Identification
HMDB Protein ID CDBP03357
Secondary Accession Numbers Not Available
Name Potassium voltage-gated channel subfamily H member 3
Description Not Available
Synonyms
  1. BEC1
  2. Brain-specific eag-like channel 1
  3. ELK channel 2
  4. ELK2
  5. Ether-a-go-go-like potassium channel 2
  6. Voltage-gated potassium channel subunit Kv12.2
Gene Name KCNH3
Protein Type Enzyme
Biological Properties
General Function Involved in ion channel activity
Specific Function Pore-forming (alpha) subunit of voltage-gated potassium channel. Elicits an outward current with fast inactivation. Channel properties may be modulated by cAMP and subunit assembly
GO Classification
Component
membrane
cell part
Function
protein kinase activity
transporter activity
ion channel activity
cation channel activity
potassium channel activity
catalytic activity
voltage-gated potassium channel activity
transferase activity
transferase activity, transferring phosphorus-containing groups
kinase activity
protein histidine kinase activity
two-component sensor activity
transmembrane transporter activity
substrate-specific transmembrane transporter activity
ion transmembrane transporter activity
molecular transducer activity
signal transducer activity
Process
regulation of transcription
regulation of transcription, dna-dependent
regulation of cellular process
signal transduction
transmembrane transport
monovalent inorganic cation transport
potassium ion transport
signaling process
ion transport
signal transmission
cation transport
two-component signal transduction system (phosphorelay)
establishment of localization
transport
biological regulation
regulation of biological process
regulation of metabolic process
regulation of macromolecule metabolic process
regulation of gene expression
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Pathways
Gene Properties
Chromosome Location Chromosome:1
Locus 12q13
SNPs KCNH3
Gene Sequence
>3252 bp
ATGCCGGCCATGCGGGGCCTCCTGGCGCCTCAGAACACCTTCCTGGACACCATCGCTACG
CGCTTCGACGGCACGCACAGTAACTTCGTGCTGGGCAACGCCCAGGTGGCGGGGCTCTTC
CCCGTGGTCTACTGCTCTGATGGCTTCTGTGACCTCACGGGCTTCTCCCGGGCTGAGGTC
ATGCAGCGGGGCTGTGCCTGCTCCTTCCTTTATGGGCCAGACACCAGTGAGCTCGTCCGC
CAACAGATCCGCAAGGCCCTGGACGAGCACAAGGAGTTCAAGGCTGAGCTGATCCTGTAC
CGGAAGAGCGGGCTCCCGTTCTGGTGTCTCCTGGATGTGATACCCATAAAGAATGAGAAA
GGGGAGGTGGCTCTCTTCCTAGTCTCTCACAAGGACATCAGCGAAACCAAGAACCGAGGG
GGCCCCGACAGATGGAAGGAGACAGGTGGTGGCCGGCGCCGATATGGCCGGGCACGATCC
AAAGGCTTCAATGCCAACCGGCGGCGGAGCCGGGCCGTGCTCTACCACCTGTCCGGGCAC
CTGCAGAAGCAGCCCAAGGGCAAGCACAAGCTCAATAAGGGGGTGTTTGGGGAGAAACCA
AACTTGCCTGAGTACAAAGTAGCCGCCATCCGGAAGTCGCCCTTCATCCTGTTGCACTGT
GGGGCACTGAGAGCCACCTGGGATGGCTTCATCCTGCTCGCCACACTCTATGTGGCTGTC
ACTGTGCCCTACAGCGTGTGTGTGAGCACAGCACGGGAGCCCAGTGCCGCCCGCGGCCCG
CCCAGCGTCTGTGACCTGGCCGTGGAGGTCCTCTTCATCCTTGACATTGTGCTGAATTTC
CGTACCACATTCGTGTCCAAGTCGGGCCAGGTGGTGTTTGCCCCAAAGTCCATTTGCCTC
CACTACGTCACCACCTGGTTCCTGCTGGATGTCATCGCAGCGCTGCCCTTTGACCTGCTA
CATGCCTTCAAGGTCAACGTGTACTTCGGGGCCCATCTGCTGAAGACGGTGCGCCTGCTG
CGCCTGCTGCGCCTGCTTCCGCGGCTGGACCGGTACTCGCAGTACAGCGCCGTGGTGCTG
ACACTGCTCATGGCCGTGTTCGCCCTGCTCGCGCACTGGGTCGCCTGCGTCTGGTTTTAC
ATTGGCCAGCGGGAGATCGAGAGCAGCGAATCCGAGCTGCCTGAGATTGGCTGGCTGCAG
GAGCTGGCCCGCCGACTGGAGACTCCCTACTACCTGGTGGGCCGGAGGCCAGCTGGAGGG
AACAGCTCCGGCCAGAGTGACAACTGCAGCAGCAGCAGCGAGGCCAACGGGACGGGGCTG
GAGCTGCTGGGCGGCCCGTCGCTGCGCAGCGCCTACATCACCTCCCTCTACTTCGCACTC
AGCAGCCTCACCAGCGTGGGCTTCGGCAACGTGTCCGCCAACACGGACACCGAGAAGATC
TTCTCCATCTGCACCATGCTCATCGGCGCCCTGATGCACGCGGTGGTGTTTGGGAACGTG
ACGGCCATCATCCAGCGCATGTACGCCCGCCGCTTTCTGTACCACAGCCGCACGCGCGAC
CTGCGCGACTACATCCGCATCCACCGTATCCCCAAGCCCCTCAAGCAGCGCATGCTGGAG
TACTTCCAGGCCACCTGGGCGGTGAACAATGGCATCGACACCACCGAGCTGCTGCAGAGC
CTCCCTGACGAGCTGCGCGCAGACATCGCCATGCACCTGCACAAGGAGGTCCTGCAGCTG
CCACTGTTTGAGGCGGCCAGCCGCGGCTGCCTGCGGGCACTGTCTCTGGCCCTGCGGCCC
GCCTTCTGCACGCCGGGCGAGTACCTCATCCACCAAGGCGATGCCCTGCAGGCCCTCTAC
TTTGTCTGCTCTGGCTCCATGGAGGTGCTCAAGGGTGGCACCGTGCTCGCCATCCTAGGG
AAGGGCGACCTGATCGGCTGTGAGCTGCCCCGGCGGGAGCAGGTGGTAAAGGCCAATGCC
GACGTGAAGGGGCTGACGTACTGCGTCCTGCAGTGTCTGCAGCTGGCTGGCCTGCACGAC
AGCCTTGCGCTGTACCCCGAGTTTGCCCCGCGCTTCAGTCGTGGCCTCCGAGGGGAGCTC
AGCTACAACCTGGGTGCTGGGGGAGGCTCTGCAGAGGTGGACACCAGCTCCCTGAGCGGC
GACAATACCCTTATGTCCACGCTGGAGGAGAAGGAGACAGATGGGGAGCAGGGCCCCACG
GTCTCCCCAGCCCCAGCTGATGAGCCCTCCAGCCCCCTGCTGTCCCCTGGCTGCACCTCC
TCATCCTCAGCTGCCAAGCTGCTATCCCCACGTCGAACAGCACCCCGGCCTCGTCTAGGT
GGCAGAGGGAGGCCAGGCAGGGCAGGGGCTTTGAAGGCTGAGGCTGGCCCCTCTGCTCCC
CCACGGGCCCTAGAGGGGCTACGGCTGCCCCCCATGCCATGGAATGTGCCCCCAGATCTG
AGCCCCAGGGTAGTAGATGGCATTGAAGACGGCTGTGGCTCGGACCAGCCCAAGTTCTCT
TTCCGCGTGGGCCAGTCTGGCCCGGAATGTAGCAGCAGCCCCTCCCCTGGACCAGAGAGC
GGCCTGCTCACTGTTCCCCATGGGCCCAGCGAGGCAAGGAACACAGACACACTGGACAAG
CTTCGGCAGGCGGTGACAGAGCTGTCAGAGCAGGTGCTGCAGATGCGGGAAGGACTGCAG
TCACTTCGCCAGGCTGTGCAGCTTGTCCTGGCGCCCCACAGGGAGGGTCCGTGCCCTCGG
GCATCGGGAGAGGGGCCGTGCCCAGCCAGCACCTCCGGGCTTCTGCAGCCTCTGTGTGTG
GACACTGGGGCATCCTCCTACTGCCTGCAGCCCCCAGCTGGCTCTGTCTTGAGTGGGACT
TGGCCCCACCCTCGTCCGGGGCCTCCTCCCCTCATGGCACCCTGGCCCTGGGGTCCCCCA
GCGTCTCAGAGCTCCCCCTGGCCTCGAGCCACAGCTTTCTGGACCTCCACCTCAGACTCA
GAGCCCCCTGCCTCAGGAGACCTCTGCTCTGAGCCCAGCACCCCTGCCTCCCCTCCTCCT
TCTGAGGAAGGGGCTAGGACTGGGCCCGCAGAGCCTGTGAGCCAGGCTGAGGCTACCAGC
ACTGGAGAGCCCCCACCAGGGTCAGGGGGCCTGGCCTTGCCCTGGGACCCCCACAGCCTG
GAGATGGTGCTTATTGGCTGCCATGGCTCTGGCACAGTCCAGTGGACCCAGGAAGAAGGC
ACAGGGGTCTGA
Protein Properties
Number of Residues 1083
Molecular Weight 117127.7
Theoretical pI 7.98
Pfam Domain Function
Signals
  • ["None"]
Transmembrane Regions
  • ["229-249", "260-280", "303-323", "332-352", "362-382", "480-500"]
Protein Sequence
>Potassium voltage-gated channel subfamily H member 3
MPAMRGLLAPQNTFLDTIATRFDGTHSNFVLGNAQVAGLFPVVYCSDGFCDLTGFSRAEV
MQRGCACSFLYGPDTSELVRQQIRKALDEHKEFKAELILYRKSGLPFWCLLDVIPIKNEK
GEVALFLVSHKDISETKNRGGPDRWKETGGGRRRYGRARSKGFNANRRRSRAVLYHLSGH
LQKQPKGKHKLNKGVFGEKPNLPEYKVAAIRKSPFILLHCGALRATWDGFILLATLYVAV
TVPYSVCVSTAREPSAARGPPSVCDLAVEVLFILDIVLNFRTTFVSKSGQVVFAPKSICL
HYVTTWFLLDVIAALPFDLLHAFKVNVYFGAHLLKTVRLLRLLRLLPRLDRYSQYSAVVL
TLLMAVFALLAHWVACVWFYIGQREIESSESELPEIGWLQELARRLETPYYLVGRRPAGG
NSSGQSDNCSSSSEANGTGLELLGGPSLRSAYITSLYFALSSLTSVGFGNVSANTDTEKI
FSICTMLIGALMHAVVFGNVTAIIQRMYARRFLYHSRTRDLRDYIRIHRIPKPLKQRMLE
YFQATWAVNNGIDTTELLQSLPDELRADIAMHLHKEVLQLPLFEAASRGCLRALSLALRP
AFCTPGEYLIHQGDALQALYFVCSGSMEVLKGGTVLAILGKGDLIGCELPRREQVVKANA
DVKGLTYCVLQCLQLAGLHDSLALYPEFAPRFSRGLRGELSYNLGAGGGSAEVDTSSLSG
DNTLMSTLEEKETDGEQGPTVSPAPADEPSSPLLSPGCTSSSSAAKLLSPRRTAPRPRLG
GRGRPGRAGALKAEAGPSAPPRALEGLRLPPMPWNVPPDLSPRVVDGIEDGCGSDQPKFS
FRVGQSGPECSSSPSPGPESGLLTVPHGPSEARNTDTLDKLRQAVTELSEQVLQMREGLQ
SLRQAVQLVLAPHREGPCPRASGEGPCPASTSGLLQPLCVDTGASSYCLQPPAGSVLSGT
WPHPRPGPPPLMAPWPWGPPASQSSPWPRATAFWTSTSDSEPPASGDLCSEPSTPASPPP
SEEGARTGPAEPVSQAEATSTGEPPPGSGGLALPWDPHSLEMVLIGCHGSGTVQWTQEEG
TGV
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID Q9ULD8
UniProtKB/Swiss-Prot Entry Name KCNH3_HUMAN
PDB IDs Not Available
GenBank Gene ID AB022696
GeneCard ID KCNH3
GenAtlas ID KCNH3
HGNC ID HGNC:6252
References
General References Not Available