Target Information

General Information of This Target
Target ID
BTDT00201
Target Name
Sodium channel protein type 11 subunit alpha (SCN11A)
Target Bioclass
Transporter and channel
Uniprot ID
Q9UI33
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
SCN11A
Gene ID
11280
Synonym
Peripheral nerve sodium channel 5; Sensory neuron sodium channel 2; Sodium channel protein type XI subunit alpha; Voltage-gated sodium channel subunit alpha Nav1.9; hNaN
Sequence
MDDRCYPVIFPDERNFRPFTSDSLAAIEKRIAIQKEKKKSKDQTGEVPQPRPQLDLKASR
KLPKLYGDIPRELIGKPLEDLDPFYRNHKTFMVLNRKRTIYRFSAKHALFIFGPFNSIRS
LAIRVSVHSLFSMFIIGTVIINCVFMATGPAKNSNSNNTDIAECVFTGIYIFEALIKILA
RGFILDEFSFLRDPWNWLDSIVIGIAIVSYIPGITIKLLPLRTFRVFRALKAISVVSRLK
VIVGALLRSVKKLVNVIILTFFCLSIFALVGQQLFMGSLNLKCISRDCKNISNPEAYDHC
FEKKENSPEFKMCGIWMGNSACSIQYECKHTKINPDYNYTNFDNFGWSFLAMFRLMTQDS
WEKLYQQTLRTTGLYSVFFFIVVIFLGSFYLINLTLAVVTMAYEEQNKNVAAEIEAKEKM
FQEAQQLLKEEKEALVAMGIDRSSLTSLETSYFTPKKRKLFGNKKRKSFFLRESGKDQPP
GSDSDEDCQKKPQLLEQTKRLSQNLSLDHFDEHGDPLQRQRALSAVSILTITMKEQEKSQ
EPCLPCGENLASKYLVWNCCPQWLCVKKVLRTVMTDPFTELAITICIIINTVFLAMEHHK
MEASFEKMLNIGNLVFTSIFIAEMCLKIIALDPYHYFRRGWNIFDSIVALLSFADVMNCV
LQKRSWPFLRSFRVLRVFKLAKSWPTLNTLIKIIGNSVGALGSLTVVLVIVIFIFSVVGM
QLFGRSFNSQKSPKLCNPTGPTVSCLRHWHMGDFWHSFLVVFRILCGEWIENMWECMQEA
NASSSLCVIVFILITVIGKLVVLNLFIALLLNSFSNEERNGNLEGEARKTKVQLALDRFR
RAFCFVRHTLEHFCHKWCRKQNLPQQKEVAGGCAAQSKDIIPLVMEMKRGSETQEELGIL
TSVPKTLGVRHDWTWLAPLAEEEDDVEFSGEDNAQRITQPEPEQQAYELHQENKKPTSQR
VQSVEIDMFSEDEPHLTIQDPRKKSDVTSILSECSTIDLQDGFGWLPEMVPKKQPERCLP
KGFGCCFPCCSVDKRKPPWVIWWNLRKTCYQIVKHSWFESFIIFVILLSSGALIFEDVHL
ENQPKIQELLNCTDIIFTHIFILEMVLKWVAFGFGKYFTSAWCCLDFIIVIVSVTTLINL
MELKSFRTLRALRPLRALSQFEGMKVVVNALIGAIPAILNVLLVCLIFWLVFCILGVYFF
SGKFGKCINGTDSVINYTIITNKSQCESGNFSWINQKVNFDNVGNAYLALLQVATFKGWM
DIIYAAVDSTEKEQQPEFESNSLGYIYFVVFIIFGSFFTLNLFIGVIIDNFNQQQKKLGG
QDIFMTEEQKKYYNAMKKLGSKKPQKPIPRPLNKCQGLVFDIVTSQIFDIIIISLIILNM
ISMMAESYNQPKAMKSILDHLNWVFVVIFTLECLIKIFALRQYYFTNGWNLFDCVVVLLS
IVSTMISTLENQEHIPFPPTLFRIVRLARIGRILRLVRAARGIRTLLFALMMSLPSLFNI
GLLLFLIMFIYAILGMNWFSKVNPESGIDDIFNFKTFASSMLCLFQISTSAGWDSLLSPM
LRSKESCNSSSENCHLPGIATSYFVSYIIISFLIVVNMYIAVILENFNTATEESEDPLGE
DDFDIFYEVWEKFDPEATQFIKYSALSDFADALPEPLRVAKPNKYQFLVMDLPMVSEDRL
HCMDILFAFTARVLGGSDGLDSMKAMMEEKFMEANPLKKLYEPIVTTTKRKEEERGAAII
QKAFRKYMMKVTKGDQGDQNDLENGPHSPLQTLCNGDLSSFGVAKGKVHCD

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Family
the sodium channel (TC 1.A.1.10) family
Function
Sodium channel mediating the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which sodium ions may pass in accordance with their electrochemical gradient. Involved in membrane depolarization during action potential in nociceptors which function as key relay stations for the electrical transmission of pain signals from the periphery to the central nervous system. Also involved in rapid BDNF-evoked neuronal depolarization.

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Taxonomy ID
9606
TCDB ID
1.A.1.10.9
        Click to Show/Hide the Complete Species Lineage
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    Nemertide alpha-6 Effective concentration 50
36.3 nM
 [1], [2]
 Toxin Info    Nemertide alpha-5 Effective concentration 50
66.9 nM
 [1], [2]
 Toxin Info    Nemertide alpha-1 Effective concentration 50
76.5 nM
 [1], [2], [3]
 Toxin Info    Nemertide alpha-1 Effective concentration 50
76.5 nM
 [1], [2], [3]
 Toxin Info    Nemertide alpha-3 Effective concentration 50
92.8 nM
 [1], [2]
 Toxin Info    Nemertide alpha-3 Effective concentration 50
92.8 nM
 [1], [2]
 Toxin Info    Nemertide alpha-4 Effective concentration 50
123.6 nM
 [1], [2]
 Toxin Info    Nemertide alpha-7 Effective concentration 50
147.6 nM
 [1], [2]
 Toxin Info    Nemertide alpha-2 Effective concentration 50
1.3618 μM
 [1], [2]
 Toxin Info    PTx2-3127 IC50
>150 μM
 [4]
 Toxin Info    PnCS2 IC50
0.7 ± 0.2 μM
 [5]
 Toxin Info    Mu-theraphotoxin-Pn3a IC50
2.427 μM
 [6- 11]
 Toxin Info    PnCS4 IC50
6.3 ± 0.4 μM
 [5]
 Toxin Info    PnCS3 IC50
23.8 ± 3.5 μM
 [5]
 Toxin Info    PTx2-3258 IC50
59.443 μM
 [12]
References
Ref 1 Peptide ion channel toxins from the bootlace worm, the longest animal on Earth. Sci Rep. 2018 Mar 22;8(1):4596. doi: 10.1038/s41598-018-22305-w.
Ref 2 Functional Characterization of the Nemertide Family of Peptide Toxins. J Nat Prod. 2021 Aug 27;84(8):2121-2128. doi: 10.1021/acs.jnatprod.1c00104. Epub 2021 Aug 16.
Ref 3 Compound Heterozygous SCN5A Mutations in Severe Sodium Channelopathy With Brugada Syndrome: A Case Report. Front Cardiovasc Med. 2020 Jul 24;7:117. doi: 10.3389/fcvm.2020.00117. eCollection 2020.
Ref 4 Computational design of peptides to target Na(V)1.7 channel with high potency and selectivity for the treatment of pain. Elife. 2022 Dec 28;11:e81727. doi: 10.7554/eLife.81727.
Ref 5 Where cone snails and spiders meet: design of small cyclic sodium-channel inhibitors. FASEB J. 2019 Mar;33(3):3693-3703. doi: 10.1096/fj.201801909R. Epub 2018 Dec 3.
Ref 6 Pharmacological characterisation of the highly Na(V)1.7 selective spider venom peptide Pn3a. Sci Rep. 2017 Jan 20;7:40883. doi: 10.1038/srep40883.
Ref 7 Corrigendum: Pharmacological characterisation of the highly Na(V)1.7 selective spider venom peptide Pn3a. Sci Rep. 2017 May 26;7:46816. doi: 10.1038/srep46816.
Ref 8 Antiallodynic effects of the selective NaV1.7 inhibitor Pn3a in a mouse model of acute postsurgical pain: evidence for analgesic synergy with opioids and baclofen. Pain. 2019 Aug;160(8):1766-1780. doi: 10.1097/j.pain.0000000000001567.
Ref 9 Chemical Synthesis, Proper Folding, Na(v) Channel Selectivity Profile and Analgesic Properties of the Spider Peptide Phlotoxin 1. Toxins (Basel). 2019 Jun 21;11(6):367. doi: 10.3390/toxins11060367.
Ref 10 Spider Venom Peptide Pn3a Inhibition of Primary Afferent High Voltage-Activated Calcium Channels. Front Pharmacol. 2021 Jan 28;11:633679. doi: 10.3389/fphar.2020.633679. eCollection 2020.
Ref 11 -Theraphotoxin Pn3a inhibition of Ca(V)3.3 channels reveals a novel isoform-selective drug binding site. Elife. 2022 Jul 20;11:e74040. doi: 10.7554/eLife.74040.
Ref 12 The alchemy of culture: intoxicants in society. BMJ. 1998 Nov 28;317(7171):1532B. doi: 10.1136/bmj.317.7171.1532b.
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