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FLASH GENE
Symbol KCNH7 contributors: mct/npt - updated : 05-03-2014
HGNC name potassium voltage-gated channel, subfamily H (eag-related), member 7
HGNC id 18863
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • a N terminal cytoplasmic domain
  • PAS (PER-ARNT-SIM) dimerization domain
  • PAC (PAS-associated C-terminal ) domain
  • six transmembrane domains the fourth being the voltage-sensor site
  • a pore forming domain (H5) between the fifth and sixth transmembrane domains
  • a N glycosylation site
  • C-terminal region containing a cyclic-nucleotide-binding homology domain (CNBHD) and C-linker that couples the CNBHD to the pore
    • conjugated GlycoP
    mono polymer homomer , heteromer , tetramer
    HOMOLOGY
    Homologene
    FAMILY
  • potassium channel family
  • H (EAG) subfamily
    • CATEGORY transport channel
    SUBCELLULAR LOCALIZATION     plasma membrane
    basic FUNCTION
  • pore forming (alpha) subunit of voltage-gated potassium channel
  • selectively involved in proliferation of distinct uterine cancer cells (Suzuki 2004)
  • forms the ion channel responsible for the rapidly acting delayed rectifier potassium current, I(Kr), and its blockade is a significant contributor to prolongation of the QT interval (Yoshida 2006)
    • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS facilitated diffusion transport
    text prolactine secretion
    PATHWAY
    metabolism
    signaling
    a component
  • KCNH2, KCNH6
  • part of ERG channels control the excitability of medial vestibular nucleus neurones, their discharge regularity and probably their resonance properties (Pessia 2008)
    • INTERACTION
    DNA
    RNA
    small molecule nucleotide,
  • cyclic nucleotide (cAMP)
    • protein
    cell & other
    REGULATION
    ASSOCIATED DISORDERS
    ANIMAL & CELL MODELS