Potassium voltage-gated channel subfamily KQT member 3
Name | Potassium voltage-gated channel subfamily KQT member 3 |
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Synonyms | KQT-like 3 Potassium channel subunit alpha KvLQT3 Voltage-gated potassium channel subunit Kv7.3 |
Gene Name | KCNQ3 |
Organism | Human |
Amino acid sequence | >lcl|BSEQ0004710|Potassium voltage-gated channel subfamily KQT member 3 MGLKARRAAGAAGGGGDGGGGGGGAANPAGGDAAAAGDEERKVGLAPGDVEQVTLALGAG ADKDGTLLLEGGGRDEGQRRTPQGIGLLAKTPLSRPVKRNNAKYRRIQTLIYDALERPRG WALLYHALVFLIVLGCLILAVLTTFKEYETVSGDWLLLLETFAIFIFGAEFALRIWAAGC CCRYKGWRGRLKFARKPLCMLDIFVLIASVPVVAVGNQGNVLATSLRSLRFLQILRMLRM DRRGGTWKLLGSAICAHSKELITAWYIGFLTLILSSFLVYLVEKDVPEVDAQGEEMKEEF ETYADALWWGLITLATIGYGDKTPKTWEGRLIAATFSLIGVSFFALPAGILGSGLALKVQ EQHRQKHFEKRRKPAAELIQAAWRYYATNPNRIDLVATWRFYESVVSFPFFRKEQLEAAS SQKLGLLDRVRLSNPRGSNTKGKLFTPLNVDAIEESPSKEPKPVGLNNKERFRTAFRMKA YAFWQSSEDAGTGDPMAEDRGYGNDFPIEDMIPTLKAAIRAVRILQFRLYKKKFKETLRP YDVKDVIEQYSAGHLDMLSRIKYLQTRIDMIFTPGPPSTPKHKKSQKGSAFTFPSQQSPR NEPYVARPSTSEIEDQSMMGKFVKVERQVQDMGKKLDFLVDMHMQHMERLQVQVTEYYPT KGTSSPAEAEKKEDNRYSDLKTIICNYSETGPPEPPYSFHQVTIDKVSPYGFFAHDPVNL PRGGPSSGKVQATPPSSATTYVERPTVLPILTLLDSRVSCHSQADLQGPYSDRISPRQRR SITRDSDTPLSLMSVNHEELERSPSGFSISQDRDDYVFGPNGGSSWMREKRYLAEGETDT DTDPFTPSGSMPLSSTGDGISDSVWTPSNKPI |
Number of residues | 872 |
Molecular Weight | 96741.515 |
Theoretical pI | 9.2 |
GO Classification |
Functions
voltage-gated potassium channel activity potassium channel activity delayed rectifier potassium channel activity Processes
synaptic transmission membrane hyperpolarization oligodendrocyte development cellular response to ammonium ion axon guidance ganglion development potassium ion transmembrane transport potassium ion transport Components
cell surface integral component of membrane dendrite membrane raft neuronal cell body axon initial segment plasma membrane node of Ranvier voltage-gated potassium channel complex |
General Function | Voltage-gated potassium channel activity |
Specific Function | Probably important in the regulation of neuronal excitability. Associates with KCNQ2 or KCNQ5 to form a potassium channel with essentially identical properties to the channel underlying the native M-current, a slowly activating and deactivating potassium conductance which plays a critical role in determining the subthreshold electrical excitability of neurons as well as the responsiveness to synaptic inputs. |
Transmembrane Regions | 122-142 153-173 197-217 226-247 262-282 331-351 |
GenBank Protein ID | |
UniProtKB ID | O43525 |
UniProtKB Entry Name | KCNQ3_HUMAN |
Cellular Location | Membrane |
Gene sequence | >lcl|BSEQ0016778|Potassium voltage-gated channel subfamily KQT member 3 (KCNQ3) ATGAAGCCTGCAGAACACGCCACGATGTTCCTGATTGTCCTGGGGTGCTTGATTCTGGCT GTCCTGACCACATTCAAGGAGTATGAGACTGTCTCGGGAGACTGGCTTCTGTTACTGGAG ACATTTGCTATTTTCATCTTTGGAGCCGAGTTTGCTTTGAGGATCTGGGCTGCTGGATGT TGCTGCCGATACAAAGGCTGGCGGGGCCGACTGAAGTTTGCCAGGAAGCCCCTGTGCATG TTGGACATCTTTGTGCTGATTGCCTCTGTGCCAGTGGTTGCTGTGGGAAACCAAGGCAAT GTTCTGGCCACCTCCCTGCGAAGCCTGCGCTTCCTGCAGATCCTGCGCATGCTGCGGATG GACCGGAGAGGTGGCACCTGGAAGCTTCTGGGCTCAGCCATCTGTGCCCACAGCAAAGAA CTCATCACGGCCTGGTACATCGGTTTCCTGACACTCATCCTTTCTTCATTTCTTGTCTAC CTGGTTGAGAAAGACGTCCCAGAGGTGGATGCACAAGGAGAGGAGATGAAAGAGGAGTTT GAGACCTATGCAGATGCCCTGTGGTGGGGCCTGATCACACTGGCCACCATTGGCTATGGA GACAAGACACCCAAAACGTGGGAAGGCCGTCTGATTGCCGCCACCTTTTCCTTAATTGGC GTCTCCTTTTTTGCCCTTCCAGCGGGCATCCTGGGGTCCGGGCTGGCCCTCAAGGTGCAG GAGCAACACCGTCAGAAGCACTTTGAGAAAAGGAGGAAGCCAGCTGCTGAGCTCATTCAG GCTGCCTGGAGGTATTATGCTACCAACCCCAACAGGATTGACCTGGTGGCGACATGGAGA TTTTATGAATCAGTCGTCTCTTTTCCTTTCTTCAGGAAAGAACAGCTGGAGGCAGCATCC AGCCAAAAGCTGGGTCTCTTGGATCGGGTTCGCCTTTCTAATCCTCGTGGTAGCAATACT AAAGGAAAGCTATTTACCCCTCTGAATGTAGATGCCATAGAAGAAAGTCCTTCTAAAGAA CCAAAGCCTGTTGGCTTAAACAATAAAGAGCGTTTCCGCACGGCCTTCCGCATGAAAGCC TACGCTTTCTGGCAGAGTTCTGAAGATGCCGGGACAGGTGACCCCATGGCGGAAGACAGG GGCTATGGGAATGACTTCCCCATCGAAGACATGATCCCCACCCTGAAGGCCGCCATCCGA GCCGTCAGAATTCTACAATTCCGTCTCTATAAAAAAAAATTCAAGGAGACTTTGAGGCCT TACGATGTGAAGGATGTGATTGAGCAGTATTCTGCCGGGCATCTCGACATGCTTTCCAGG ATAAAGTACCTTCAGACGAGAATAGATATGATTTTCACCCCTGGACCTCCCTCCACGCCA AAACACAAGAAGTCTCAGAAAGGGTCAGCATTCACCTTCCCATCCCAGCAATCTCCCAGG AATGAACCATATGTAGCCAGACCATCCACATCAGAAATCGAAGACCAAAGCATGATGGGG AAGTTTGTAAAAGTTGAAAGACAGGTTCAGGACATGGGGAAGAAGCTGGACTTCCTCGTG GATATGCACATGCAACACATGGAACGGTTGCAGGTGCAGGTCACGGAGTATTACCCAACC AAGGGCACCTCCTCGCCAGCTGAAGCAGAGAAGAAGGAGGACAACAGGTATTCCGATTTG AAAACCATCATCTGCAACTATTCTGAGACAGGCCCCCCGGAACCACCCTACAGCTTCCAC CAGGTGACCATTGACAAAGTCAGCCCCTATGGGTTTTTTGCACATGACCCTGTGAACCTG CCCCGAGGGGGACCCAGTTCTGGAAAGGTTCAGGCAACTCCTCCTTCCTCAGCAACAACG TATGTGGAGAGGCCCACGGTCCTGCCTATCTTGACTCTTCTCGACTCCCGAGTGAGCTGC CACTCCCAGGCTGACCTGCAGGGCCCCTACTCGGACCGAATCTCCCCCCGGCAGAGACGT AGCATCACGCGAGACAGTGACACACCTCTGTCCCTGATGTCGGTCAACCACGAGGAGCTG GAGAGGTCTCCAAGTGGCTTCAGCATCTCCCAGGACAGAGATGATTATGTGTTCGGCCCC AATGGGGGGTCGAGCTGGATGAGGGAGAAGCGGTACCTCGCCGAGGGTGAGACGGACACA GACACGGACCCCTTCACGCCCAGCGGCTCCATGCCTCTGTCGTCCACAGGGGATGGGATT TCTGATTCAGTATGGACCCCTTCCAATAAGCCCATTTAA |
GenBank Gene ID | AF071491 |
GeneCard ID | None |
GenAtlas ID | KCNQ3 |
HGNC ID | HGNC:6297 |
Chromosome Location | 8 |
Locus | 8q24 |
References |
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Related FRC
FRCD ID | Name | Exact Mass | Structure |
---|---|---|---|
Barium |
137.327 |