1S1G Transport Protein date Jan 06, 2004
title Crystal Structure Of Kv4.3 T1 Domain
authors R.H.Scannevin, K.W.Wang, F.Jow, J.Megules, D.C.Kopsco, W.Edris, K.C.Carroll, Q.Lu, W.X.Xu, Z.B.Xu, A.H.Katz, S.Olland, L.Lin, M.Ta M.Stahl, K.Malakian, W.Somers, L.Mosyak, M.R.Bowlby, P.Chanda, K.
compound source
Molecule: Potassium Voltage-Gated Channel Subfamily D Membe
Chain: A, B
Fragment: Kv4.3t1 (Residue 29-143, Sws Q9uk17)
Synonym: Potassium Channel Kv4.3
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Kcnd3
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21-De3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-21
symmetry Space Group: P 41 21 2
R_factor 0.228 R_Free 0.273
length a length b length c angle alpha angle beta angle gamma
84.230 84.230 104.990 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand ZN enzyme
related structures by homologous chain: 1NN7
A, B

Primary referenceTwo N-terminal domains of Kv4 K(+) channels regulate binding to and modulation by KChIP1., Scannevin RH, Wang K, Jow F, Megules J, Kopsco DC, Edris W, Carroll KC, Lu Q, Xu W, Xu Z, Katz AH, Olland S, Lin L, Taylor M, Stahl M, Malakian K, Somers W, Mosyak L, Bowlby MR, Chanda P, Rhodes KJ, Neuron 2004 Feb 19;41(4):587-98. PMID:14980207
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk]
  • Biological Unit Coordinates (1s1g.pdb1.gz) 77 Kb
  • LPC: Ligand-Protein Contacts for 1S1G
  • CSU: Contacts of Structural Units for 1S1G
  • Likely Quarternary Molecular Structure file(s) for 1S1G
  • Structure Factors (133 Kb)
  • Retrieve 1S1G in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S1G from S2C, [Save to disk]
  • Re-refined 1s1g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1S1G 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 1S1G
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1S1G, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s1ga_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1s1gb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1s1g from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1s1g_A] [1s1g] [1s1g_B]
  • SWISS-PROT database: [Q9UK17]
  • Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB.
  • Domain organization of [KCND3_HUMAN] by SWISSPFAM
  • Domain found in 1S1G: [BTB ] by SMART
  • Other resources with information on 1S1G
  • Community annotation for 1S1G 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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