Identification |
HMDB Protein ID
| HMDBP08143 |
Secondary Accession Numbers
| |
Name
| Potassium voltage-gated channel subfamily H member 3 |
Synonyms
|
- BEC1
- Brain-specific eag-like channel 1
- ELK channel 2
- ELK2
- Ether-a-go-go-like potassium channel 2
- Voltage-gated potassium channel subunit Kv12.2
|
Gene Name
| KCNH3 |
Protein Type
| Unknown |
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 |
Pathways
|
Not Available
|
Reactions
| Not Available |
GO Classification
|
Component |
membrane |
cell part |
Function |
catalytic 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 |
protein kinase activity |
transporter activity |
ion channel activity |
cation channel activity |
potassium channel activity |
voltage-gated potassium channel activity |
Process |
signaling process |
signal transmission |
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 |
regulation of transcription |
regulation of transcription, dna-dependent |
regulation of cellular process |
signal transduction |
transmembrane transport |
monovalent inorganic cation transport |
potassium ion transport |
ion transport |
cation transport |
|
Cellular Location
|
- Membrane
- Multi-pass membrane protein
|
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
|
|
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
|
External Links |
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
| - Nagase T, Ishikawa K, Kikuno R, Hirosawa M, Nomura N, Ohara O: Prediction of the coding sequences of unidentified human genes. XV. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro. DNA Res. 1999 Oct 29;6(5):337-45. [PubMed:10574462 ]
- Miyake A, Mochizuki S, Yokoi H, Kohda M, Furuichi K: New ether-a-go-go K(+) channel family members localized in human telencephalon. J Biol Chem. 1999 Aug 27;274(35):25018-25. [PubMed:10455180 ]
|