3QNQ Membrane Protein, Transport Protein date Feb 08, 2011
title Crystal Structure Of The Transporter Chbc, The Iic Component N,N'-Diacetylchitobiose-Specific Phosphotransferase System
authors Y.Cao, X.Jin, H.Huang, E.J.Levin, M.Zhou, New York Consortium On Protein Structure (Nycomps)
compound source
Molecule: Pts System, Cellobiose-Specific Iic Component
Chain: A, B, C, D
Ec: 2.7.1.69
Engineered: Yes
Organism_scientific: Bacillus Cereus
Organism_taxid: 222523
Strain: Atcc 10987
Gene: Bce_5325, Celb, Chbc
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
symmetry Space Group: P 43 21 2
R_factor 0.228 R_Free 0.264
crystal
cell
length a length b length c angle alpha angle beta angle gamma
132.812 132.812 452.954 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.30 Å
ligand CIT, GLC, NAG, ZDM enzyme Transferase E.C.2.7.1.69 BRENDA
Gene BCE
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B
  • protein-N(PI)-phosphohistidi...


  • Primary referenceCrystal structure of a phosphorylation-coupled saccharide transporter., Cao Y, Jin X, Levin EJ, Huang H, Zong Y, Quick M, Weng J, Pan Y, Love J, Punta M, Rost B, Hendrickson WA, Javitch JA, Rajashankar KR, Zhou M, Nature. 2011 May 5;473(7345):50-4. Epub 2011 Apr 6. PMID:21471968
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (278 Kb) [Save to disk]
  • Biological Unit Coordinates (3qnq.pdb1.gz) 136 Kb
  • Biological Unit Coordinates (3qnq.pdb2.gz) 137 Kb
  • LPC: Ligand-Protein Contacts for 3QNQ
  • CSU: Contacts of Structural Units for 3QNQ
  • Structure Factors (1117 Kb)
  • Retrieve 3QNQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3QNQ from S2C, [Save to disk]
  • Re-refined 3qnq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3QNQ 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 3QNQ
  • 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 3QNQ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3qnq] [3qnq_B] [3qnq_C] [3qnq_A] [3qnq_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3QNQ
  • Community annotation for 3QNQ 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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