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1yi5

Crystal structure of the a-cobratoxin-AChBP complex

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Acetylcholine-binding protein

OrganismNot specified

UniProt P58154

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 10 Long neurotoxin 1 × 5 （P01391） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3wtn 3wtn 3wtn 3wtn 3wtn 3wtn 3wtn 3wtn 3wtn 3wtn

10 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
1i9b 1i9b 1uv6 1uv6 1uw6 1uw6 1uw6 1uw6 1ux2 1ux2 2zju 2zjv

106 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1yi5 5t90 7n0w 7n0y 7n43 7ndp 7txf

7 assemblies

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 Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 10 Acetylcholine-binding protein × 5 （P58154） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
7ulg 7ulg 7ulg 7ulg 9hxo 9hxo

6 assemblies

Homodimer
1ctx 4aea 4aea

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1lxg 1lxh 1yi5 6zfm 7pc0 9bk5 9fyt 9gcn 9gcn 9gcn 9gcn 9huo

13 assemblies; showing the first 12

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.

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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
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1yi5__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1yi5__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1yi5__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）36.96 Å
Rg (electron density)35.48 Å
Total Rg36.34 Å
Atom count10648
Residues1356
Excluded volume187700 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1yi5__assembly_1__model_1 decameric （10） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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6. 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
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7. Citations (1)