1AKG Acetylcholine Receptor Antagonist date May 18, 1997
title Alpha-Conotoxin Pnib From Conus Pennaceus
authors S.H.Hu, J.L.Martin
compound source
Molecule: Alpha-Conotoxin Pnib
Chain: A
Engineered: Yes
 Synthetic: Yes
Organism_scientific: Conus Pennaceus
Organism_taxid: 37335
Other_details: Biologically Active Molecule
symmetry Space Group: P 21 21 21
R_factor 0.147 R_Free 0.157
crystal
cell
length a length b length c angle alpha angle beta angle gamma
14.600 26.100 29.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.10 Å
ligand NH2 enzyme
Primary referenceCrystal structure at 1.1 A resolution of alpha-conotoxin PnIB: comparison with alpha-conotoxins PnIA and GI., Hu SH, Gehrmann J, Alewood PF, Craik DJ, Martin JL, Biochemistry. 1997 Sep 23;36(38):11323-30. PMID:9298951
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (6 Kb) [Save to disk]
  • Biological Unit Coordinates (1akg.pdb1.gz) 3 Kb
  • LPC: Ligand-Protein Contacts for 1AKG
  • CSU: Contacts of Structural Units for 1AKG
  • Likely Quarternary Molecular Structure file(s) for 1AKG
  • Structure Factors (44 Kb)
  • Retrieve 1AKG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AKG from S2C, [Save to disk]
  • Re-refined 1akg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1AKG 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 1AKG
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Conformational Epitope Prediction for 1AKG from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1AKG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1akg__, region [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1akg] [1akg_A]
  • SWISS-PROT database: [P50985]
  • Domain organization of [CA1B_CONPE] by SWISSPFAM
    • Other resources with information on 1AKG
  • Community annotation for 1AKG at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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