1yi5

Crystal structure of the a-cobratoxin-AChBP complex

Method: X-RAY DIFFRACTION Dmax: 119.2 Å Quality: GOOD

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

Acetylcholine-binding protein

OrganismNot specified

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 heterocomplex Heteromer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 20–229 Chain B; UniProt 20–229 Chain C; UniProt 20–229 Chain D; UniProt 20–229 Chain E; UniProt 20–229 Not recorded Long neurotoxin 1 × 5 (P01391) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;277 K;0.9M NA-CITRATE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 4.20 Å R-free 0.378

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 1–210; UniProt 20–229 Author chain B; PDBConstruct 1–210; UniProt 20–229 Author chain C; PDBConstruct 1–210; UniProt 20–229 Author chain D; PDBConstruct 1–210; UniProt 20–229 Author chain E; PDBConstruct 1–210; UniProt 20–229

Long neurotoxin 1

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 heterocomplex Heteromer Protein × 10 PDB declaration: decameric(10) Consistent with protein copy count Chain F; UniProt 1–71 Chain G; UniProt 1–71 Chain H; UniProt 1–71 Chain I; UniProt 1–71 Chain J; UniProt 1–71 Not recorded Acetylcholine-binding protein × 5 (P58154) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;277 K;0.9M NA-CITRATE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 4.20 Å R-free 0.378

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 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NXL1_NAJKA
Isoform
PDB entities 2
Chains and sequence ranges Author chain F; PDBConstruct 1–71; UniProt 1–71 Author chain G; PDBConstruct 1–71; UniProt 1–71 Author chain H; PDBConstruct 1–71; UniProt 1–71 Author chain I; PDBConstruct 1–71; UniProt 1–71 Author chain J; 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 1yi5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1yi5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1yi5
Deposition date deposition_date2005-01-11
Structure title titleCrystal structure of the a-cobratoxin-AChBP complex
Keywords keywordsacetylcholine binding protein, snake three-fingered alpha-neurotoxin, toxin; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.96
Radius of gyration Rg (electron density) rg_electron35.48
Forward intensity I(0) i0381810000.00
Molecular weight molecular_weight151850.0 kDa
Excluded volume excluded_volume187700 ų
Envelope volume envelope_volume256840 ų
Hydration-shell volume shell_volume58890 ų
Envelope diameter envelope_diameter125.8
Shell Rg shell_rg42.78
Envelope Rg envelope_rg35.21
Shape Rg shape_rg35.37
Total Rg total_rg36.34
Total atoms total_atoms10648
Residues n_residues1356
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 dmax119.2
Rg (real space) rg_real36.81
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real3.8180e+08
I(0) uncertainty (real space) i0_real_error6.4900e+06
Rg (reciprocal space) rg_reciprocal36.90
I(0) (reciprocal space) i0_reciprocal381800000.0000
Solution quality estimate total_estimate0.8720
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary47.1
Skewness Skewness skewness0.271
Kurtosis Kurtosis kurtosis-0.167
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha35980000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.816

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd1yi5a1
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd1yi5b1
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd1yi5c1
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd1yi5d1
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd1yi5e1
Class classb — All beta proteins
Fold Fold foldb.96 — Nicotinic receptor ligand binding domain-like
Superfamily Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
Family Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
Domain ID domain_idd1yi5f1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins
Domain ID domain_idd1yi5g1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins
Domain ID domain_idd1yi5h1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins
Domain ID domain_idd1yi5i1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins
Domain ID domain_idd1yi5j1
Class classg — Small proteins
Fold Fold foldg.7 — Snake toxin-like
Superfamily Superfamily superfamilyg.7.1 — Snake toxin-like
Family Family familyg.7.1.1 — Snake venom toxins

8. Citations (1)

9. Files and Curves (10)