5v8u

Small Molecule Inhibitor ABS-143 Bound to the Botulinum Neurotoxin Serotype A Light Chain

Method: X-RAY DIFFRACTION Dmax: 84.8 Å Quality: EXCELLENT

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 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–424 Fragment:residues 1-424 Mutation:P2Q ZN ZINC ION × 1 90M N-[3-(4-fluorophenyl)-4-methyl-1H-pyrazol-5-yl]-2-sulfanylacetamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;Mix equal volumes of 10-12 mg/ml enzyme (50 mM Na2HPO4, 2 mM EDTA, pH 6.5) and crystallization buffer (10-15% polyethylene glycol [PEG] 2,000 monomethyl ester, 0.2-0.3 M K2HPO4, 0.1 M D,L-malic acid pH 7.0) Resolution 2.05 Å R-free 0.260
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–424 Fragment:residues 1-424 Mutation:P2Q ZN ZINC ION × 1 90M N-[3-(4-fluorophenyl)-4-methyl-1H-pyrazol-5-yl]-2-sulfanylacetamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;Mix equal volumes of 10-12 mg/ml enzyme (50 mM Na2HPO4, 2 mM EDTA, pH 6.5) and crystallization buffer (10-15% polyethylene glycol [PEG] 2,000 monomethyl ester, 0.2-0.3 M K2HPO4, 0.1 M D,L-malic acid pH 7.0) Resolution 2.05 Å R-free 0.260

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 40 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 21–444; UniProt 1–424 Author chain B; PDBConstruct 21–444; UniProt 1–424

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 5v8u

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5v8u
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5v8u
Deposition date deposition_date2017-03-22
Structure title titleSmall Molecule Inhibitor ABS-143 Bound to the Botulinum Neurotoxin Serotype A Light Chain
Keywords keywordsmetalloprotease, drug design, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.03
Radius of gyration Rg (electron density) rg_electron26.71
Forward intensity I(0) i0121721000.00
Molecular weight molecular_weight89368.0 kDa
Excluded volume excluded_volume112800 ų
Envelope volume envelope_volume134450 ų
Hydration-shell volume shell_volume39783 ų
Envelope diameter envelope_diameter90.3
Shell Rg shell_rg35.80
Envelope Rg envelope_rg26.96
Shape Rg shape_rg26.71
Total Rg total_rg27.63
Total atoms total_atoms12473
Residues n_residues774
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 dmax84.8
Rg (real space) rg_real27.82
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real1.2170e+08
I(0) uncertainty (real space) i0_real_error1.2390e+06
Rg (reciprocal space) rg_reciprocal27.89
I(0) (reciprocal space) i0_reciprocal121700000.0000
Solution quality estimate total_estimate0.9071
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.7
Skewness Skewness skewness0.120
Kurtosis Kurtosis kurtosis-0.517
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27660000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.944; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id5v8uA01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1240 — Zincin-like
Homologous superfamily homologous superfamily10 — Metalloproteases ("zincins"), catalytic domain like
Domain ID domain_id5v8uB01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1240 — Zincin-like
Homologous superfamily homologous superfamily10 — Metalloproteases ("zincins"), catalytic domain like

8. Citations (1)

9. Files and Curves (10)