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
crystal
cell
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
  • Alignments of the sequence of 4HBN with the sequences similar proteins can be viewed for 4HBN's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.
  • 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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