1NN7 Membrane Protein date Jan 13, 2003
title Crystal Structure Of The Tetramerization Domain Of The Shal Gated Potassium Channel
authors W.Zhou, S.Choe
compound source
Molecule: Potassium Channel Kv4.2
Chain: A
Fragment: N-Terminal Domain (Residues 42-146), Tetramerizat Domain;
Synonym: Shal Voltage-Gated Potassium Channel
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Kcnd2
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Phis8(Modified Pet28)
symmetry Space Group: P 4 21 2
R_factor 0.230 R_Free 0.277
crystal
cell
length a length b length c angle alpha angle beta angle gamma
59.999 59.999 61.593 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand ZN enzyme
related structures by homologous chain: 1S1G
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceDetermining the basis of channel-tetramerization specificity by x-ray crystallography and a sequence-comparison algorithm: Family Values (FamVal)., Nanao MH, Zhou W, Pfaffinger PJ, Choe S, Proc Natl Acad Sci U S A 2003 Jul 22;100(15):8670-5. Epub 2003 Jun 30. PMID:12835418
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk]
  • Biological Unit Coordinates (1nn7.pdb1.gz) 75 Kb
  • Biological Unit Coordinates (1nn7.pdb2.gz) 38 Kb
  • LPC: Ligand-Protein Contacts for 1NN7
  • CSU: Contacts of Structural Units for 1NN7
  • Likely Quarternary Molecular Structure file(s) for 1NN7
  • Structure Factors (47 Kb)
  • Retrieve 1NN7 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NN7 from S2C, [Save to disk]
  • Re-refined 1nn7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1NN7 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 1NN7
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1NN7, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1nn7a_, 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: [1nn7_A] [1nn7]
  • SWISS-PROT database: [Q63881]
  • Domain organization of [KCND2_RAT] by SWISSPFAM
  • Domain found in 1NN7: [BTB ] by SMART
  • Other resources with information on 1NN7
  • Community annotation for 1NN7 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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