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
crystal
cell
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
  • Alignments of the sequence of 3OTF with the sequences similar proteins can be viewed for 3OTF'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 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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