9hxo

A01 mAbs bound to cobratoxin at pH 6.0

Method: X-RAY DIFFRACTION Dmax: 103.5 Å Quality: GOOD

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

Alpha-cobratoxin

OrganismNot specified

UniProt P01391

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–71 Not recorded CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6;293 K;25% PEG3350, 0.1M Bis-Tris pH 6.0, 0.3 M Ammonium Sulphate Resolution 1.49 Å R-free 0.248
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–71 Not recorded GOL GLYCEROL × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 6;293 K;25% PEG3350, 0.1M Bis-Tris pH 6.0, 0.3 M Ammonium Sulphate Resolution 1.49 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 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 3L21_NAJKA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–71; UniProt 1–71 Author chain B; PDBConstruct 1–71; UniProt 1–71

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 9hxo

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9hxo
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9hxo
Deposition date deposition_date2025-01-07
最后修订 last_revision2025-11-19
Structure title titleA01 mAbs bound to cobratoxin at pH 6.0
Keywords keywordscobratoxin, mAB, pH sensitivity, TOXIN; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.74
Radius of gyration Rg (electron density) rg_electron28.32
Forward intensity I(0) i085279200.00
Molecular weight molecular_weight69298.0 kDa
Excluded volume excluded_volume85237 ų
Envelope volume envelope_volume105560 ų
Hydration-shell volume shell_volume31637 ų
Envelope diameter envelope_diameter109.3
Shell Rg shell_rg34.95
Envelope Rg envelope_rg28.73
Shape Rg shape_rg28.28
Total Rg total_rg29.03
Total atoms total_atoms9399
Residues n_residues594
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 dmax103.5
Rg (real space) rg_real28.74
Rg uncertainty (real space) rg_real_error0.85
I(0) (real space) i0_real8.5280e+07
I(0) uncertainty (real space) i0_real_error1.3300e+06
Rg (reciprocal space) rg_reciprocal28.74
I(0) (reciprocal space) i0_reciprocal85280000.0000
Solution quality estimate total_estimate0.8566
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.0
Skewness Skewness skewness0.326
Kurtosis Kurtosis kurtosis-0.370
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12160000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.761; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.871; Smooth: 0.975

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (1)

9. Files and Curves (10)