7dji

Crystal structure of Lymnaea stagnalis Acetylcholine binding protein (AChBP) complexed with Paraherquamide A

Method: X-RAY DIFFRACTION Dmax: 91.8 Å Quality: EXCELLENT

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

Acetylcholine-binding protein

Lymnaea stagnalis

UniProt P58154

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 21–229 Chain B; UniProt 21–229 Chain C; UniProt 21–229 Chain D; UniProt 21–229 Chain E; UniProt 21–229 Not recorded H8U Paraherquamide A × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;298 K;14.1-15.6% PEG 4000, Sodium Citrate buffer pH 5.0 Resolution 2.20 Å R-free 0.231

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.

59 other PDB entries and 122 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACHP_LYMST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–214; UniProt 21–229 Author chain B; PDBConstruct 6–214; UniProt 21–229 Author chain C; PDBConstruct 6–214; UniProt 21–229 Author chain D; PDBConstruct 6–214; UniProt 21–229 Author chain E; PDBConstruct 6–214; UniProt 21–229

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 7dji

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7dji
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id7dji
Deposition date deposition_date2020-11-20
Structure title titleCrystal structure of Lymnaea stagnalis Acetylcholine binding protein (AChBP) complexed with Paraherquamide A
Keywords keywordsParaherquamide A, acetylcholine binding protein, nicotinic acetylcholine receptor, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.94
Radius of gyration Rg (electron density) rg_electron30.08
Forward intensity I(0) i0236191000.00
Molecular weight molecular_weight119510.0 kDa
Excluded volume excluded_volume148470 ų
Envelope volume envelope_volume191760 ų
Hydration-shell volume shell_volume50045 ų
Envelope diameter envelope_diameter96.4
Shell Rg shell_rg39.64
Envelope Rg envelope_rg29.52
Shape Rg shape_rg30.07
Total Rg total_rg30.99
Total atoms total_atoms16274
Residues n_residues1026
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 dmax91.8
Rg (real space) rg_real31.59
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real2.3620e+08
I(0) uncertainty (real space) i0_real_error3.1440e+06
Rg (reciprocal space) rg_reciprocal31.74
I(0) (reciprocal space) i0_reciprocal236200000.0000
Solution quality estimate total_estimate0.9024
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary45.9
Skewness Skewness skewness-0.091
Kurtosis Kurtosis kurtosis-0.608
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha65550000.0000
Real-space data points n_real_points51
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: 0.969; Smooth: 0.956

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)