3LDC Transport Protein date Jan 12, 2010
title High Resolution Open Mthk Pore Structure Crystallized In 100
authors S.Ye
compound source
Molecule: Calcium-Gated Potassium Channel Mthk
Chain: A
Fragment: Mthk K+ Channel, Residues 28-99
Engineered: Yes
Mutation: Yes
 Organism_scientific: Methanothermobacter Thermautotrophicus
Organism_taxid: 187420
Gene: Mthk, Mth_1520
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Sg13009
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pqe70
symmetry Space Group: P 4 21 2
R_factor 0.187 R_Free 0.202
crystal
cell
length a length b length c angle alpha angle beta angle gamma
63.811 63.811 44.050 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.45 Å
ligand K enzyme
Gene MTH
Primary referenceNovel insights into K+ selectivity from high-resolution structures of an open K+ channel pore., Ye S, Li Y, Jiang Y, Nat Struct Mol Biol. 2010 Aug;17(8):1019-23. Epub 2010 Aug 1. PMID:20676101
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (19 Kb) [Save to disk]
  • Biological Unit Coordinates (3ldc.pdb1.gz) 55 Kb
  • LPC: Ligand-Protein Contacts for 3LDC
  • CSU: Contacts of Structural Units for 3LDC
  • Structure Factors (708 Kb)
  • Retrieve 3LDC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3LDC from S2C, [Save to disk]
  • Re-refined 3ldc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 3LDC 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 3LDC
  • 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 3LDC, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3ldc] [3ldc_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 3LDC
  • Community annotation for 3LDC 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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