Target Information

General Information of This Target
Target ID
BTDT00177
Target Name
Potassium voltage-gated channel subfamily A member 7 (KCNA7)
Target Bioclass
Transporter and channel
Uniprot ID
Q96RP8
3D Structure
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2D Sequence
3D Structure
Source
Predict by Alphafold2
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Alphafold Parameters: msa_mode: mmseqs2_uniref_env model_type: auto num_recycles: auto
Gene Name
KCNA7
Gene ID
3743
Synonym
Voltage-gated potassium channel subunit Kv1.7
Sequence
MEPRCPPPCGCCERLVLNVAGLRFETRARTLGRFPDTLLGDPARRGRFYDDARREYFFDR
HRPSFDAVLYYYQSGGRLRRPAHVPLDVFLEEVAFYGLGAAALARLREDEGCPVPPERPL
PRRAFARQLWLLFEFPESSQAARVLAVVSVLVILVSIVVFCLETLPDFRDDRDGTGLAAA
AAAGPFPAPLNGSSQMPGNPPRLPFNDPFFVVETLCICWFSFELLVRLLVCPSKAIFFKN
VMNLIDFVAILPYFVALGTELARQRGVGQQAMSLAILRVIRLVRVFRIFKLSRHSKGLQI
LGQTLRASMRELGLLIFFLFIGVVLFSSAVYFAEVDRVDSHFTSIPESFWWAVVTMTTVG
YGDMAPVTVGGKIVGSLCAIAGVLTISLPVPVIVSNFSYFYHRETEGEEAGMFSHVDMQP
CGPLEGKANGGLVDGEVPELPPPLWAPPGKHLVTEV

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Family
the potassium channel family
Function
Mediates the voltage-dependent potassium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a potassium-selective channel through which potassium ions may pass in accordance with their electrochemical gradient.

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Taxonomy ID
9606
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Kingdom: Metazoa
Phylum: Chordata
Class: Mammalia
Order: Primates
Family: Hominidae
Genus: Homo
Species: Homo sapiens
Toxin Information Related to This Target
                           Toxin Name Activity Data Type Activity Data Reference
 Toxin Info    Kunitz-type conkunitzin-S1 Inhibition rate
65 %
 [1], [2], [3]
References
Ref 1 Production of recombinant Conkunitzin-S1 in Escherichia coli. Protein Expr Purif. 2006 Jun;47(2):640-4. doi: 10.1016/j.pep.2006.01.019. Epub 2006 Feb 20.
Ref 2 Conkunitzin-S1 is the first member of a new Kunitz-type neurotoxin family. Structural and functional characterization. J Biol Chem. 2005 Jun 24;280(25):23766-70. doi: 10.1074/jbc.C500064200. Epub 2005 Apr 15.
Ref 3 Structure of conkunitzin-S1, a neurotoxin and Kunitz-fold disulfide variant from cone snail. Acta Crystallogr D Biol Crystallogr. 2006 Sep;62(Pt 9):980-90. doi: 10.1107/S0907444906021123. Epub 2006 Aug 19.
Ref 4 The impact of the fourth disulfide bridge in scorpion toxins of the alpha-KTx6 subfamily. Proteins. 2005 Dec 1;61(4):1010-23. doi: 10.1002/prot.20681.
Ref 5 Pharmaceutical Optimization of Peptide Toxins for Ion Channel Targets: Potent, Selective, and Long-Lived Antagonists of Kv1.3. J Med Chem. 2015 Sep 10;58(17):6784-802. doi: 10.1021/acs.jmedchem.5b00495. Epub 2015 Aug 31.
Ref 6 Role of disulfide bonds in the structure and potassium channel blocking activity of ShK toxin. Biochemistry. 1999 Nov 2;38(44):14549-58. doi: 10.1021/bi991282m.
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