3OTF

Structural basis for the cAMP-dependent gating in human HCN4 channel


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.237

Literature

Macromolecules
Sequence Display for 3OTF

Classification: TRANSPORT PROTEIN

Total Structure Weight: 26217.65

Macromolecule Entities
Molecule Chains Length Organism Details
Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 A 220 Homo sapiens Fragment: nucleotide binding domain (CNBD, unp residues 521-739)
Gene Name(s): HCN4 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CMP
Query on CMP

A ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
CYCLIC AMP; CAMP (Synonym)
C10 H12 N5 O6 P
IVOMOUWHDPKRLL-KQYNXXCUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CMP N/A in BindingDB
Kd: 830 nM  BindingMOAD
Kd: 830 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.237
  • Space Group: I 4 2 2

Unit Cell:

Length (Å) Angle (°)
a = 69.26 α = 90.00
b = 69.26 β = 90.00
c = 191.62 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-09-11
  • Released Date: 2010-10-13
  • Deposition author(s): Xu, X., Vysotskaya, Z.V., Liu, Q., Zhou, L.

Revision History

  • 2011-07-13
    Type: Version format compliance