6dkk

Structure of BoNT

Method: X-RAY DIFFRACTION Dmax: 111.6 Å Quality: GOOD

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

Botulinum neurotoxin type A

Clostridium botulinum A str. ATCC 19397

UniProt P10845

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 547–871 Chain B; UniProt 547–871 Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.1;291 K;1.4 M sodium potassium phosphate and 0.1 M potassium sodium tartrate tetrahydrate Resolution 2.70 Å R-free 0.223

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.

26 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BXA1_CLOBO
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–327; UniProt 547–871 Author chain B; PDBConstruct 3–327; UniProt 547–871

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 6dkk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6dkk
Deposition date deposition_date2018-05-29
Structure title titleStructure of BoNT
Keywords keywordsProtein translocation, Botulinum neurotoxin, TOXIN; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.31
Radius of gyration Rg (electron density) rg_electron33.04
Forward intensity I(0) i078387800.00
Molecular weight molecular_weight73000.0 kDa
Excluded volume excluded_volume92607 ų
Envelope volume envelope_volume120950 ų
Hydration-shell volume shell_volume33526 ų
Envelope diameter envelope_diameter119.4
Shell Rg shell_rg36.10
Envelope Rg envelope_rg33.50
Shape Rg shape_rg33.04
Total Rg total_rg33.33
Total atoms total_atoms5149
Residues n_residues639
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 dmax111.6
Rg (real space) rg_real33.48
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real7.8390e+07
I(0) uncertainty (real space) i0_real_error1.2800e+06
Rg (reciprocal space) rg_reciprocal33.41
I(0) (reciprocal space) i0_reciprocal78380000.0000
Solution quality estimate total_estimate0.8716
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary41.9
Skewness Skewness skewness0.422
Kurtosis Kurtosis kurtosis-0.220
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11280000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.886; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.919; Smooth: 0.750

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id6dkkA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1120 — Clostridium botulinum neurotoxin B, "coiled-coil" domain
Homologous superfamily homologous superfamily10 — Clostridium botulinum neurotoxin b, "coiled-coil" domain
Domain ID domain_id6dkkB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1120 — Clostridium botulinum neurotoxin B, "coiled-coil" domain
Homologous superfamily homologous superfamily10 — Clostridium botulinum neurotoxin b, "coiled-coil" domain

8. Citations (1)

9. Files and Curves (10)