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Structural basis for the cAMP-dependent gating in human HCN4 channel
3OTF
Primary Citation
 
 
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  •   Molecular Description Hide
    Classification: Transport Protein
    Structure Weight: 26217.81
    Molecule: Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4
    Polymer: 1 Type: protein Length: 220
    Chains: A
    Fragment: nucleotide binding domain (CNBD, unp residues 521-739)
    Organism Homo sapiens
    Gene Name HCN4
    UniProtKB:   Protein Feature View | Search PDB | Q9Y3Q4  
     
  •   Source Hide
    Polymer: 1
    Scientific Name: Homo sapiens   Taxonomy   Common Name: Human Expression System: Escherichia coli  
     
  •   Ligand Chemical Component Hide
    Identifier Formula Name Interactions
    CMP
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    Download      		CMP C10 H12 N5 O6 P
    ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
    		CMP:3OTF
     
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    Identifier   Binding Affinity (Sequence Identity %)
    CMP
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    N/Ain BindingDB
    Kd: 830 nM - data from BindingMOAD  
    Kd: 830 nM - data from PDBbind  
     
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Data in orange boxes are gathered from external resources (when available).
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  Biological Assembly       
Biological assembly 1 assigned by authors and generated by PISA (software)
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  •   Deposition Summary Hide
    Authors:   Xu, X.,  Vysotskaya, Z.V.,  Liu, Q.,  Zhou, L.

    Deposition:   2010-09-11
    Release:   2010-10-13
    Last Modified (REVDAT):   2011-02-16
     
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    2011-07-13
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  •   Experimental Details Hide
    Method:   X-RAY DIFFRACTION
    Exp. Data:
      Structure Factors
    EDS  
    Resolution[Å]:   2.40
    R-Value: 0.239 (obs.)
    R-Free: 0.275
    Space Group: I 4 2 2
    Unit Cell:
      Length [Å] Angles [°]
    a = 69.26 α = 90.00 
    b = 69.26 β = 90.00 
    c = 191.62 γ = 90.00