5tpc

Binding domain of BoNT/A complexed with ganglioside

Method: X-RAY DIFFRACTION Dmax: 82.0 Å Quality: GOOD

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

Botulinum neurotoxin type A

Clostridium botulinum

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 Other combination Monomer Protein × 1 其他Polymer 2 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 876–1296 Not recorded N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose × 1 N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-galactopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;20% PEG6000, 0.2 M MgCl2, 0.1 M Hepes pH 7.0 Resolution 2.00 Å R-free 0.238

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 4–424; UniProt 876–1296

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 5tpc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5tpc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5tpc
Deposition date deposition_date2016-10-20
Structure title titleBinding domain of BoNT/A complexed with ganglioside
Keywords keywordsbinding domain, lectin, ganglioside binding, hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.24
Radius of gyration Rg (electron density) rg_electron24.11
Forward intensity I(0) i042915100.00
Molecular weight molecular_weight50766.0 kDa
Excluded volume excluded_volume63604 ų
Envelope volume envelope_volume75468 ų
Hydration-shell volume shell_volume26439 ų
Envelope diameter envelope_diameter86.4
Shell Rg shell_rg31.05
Envelope Rg envelope_rg24.33
Shape Rg shape_rg24.06
Total Rg total_rg25.09
Total atoms total_atoms3578
Residues n_residues425
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 dmax82.0
Rg (real space) rg_real25.28
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real4.2920e+07
I(0) uncertainty (real space) i0_real_error5.5610e+05
Rg (reciprocal space) rg_reciprocal25.27
I(0) (reciprocal space) i0_reciprocal42910000.0000
Solution quality estimate total_estimate0.8825
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.3
Skewness Skewness skewness0.412
Kurtosis Kurtosis kurtosis-0.345
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8785000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.861; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.967; Smooth: 0.919

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd5tpca1
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.6 — Clostridium neurotoxins, the second last domain
Domain ID domain_idd5tpca2
Class classb — All beta proteins
Fold Fold foldb.42 — beta-Trefoil
Superfamily Superfamily superfamilyb.42.4 — STI-like
Family Family familyb.42.4.2 — Clostridium neurotoxins, C-terminal domain
Domain ID domain_idd5tpca3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd5tpca4
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id5tpcA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily200
Domain ID domain_id5tpcA02
Class class2 — Mainly Beta
Architecture architecture80 — Trefoil
Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
Homologous superfamily homologous superfamily50

8. Citations (1)

9. Files and Curves (10)