1AG7

CONOTOXIN GS, NMR, 20 STRUCTURES

Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 20 
  • Selection Criteria: LOWEST ENERGIES AND LEAST NUMBER OF RESTRAINT VIOLATIONS 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history. 


Literature

Solution structure of the sodium channel antagonist conotoxin GS: a new molecular caliper for probing sodium channel geometry.

Hill, J.M., Alewood, P.F., Craik, D.J.

(1997) Structure 5: 571-583

  • DOI: 10.1016/s0969-2126(97)00212-8
  • Primary Citation of Related Structures:  
    1AG7

  • PubMed Abstract: 

    • The venoms of Conus snails contain small, disulfide-rich inhibitors of voltage-dependent sodium channels. Conotoxin GS is a 34-residue polypeptide isolated from Conus geographus that interacts with the extracellular entrance of skeletal muscle sodium channels to prevent sodium ion conduction ...

    The venoms of Conus snails contain small, disulfide-rich inhibitors of voltage-dependent sodium channels. Conotoxin GS is a 34-residue polypeptide isolated from Conus geographus that interacts with the extracellular entrance of skeletal muscle sodium channels to prevent sodium ion conduction. Although conotoxin GS binds competitively with mu conotoxin GIIIA to the sodium channel surface, the two toxin types have little sequence identity with one another, and conotoxin GS has a four-loop structural framework rather than the characteristic three-loop mu-conotoxin framework. The structural study of conotoxin GS will form the basis for establishing a structure-activity relationship and understanding its interaction with the pore region of sodium channels.

    Related Citations: 
    • A Novel Sodium Channel Inhibitor from Conus Geographus: Purification, Structure, and Pharmacological Properties
      Yanagawa, Y., Abe, T., Satake, M., Odani, S., Suzuki, J., Ishikawa, K.
      (1988) Biochemistry 27: 6256
    Organizational Affiliation: 

    Centre for Drug Design and Development The University of Queensland, Brisbane, Queensland, 4072, Australia.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CONOTOXIN GSA34Conus geographusMutation(s): 3 
UniProt
Find proteins for P15472 (Conus geographus)
Explore P15472 
Go to UniProtKB:  P15472
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP15472
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Modified Residues  2 Unique
IDChainsTypeFormula2D DiagramParent
CGU
Query on CGU		A L-PEPTIDE LINKINGC6 H9 N O6GLU
HYP
Query on HYP		A L-PEPTIDE LINKINGC5 H9 N O3PRO
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 20 
  • Selection Criteria: LOWEST ENERGIES AND LEAST NUMBER OF RESTRAINT VIOLATIONS 
  • OLDERADO: 1AG7 Olderado

Structure Validation

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View more in-depth experimental data

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1998-04-08
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2022-02-16
    Changes: Database references, Derived calculations, Other