2HKA Lipid Binding Protein date Jul 03, 2006
title Crystal Structure Of Bovine Npc2 And Cholesterol Sulfate Com
authors S.Xu, L.Gu, B.Benoff, A.M.Stock
compound source
Molecule: Epididymal Secretory Protein E1
Chain: A, B, C
Synonym: Niemann Pick Type C2 Protein Homolog, Npc2, Epv20
 Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
Secretion: Milk
symmetry Space Group: C 1 2 1
R_factor 0.195 R_Free 0.214
crystal
cell
length a length b length c angle alpha angle beta angle gamma
122.380 62.163 72.449 90.00 98.62 90.00
method X-Ray Diffractionresolution 1.81 Å
ligand ACT, C3S, GOL, NAG, SO4 enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceStructural Basis of Sterol Binding by NPC2, a Lysosomal Protein Deficient in Niemann-Pick Type C2 Disease., Xu S, Benoff B, Liou HL, Lobel P, Stock AM, J Biol Chem. 2007 Aug 10;282(32):23525-31. Epub 2007 Jun 14. PMID:17573352
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (77 Kb) [Save to disk]
  • Biological Unit Coordinates (2hka.pdb1.gz) 25 Kb
  • Biological Unit Coordinates (2hka.pdb2.gz) 26 Kb
  • Biological Unit Coordinates (2hka.pdb3.gz) 25 Kb
  • LPC: Ligand-Protein Contacts for 2HKA
  • CSU: Contacts of Structural Units for 2HKA
  • Likely Quarternary Molecular Structure file(s) for 2HKA
  • Structure Factors (688 Kb)
  • Retrieve 2HKA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2HKA from S2C, [Save to disk]
  • Re-refined 2hka structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2HKA 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 2HKA
  • 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 2HKA, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2hka_C] [2hka_B] [2hka] [2hka_A]
  • SWISS-PROT database: [P79345]
  • Domain organization of [NPC2_BOVIN] by SWISSPFAM
  • Domain found in 2HKA: [ML ] by SMART
    • Other resources with information on 2HKA
  • Community annotation for 2HKA 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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