1LXG Toxin date Jun 05, 2002
title Solution Structure Of Alpha-Cobratoxin Complexed With A Cogn Peptide (Structure Ensemble)
authors H.Zeng, E.Hawrot
compound source
Molecule: Long Neurotoxin 1
Chain: A
Synonym: Neurotoxin 3, Alpha-Cobratoxin
Organism_scientific: Naja Kaouthia
Organism_common: Monocled Cobra
Organism_taxid: 8649

Molecule: Acetylcholine Receptor Protein, Alpha Chain
Chain: B
Engineered: Yes

Organism_scientific: Torpedo Californica
Organism_common: Pacific Electric Ray
Organism_taxid: 7787
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-31b(+)
methodSolution NMR
related structures by homologous chain: 1LXH
Gene
Ontology
ChainFunctionProcessComponent
A
  • toxin activity


  • Primary referenceNMR-based binding screen and structural analysis of the complex formed between alpha-cobratoxin and an 18-mer cognate peptide derived from the alpha 1 subunit of the nicotinic acetylcholine receptor from Torpedo californica., Zeng H, Hawrot E, J Biol Chem 2002 Oct 4;277(40):37439-45. Epub 2002 Jul 19. PMID:12133834
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (232 Kb) [Save to disk]
  • Biological Unit Coordinates (1lxg.pdb1.gz) 23 Kb
  • CSU: Contacts of Structural Units for 1LXG
  • Retrieve 1LXG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LXG from S2C, [Save to disk]
  • View 1LXG in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1LXG
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1LXG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lxga_, region A [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1lxg_A] [1lxg] [1lxg_B]
  • SWISS-PROT database: [P02710] [P01391]
  • Belongs to the neurotransmitter receptor, cys loop, ligand-gated ion channel (lic) family according to TCDB.
  • Domain organization of [ACHA_TORCA] [NXL1_NAJKA] by SWISSPFAM
  • Other resources with information on 1LXG
  • Community annotation for 1LXG at PDBWiki (http://pdbwiki.org)
  • NMR Ensemble (OLDERADO: core, domain and representative structure database)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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