4HBN Neuropeptide date Sep 28, 2012
title Crystal Structure Of The Human Hcn4 Channel C-Terminus Carry S672r Mutation
authors X.Xu, F.Marni, X.Wu, Z.Su, F.Musayev, S.Shrestha, C.Xie, W.Gao, Q.Li
compound source
Molecule: Potassiumsodium Hyperpolarization-Activated Cycl Nucleotide-Gated Channel 4;
Chain: A
Fragment: C-Linker And Cnbd: Unp Residues 521-724
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hcn4
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Pet28
Expression_system_plasmid: Psmt3_hhcn4_s672r
symmetry Space Group: I 4 2 2
R_factor 0.257 R_Free 0.297
length a length b length c angle alpha angle beta angle gamma
95.467 95.467 115.990 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand CMP, PO4 enzyme

Primary referenceLocal and Global Interpretations of a Disease-Causing Mutation near the Ligand Entry Path in Hyperpolarization-Activated cAMP-Gated Channel., Xu X, Marni F, Wu S, Su Z, Musayev F, Shrestha S, Xie C, Gao W, Liu Q, Zhou L, Structure. 2012 Dec 5;20(12):2116-23. doi: 10.1016/j.str.2012.09.017. Epub 2012, Oct 25. PMID:23103389
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk]
  • Biological Unit Coordinates (4hbn.pdb1.gz) 136 Kb
  • LPC: Ligand-Protein Contacts for 4HBN
  • CSU: Contacts of Structural Units for 4HBN
  • Structure Factors (166 Kb)
  • Retrieve 4HBN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4HBN from S2C, [Save to disk]
  • Re-refined 4hbn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4HBN 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 4HBN
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4HBN, from MSDmotif at EBI
  • Fold representative 4hbn from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4hbn_A] [4hbn]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4HBN: [cNMP ] by SMART
  • Other resources with information on 4HBN
  • Community annotation for 4HBN at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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