3OTF Transport Protein date Sep 11, 2010
title Structural Basis For The Camp-Dependent Gating In Human Hcn4
authors X.Xu, Z.V.Vysotskaya, Q.Liu, L.Zhou
compound source
Molecule: Potassiumsodium Hyperpolarization-Activated Cycl Nucleotide-Gated Channel 4;
Chain: A
Fragment: Nucleotide Binding Domain (Cnbd, Unp Residues 521
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hcn4
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21de3(Gold)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Psmt3
symmetry Space Group: I 4 2 2
R_factor 0.237 R_Free 0.275
length a length b length c angle alpha angle beta angle gamma
69.264 69.264 191.616 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand CMP enzyme

Primary referenceStructural basis for the camp-dependent gating in human HCN4 channel., Xu X, Vysotskaya ZV, Liu Q, Zhou L, J Biol Chem. 2010 Sep 9. PMID:20829353
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk]
  • Biological Unit Coordinates (3otf.pdb1.gz) 130 Kb
  • LPC: Ligand-Protein Contacts for 3OTF
  • CSU: Contacts of Structural Units for 3OTF
  • Structure Factors (119 Kb)
  • Retrieve 3OTF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3OTF from S2C, [Save to disk]
  • Re-refined 3otf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3OTF 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 3OTF
  • 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 3OTF, from MSDmotif at EBI
  • Fold representative 3otf from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3otf] [3otf_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3OTF: [cNMP ] by SMART
  • Other resources with information on 3OTF
  • Community annotation for 3OTF 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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