General Information of Drug Transporter (DT)
DT ID DTD0528 Transporter Info
Gene Name SCN8A
Transporter Name Voltage-gated sodium channel alpha Nav1.6
Gene ID
6334
UniProt ID
O95788
Post-Translational Modification of This DT
Overview of SCN8A Modification Sites with Functional and Structural Information
Sequence
MAARLLAPPG PDSFKPFTPE SLANIERRIA ESKLKKPPKA DGSHREDDED SKPKPNSDLE 
AGKSLPFIYG DIPQGLVAVP LEDFDPYYLT QKTFVVLNRG KTLFRFSATP ALYILSPFNL 
IRRIAIKILI HSVFSMIIMC TILTNCVFMT FSNPPDWSKN VEYTFTGIYT FESLVKIIAR 
GFCIDGFTFL RDPWNWLDFS VIMMAYITEF VNLGNVSALR TFRVLRALKT ISVIPGLKTI 
VGALIQSVKK LSDVMILTVF CLSVFALIGL QLFMGNLRNK CVVWPINFNE SYLENGTKGF 
DWEEYINNKT NFYTVPGMLE PLLCGNSSDA GQCPEGYQCM KAGRNPNYGY TSFDTFSWAF 
LALFRLMTQD YWENLYQLTL RAAGKTYMIF FVLVIFVGSF YLVNLILAVV AMAYEEQNQA 
TLEEAEQKEA EFKAMLEQLK KQQEEAQAAA MATSAGTVSE DAIEEEGEEG GGSPRSSSEI 
SKLSSKSAKE RRNRRKKRKQ KELSEGEEKG DPEKVFKSES EDGMRRKAFR LPDNRIGRKF 
SIMNQSLLSI PGSPFLSRHN SKSSIFSFRG PGRFRDPGSE NEFADDEHST VEESEGRRDS 
LFIPIRARER RSSYSGYSGY SQGSRSSRIF PSLRRSVKRN STVDCNGVVS LIGGPGSHIG 
GRLLPEATTE VEIKKKGPGS LLVSMDQLAS YGRKDRINSI MSVVTNTLVE ELEESQRKCP 
PCWYKFANTF LIWECHPYWI KLKEIVNLIV MDPFVDLAIT ICIVLNTLFM AMEHHPMTPQ 
FEHVLAVGNL VFTGIFTAEM FLKLIAMDPY YYFQEGWNIF DGFIVSLSLM ELSLADVEGL 
SVLRSFRLLR VFKLAKSWPT LNMLIKIIGN SVGALGNLTL VLAIIVFIFA VVGMQLFGKS 
YKECVCKINQ DCELPRWHMH DFFHSFLIVF RVLCGEWIET MWDCMEVAGQ AMCLIVFMMV 
MVIGNLVVLN LFLALLLSSF SADNLAATDD DGEMNNLQIS VIRIKKGVAW TKLKVHAFMQ 
AHFKQREADE VKPLDELYEK KANCIANHTG ADIHRNGDFQ KNGNGTTSGI GSSVEKYIID 
EDHMSFINNP NLTVRVPIAV GESDFENLNT EDVSSESDPE GSKDKLDDTS SSEGSTIDIK 
PEVEEVPVEQ PEEYLDPDAC FTEGCVQRFK CCQVNIEEGL GKSWWILRKT CFLIVEHNWF 
ETFIIFMILL SSGALAFEDI YIEQRKTIRT ILEYADKVFT YIFILEMLLK WTAYGFVKFF 
TNAWCWLDFL IVAVSLVSLI ANALGYSELG AIKSLRTLRA LRPLRALSRF EGMRVVVNAL 
VGAIPSIMNV LLVCLIFWLI FSIMGVNLFA GKYHYCFNET SEIRFEIEDV NNKTECEKLM 
EGNNTEIRWK NVKINFDNVG AGYLALLQVA TFKGWMDIMY AAVDSRKPDE QPKYEDNIYM 
YIYFVIFIIF GSFFTLNLFI GVIIDNFNQQ KKKFGGQDIF MTEEQKKYYN AMKKLGSKKP 
QKPIPRPLNK IQGIVFDFVT QQAFDIVIMM LICLNMVTMM VETDTQSKQM ENILYWINLV 
FVIFFTCECV LKMFALRHYY FTIGWNIFDF VVVILSIVGM FLADIIEKYF VSPTLFRVIR 
LARIGRILRL IKGAKGIRTL LFALMMSLPA LFNIGLLLFL VMFIFSIFGM SNFAYVKHEA 
GIDDMFNFET FGNSMICLFQ ITTSAGWDGL LLPILNRPPD CSLDKEHPGS GFKGDCGNPS 
VGIFFFVSYI IISFLIVVNM YIAIILENFS VATEESADPL SEDDFETFYE IWEKFDPDAT 
QFIEYCKLAD FADALEHPLR VPKPNTIELI AMDLPMVSGD RIHCLDILFA FTKRVLGDSG 
ELDILRQQME ERFVASNPSK VSYEPITTTL RRKQEEVSAV VLQRAYRGHL ARRGFICKKT 
TSNKLENGGT HREKKESTPS TASLPSYDSV TKPEKEKQQR AEEGRRERAK RQKEVRESKC 
PTM type
X-Acetylation X-N-glycosylation X-Phosphorylation X-Ubiquitination X: Amino Acid

Acetylation

  Lysine

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SCN8A [1]

Role of PTM

Potential impacts

Modified Residue

Lysine

Modified Location

1487

Experimental Method

Co-Immunoprecipitation

Detailed Description

Acetylation at SCN8A Lysine 1487 has the potential to affect its expression or activity.

N-glycosylation

  Asparagine

          8 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

215

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 215 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

289

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 289 has the potential to affect its expression or activity.

  PTM Phenomenon 3

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

295

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 295 has the potential to affect its expression or activity.

  PTM Phenomenon 4

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

308

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 308 has the potential to affect its expression or activity.

  PTM Phenomenon 5

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

326

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 326 has the potential to affect its expression or activity.

  PTM Phenomenon 6

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

1358

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 1358 has the potential to affect its expression or activity.

  PTM Phenomenon 7

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

1372

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 1372 has the potential to affect its expression or activity.

  PTM Phenomenon 8

Have the potential to influence SCN8A [2]

Role of PTM

Potential impacts

Modified Residue

Asparagine

Modified Location

1383

Experimental Method

Co-Immunoprecipitation

Detailed Description

N-linked Glycosylation at SCN8A Asparagine 1383 has the potential to affect its expression or activity.

Phosphorylation

  Serine

        26 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Enables further NaV1.6 ubiquitination and internalisation of the channel [3]

Role of PTM

Crosstalk with Other PTMs

Modified Residue

Serine

Modified Location

553

Related Enzyme

Mitogen-activated protein kinase 1 (MAPK1)
E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)

Experimental Material(s)

Human embryonic kidney 293 (HEK293) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

Cross-regulation between Phosphorylation and Ubiquitination at SCN8A Serine 553 have been reported to enable internalisation of the channel.

  PTM Phenomenon 2

Slowing the inactivation of sodium channels and reducing peak sodium currents [4]

Role of PTM

Protein Activity Modulation

Modified Residue

Serine

Modified Location

1497

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1497 have been reported to slow the inactivation of sodium channels and reducing peak sodium currents.

  PTM Phenomenon 3

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

57

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 57 has the potential to affect its expression or activity.

  PTM Phenomenon 4

Have the potential to influence SCN8A [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

478

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 478 has the potential to affect its expression or activity.

  PTM Phenomenon 5

Have the potential to influence SCN8A [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

481

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 481 has the potential to affect its expression or activity.

  PTM Phenomenon 6

Have the potential to influence SCN8A [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

484

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 484 has the potential to affect its expression or activity.

  PTM Phenomenon 7

Have the potential to influence SCN8A [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

485

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 485 has the potential to affect its expression or activity.

  PTM Phenomenon 8

Have the potential to influence SCN8A [6]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

487

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 487 has the potential to affect its expression or activity.

  PTM Phenomenon 9

Have the potential to influence SCN8A [7] , [8]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

567

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 567 has the potential to affect its expression or activity.

  PTM Phenomenon 10

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

612

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 612 has the potential to affect its expression or activity.

  PTM Phenomenon 11

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

613

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 613 has the potential to affect its expression or activity.

  PTM Phenomenon 12

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

615

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 615 has the potential to affect its expression or activity.

  PTM Phenomenon 13

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

618

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 618 has the potential to affect its expression or activity.

  PTM Phenomenon 14

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

621

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 621 has the potential to affect its expression or activity.

  PTM Phenomenon 15

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

624

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 624 has the potential to affect its expression or activity.

  PTM Phenomenon 16

Have the potential to influence SCN8A [11] , [12]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

690

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 690 has the potential to affect its expression or activity.

  PTM Phenomenon 17

Have the potential to influence SCN8A [7]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

841

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 841 has the potential to affect its expression or activity.

  PTM Phenomenon 18

Have the potential to influence SCN8A [7]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1000

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1000 has the potential to affect its expression or activity.

  PTM Phenomenon 19

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1068

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1068 has the potential to affect its expression or activity.

  PTM Phenomenon 20

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1072

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1072 has the potential to affect its expression or activity.

  PTM Phenomenon 21

Have the potential to influence SCN8A [11]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1612

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1612 has the potential to affect its expression or activity.

  PTM Phenomenon 22

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1937

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1937 has the potential to affect its expression or activity.

  PTM Phenomenon 23

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1940

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1940 has the potential to affect its expression or activity.

  PTM Phenomenon 24

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1943

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1943 has the potential to affect its expression or activity.

  PTM Phenomenon 25

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1946

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1946 has the potential to affect its expression or activity.

  PTM Phenomenon 26

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Serine

Modified Location

1949

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Serine 1949 has the potential to affect its expression or activity.

  Threonine

          6 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

90

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 90 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

1067

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 1067 has the potential to affect its expression or activity.

  PTM Phenomenon 3

Have the potential to influence SCN8A [11]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

1614

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 1614 has the potential to affect its expression or activity.

  PTM Phenomenon 4

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

1938

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 1938 has the potential to affect its expression or activity.

  PTM Phenomenon 5

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

1941

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 1941 has the potential to affect its expression or activity.

  PTM Phenomenon 6

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Threonine

Modified Location

1951

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Threonine 1951 has the potential to affect its expression or activity.

  Tyrosine

          7 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Have the potential to influence SCN8A [5]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

87

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 87 has the potential to affect its expression or activity.

  PTM Phenomenon 2

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

614

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 614 has the potential to affect its expression or activity.

  PTM Phenomenon 3

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

617

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 617 has the potential to affect its expression or activity.

  PTM Phenomenon 4

Have the potential to influence SCN8A [9] , [10]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

620

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 620 has the potential to affect its expression or activity.

  PTM Phenomenon 5

Have the potential to influence SCN8A [14] , [15]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

1488

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 1488 has the potential to affect its expression or activity.

  PTM Phenomenon 6

Have the potential to influence SCN8A [14] , [16]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

1489

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 1489 has the potential to affect its expression or activity.

  PTM Phenomenon 7

Have the potential to influence SCN8A [13]

Role of PTM

Potential impacts

Modified Residue

Tyrosine

Modified Location

1947

Experimental Method

Co-Immunoprecipitation

Detailed Description

Phosphorylation at SCN8A Tyrosine 1947 has the potential to affect its expression or activity.

Ubiquitination

  Unclear Residue

          1 PTM Phenomena Related to This Residue Click to Show/Hide the Full List

  PTM Phenomenon 1

Enables further NaV1.6 ubiquitination and internalisation of the channel [3]

Role of PTM

Crosstalk with Other PTMs

Related Enzyme

E3 ubiquitin-protein ligase NEDD4-like (NEDD4L)

Experimental Material(s)

Human embryonic kidney 293 (HEK293) cells

Experimental Method

Co-Immunoprecipitation

Detailed Description

Cross-regulation between Phosphorylation and Ubiquitination at SCN8A Serine 553 have been reported to enable internalisation of the channel.
References
1 Prevalence of nonmedical use and routes of administration for prescription stimulant medications among adults in a substance abuse treatment population. J Addict Dis. 2018 Jan-Jun;37(1-2):34-45.
2 dbPTM in 2022: an updated database for exploring regulatory networks and functional associations of protein post-translational modifications. Nucleic Acids Res. 2022 Jan 7;50(D1):D471-D479. (ID: SCN8A_HUMAN)
3 Two Nedd4-binding motifs underlie modulation of sodium channel Nav1.6 by p38 MAPK. J Biol Chem. 2010 Aug 20;285(34):26149-61.
4 UniProt: the Universal Protein Knowledgebase in 2023. Nucleic Acids Res. 2023 Jan 6;51(D1):D523-D531. (ID: O95788)
5 iTRAQ labeling is superior to mTRAQ for quantitative global proteomics and phosphoproteomics. Mol Cell Proteomics. 2012 Jun;11(6):M111.014423.
6 A Methodological Assessment and Characterization of Genetically-Driven Variation in Three Human Phosphoproteomes. Sci Rep. 2018 Aug 14;8(1):12106.
7 Ischemia in tumors induces early and sustained phosphorylation changes in stress kinase pathways but does not affect global protein levels. Mol Cell Proteomics. 2014 Jul;13(7):1690-704.
8 Characterization of the Phosphoproteome in SLE Patients. PLoS One. 2012;7(12):e53129.
9 Citric acid-assisted two-step enrichment with TiO2 enhances the separation of multi- and monophosphorylated peptides and increases phosphoprotein profiling. J Proteome Res. 2013 Jun 7;12(6):2467-76.
10 Characterization of native protein complexes and protein isoform variation using size-fractionation-based quantitative proteomics. Mol Cell Proteomics. 2013 Dec;12(12):3851-73.
11 Proteogenomic integration reveals therapeutic targets in breast cancer xenografts. Nat Commun. 2017 Mar 28;8:14864.
12 Proteogenomics connects somatic mutations to signalling in breast cancer. Nature. 2016 Jun 2;534(7605):55-62.
13 In situ sample processing approach (iSPA) for comprehensive quantitative phosphoproteome analysis. J Proteome Res. 2014 Sep 5;13(9):3896-904.
14 Systematic functional prioritization of protein posttranslational modifications. Cell. 2012 Jul 20;150(2):413-25.
15 Phosphoproteomics Analysis Identifies Novel Candidate Substrates of the Nonreceptor Tyrosine Kinase, S rc- r elated Kinase Lacking C-terminal Regulatory Tyrosine and N-terminal M yristoylation S ites (SRMS). Mol Cell Proteomics. 2018 May;17(5):925-947.
16 Modulation of the cardiac sodium channel NaV1.5 by Fyn, a Src family tyrosine kinase. Circ Res. 2005 May 13;96(9):991-8.

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