1lxg

Solution structure of alpha-cobratoxin complexed with a cognate peptide (structure ensemble)

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

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 2 Acetylcholine receptor protein, alpha chain × 1 (P02710) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NXL1_NAJKA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–71; UniProt 1–71

Acetylcholine receptor protein, alpha chain

Torpedo californica

UniProt P02710

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Long neurotoxin 1 × 1 (P01391) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ACHA_TORCA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–18; UniProt 205–222

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_id1lxg
Deposition date deposition_date2002-06-05
Structure title titleSolution structure of alpha-cobratoxin complexed with a cognate peptide (structure ensemble)
Keywords keywordstoxin, alpha-cobratoxin, nicotinic acetylcholine receptor, protein-protein interaction; TOXIN
Experimental Method methodSOLUTION NMR
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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.

1lxg__assembly_1__model_4

Assembly 1 · Model 4 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1lxg__assembly_1__model_4 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1lxg__assembly_1__model_4 | 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)14.79 Å
Rg (electron density)14.09 Å
Total Rg15.09 Å
Atom count1375
Residues89
Excluded volume12486 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1lxg__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1lxg__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1lxg__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1lxg__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1lxg__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1lxg__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1lxg__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1lxg__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1lxg__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1lxg__assembly_1__model_10 dimeric (2) 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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1lxga_
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

CATH v4.4 (1 domains)

Domain ID domain_id1lxgA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology60 — CD59
Homologous superfamily homologous superfamily10 — CD59
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7. Citations (1)