1DSX Signaling Protein date Jan 10, 2000
title Kv1.2 T1 Domain, Residues 33-119, T46v Mutant
authors D.L.Minor Jr., Y.F.Lin, B.C.Mobley, A.Avelar, Y.N.Jan, L.Y.Jan, J
compound source
Molecule: Protein (Kv1.2 Voltage-Gated Potassium Channel)
Chain: A, B, C, D, E, F, G, H
Fragment: N-Terminal Assembly Domain, Residues 33-119
Engineered: Yes
Mutation: Yes
 Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Organ: Brain
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pet24
symmetry Space Group: P 21 21 21
R_factor 0.237 R_Free 0.279
crystal
cell
length a length b length c angle alpha angle beta angle gamma
76.390 78.398 126.924 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.60 Å
related structures by homologous chain: 1QDV, 1T1D
Gene
Ontology
ChainFunctionProcessComponent
F, A, E, B, H, C, D, G


Primary referenceThe polar T1 interface is linked to conformational changes that open the voltage-gated potassium channel., Minor DL, Lin YF, Mobley BC, Avelar A, Jan YN, Jan LY, Berger JM, Cell 2000 Sep 1;102(5):657-70. PMID:11007484
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (134 Kb) [Save to disk]
  • Biological Unit Coordinates (1dsx.pdb1.gz) 64 Kb
  • Biological Unit Coordinates (1dsx.pdb2.gz) 65 Kb
  • CSU: Contacts of Structural Units for 1DSX
  • Likely Quarternary Molecular Structure file(s) for 1DSX
  • Retrieve 1DSX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1DSX from S2C, [Save to disk]
    • View 1DSX 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 1DSX
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1DSX, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1dsxa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1dsxb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1dsxc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1dsxd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1dsxe_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1dsxf_, region F [Jmol] [rasmolscript] [script source]
        - Domain d1dsxg_, region G [Jmol] [rasmolscript] [script source]
        - Domain d1dsxh_, region H [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: [1dsx_F] [1dsx_H] [1dsx] [1dsx_E] [1dsx_G] [1dsx_D] [1dsx_B] [1dsx_C] [1dsx_A]
  • SWISS-PROT database: [P63142]
  • Domain organization of [KCNA2_RAT] by SWISSPFAM
  • Domain found in 1DSX: [BTB ] by SMART
    • Other resources with information on 1DSX
  • Community annotation for 1DSX 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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