruct 1–216; UniProt 1–216

monoclonal anti-cholera toxin IGG1 KAPPA antibody, H chain

OrganismNot specified

UniProt Q921A6

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 H; UniProt 6–118 Not recorded monoclonal anti-cholera toxin IGG1 KAPPA antibody, L chain × 1 (A2NHM3) short synthetic D-amino acid peptide D2 × 1 CIT CITRIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;293 K;PEG 8000, citrat buffer, potassium chloride, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.78 Å R-free 0.248

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.

1 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q921A6_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain H; PDBConstruct 6–116; UniProt 6–118

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 1zea

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1zea
Deposition date deposition_date2005-04-18
Structure title titleStructure of the anti-cholera toxin antibody Fab fragment TE33 in complex with a D-peptide
Keywords keywords;polyspecificity, cross-reactivity, anti-cholera toxin, antigen-antibody complex, antigen recognition, substitution matrix, 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_guinier25.53
Radius of gyration Rg (electron density) rg_electron24.50
Forward intensity I(0) i038433600.00
Molecular weight molecular_weight47968.0 kDa
Excluded volume excluded_volume59903 ų
Envelope volume envelope_volume72159 ų
Hydration-shell volume shell_volume24885 ų
Envelope diameter envelope_diameter84.2
Shell Rg shell_rg31.33
Envelope Rg envelope_rg24.15
Shape Rg shape_rg24.48
Total Rg total_rg25.31
Total atoms total_atoms3380
Residues n_residues415
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 dmax82.4
Rg (real space) rg_real25.51
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real3.8430e+07
I(0) uncertainty (real space) i0_real_error4.9240e+05
Rg (reciprocal space) rg_reciprocal25.52
I(0) (reciprocal space) i0_reciprocal38430000.0000
Solution quality estimate total_estimate0.9047
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.2
Skewness Skewness skewness0.277
Kurtosis Kurtosis kurtosis-0.507
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha7901000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.934; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.968

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id1zeaH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1zeaH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1zeaL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1zeaL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)