2HQQ Transferase date Jul 19, 2006
title Crystal Structure Of Human Ketohexokinase Complexed To Different Sugar Molecules
authors C.H.Trinh, A.Asipu, D.T.Bonthron, S.E.V.Phillips
compound source
Molecule: Ketohexokinase
Chain: A
Synonym: Hepatic Fructokinase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Khk
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet11a
symmetry Space Group: I 2 2 2
R_factor 0.205 R_Free 0.234
length a length b length c angle alpha angle beta angle gamma
61.260 109.619 146.290 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.86 Å
ligand SO4 enzyme Transferase E.C. BRENDA
  • ketohexokinase activity

  • Primary referenceStructures of alternatively spliced isoforms of human ketohexokinase., Trinh CH, Asipu A, Bonthron DT, Phillips SE, Acta Crystallogr D Biol Crystallogr. 2009 Mar;65(Pt 3):201-11. Epub 2009, Feb 20. PMID:19237742
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk]
  • Biological Unit Coordinates (2hqq.pdb1.gz) 103 Kb
  • LPC: Ligand-Protein Contacts for 2HQQ
  • CSU: Contacts of Structural Units for 2HQQ
  • Likely Quarternary Molecular Structure file(s) for 2HQQ
  • Structure Factors (398 Kb)
  • Retrieve 2HQQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2HQQ from S2C, [Save to disk]
  • Re-refined 2hqq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2HQQ 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 2HQQ
  • 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 2HQQ, from MSDmotif at EBI
  • Fold representative 2hqq from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2hqq] [2hqq_A]
  • SWISS-PROT database: [P50053]
  • Domain organization of [KHK_HUMAN] by SWISSPFAM
  • Other resources with information on 2HQQ
  • Community annotation for 2HQQ 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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