Potassium voltage-gated channel subfamily H member 1 - Q60603 (KCNH1_MOUSE)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q60603: 3
Pore-forming (alpha) subunit of a voltage-gated delayed rectifier potassium channel (PubMed:19671703, PubMed:23975098). Channel properties may be modulated by subunit assembly, but not by cyclic nucleotides (PubMed:19671703). Mediates IK(NI) current in myoblasts (By similarity). Involved in the regulation of cell proliferation and differentiation, as adipogenic and osteogenic differentiation in bone marrow-derived mesenchymal stem cells (MSCs). (data source: UniProt  )
Subunit structure
The potassium channel is probably composed of a homo- or heterotetrameric complex of pore-forming alpha subunits that can associate with modulating beta subunits. Heteromultimer with KCNH5/EAG2. Interacts with ALG10B (By similarity). Interacts with RABEP1 (PubMed:22841712). Interacts (via C-terminus) with CTTN. (data source: UniProt  )
The cyclic nucleotide-binding domain lacks residues that are essential for nucleotide-binding and cannot bind cyclic nucleotides (PubMed:19671703). Instead, residues from the C-terminal domain (the so-called intrinsic ligand) bind in the cavity that would be expected to bind cyclic nucleotides. Interaction with the C-terminal region hinders interaction with CALM and reduces the affinity for CALM. (data source: UniProt  )
Organism (common name): Mouse
Other Gene names: Kcnh1 Eag
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Data in green originates from UniProtKB  
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
  • Red: hydrophobic
  • Blue: hydrophilic.
Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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