Seroatlas · Human Serome Atlas

NAV2

Neuron navigator 2

Also known as: FLJ10633, FLJ11030, FLJ23707, HELAD1, KIAA1419, NAV2_HUMAN, POMFIL2, RAINB1

Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene

Protein identityUniProt · HPA

UniProt accession
Q8IVL1
Gene
NAV2
Ensembl
ENSG00000166833
Chromosome
11
Canonical length
2488 aa
Protein class
Enzymes, Predicted intracellular proteins
Subcellular location
Nucleoplasm

OverviewNCBI Gene

This gene encodes a member of the neuron navigator gene family, which may play a role in cellular growth and migration. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2011]

Canonical amino-acid sequenceUniProt

2488 residues, UniProt reviewed canonical sequence.

>Q8IVL1|NAV2
     1  MPAILVASKM KSGLPKPVHS AAPILHVPPA RAGPQPCYLK LGSKVEVSKT TYPSQIPLKS
    61  QVLQGLQEPA GEGLPLRKSG SVENGFDTQI YTDWANHYLA KSGHKRLIRD LQQDVTDGVL
   121  LAQIIQVVAN EKIEDINGCP KNRSQMIENI DACLNFLAAK GINIQGLSAE EIRNGNLKAI
   181  LGLFFSLSRY KQQQQQPQKQ HLSSPLPPAV SQVAGAPSQC QAGTPQQQVP VTPQAPCQPH
   241  QPAPHQQSKA QAEMQSSASS KDSSQSKIIR FTLGQKKISR LPGPTARVSA AGSEAKTRGG
   301  STTANNRRSQ SFNNYDKSKP VTSPPPPPSS HEKEPLASSA SSHPGMSDNA PASLESGSSS
   361  TPTNCSTSSA IPQPGAATKP WRSKSLSVKH SATVSMLSVK PPGPEAPRPT PEAMKPAPNN
   421  QKSMLEKLKL FNSKGGSKAG EGPGSRDTSC ERLETLPSFE ESEELEAASR MLTTVGPASS
   481  SPKIALKGIA QRTFSRALTN KKSSLKGNEK EKEKQQREKD KEKSKDLAKR ASVTERLDLK
   541  EEPKEDPSGA AVPEMPKKSS KIASFIPKGG KLNSAKKEPM APSHSGIPKP GMKSMPGKSP
   601  SAPAPSKEGE RSRSGKLSSG LPQQKPQLDG RHSSSSSSLA SSEGKGPGGT TLNHSISSQT
   661  VSGSVGTTQT TGSNTVSVQL PQPQQQYNHP NTATVAPFLY RSQTDTEGNV TAESSSTGVS
   721  VEPSHFTKTG QPALEELTGE DPEARRLRTV KNIADLRQNL EETMSSLRGT QVTHSTLETT
   781  FDTNVTTEMS GRSILSLTGR PTPLSWRLGQ SSPRLQAGDA PSMGNGYPPR ANASRFINTE
   841  SGRYVYSAPL RRQLASRGSS VCHVDVSDKA GDEMDLEGIS MDAPGYMSDG DVLSKNIRTD
   901  DITSGYMTDG GLGLYTRRLN RLPDGMAVVR ETLQRNTSLG LGDADSWDDS SSVSSGISDT
   961  IDNLSTDDIN TSSSISSYAN TPASSRKNLD VQTDAEKHSQ VERNSLWSGD DVKKSDGGSD
  1021  SGIKMEPGSK WRRNPSDVSD ESDKSTSGKK NPVISQTGSW RRGMTAQVGI TMPRTKPSAP
  1081  AGALKTPGTG KTDDAKVSEK GRLSPKASQV KRSPSDAGRS SGDESKKPLP SSSRTPTANA
  1141  NSFGFKKQSG SAAGLAMITA SGVTVTSRSA TLGKIPKSSA LVSRSAGRKS SMDGAQNQDD
  1201  GYLALSSRTN LQYRSLPRPS KSNSRNGAGN RSSTSSIDSN ISSKSAGLPV PKLREPSKTA
  1261  LGSSLPGLVN QTDKEKGISS DNESVASCNS VKVNPAAQPV SSPAQTSLQP GAKYPDVASP
  1321  TLRRLFGGKP TKQVPIATAE NMKNSVVISN PHATMTQQGN LDSPSGSGVL SSGSSSPLYS
  1381  KNVDLNQSPL ASSPSSAHSA PSNSLTWGTN ASSSSAVSKD GLGFQSVSSL HTSCESIDIS
  1441  LSSGGVPSHN SSTGLIASSK DDSLTPFVRT NSVKTTLSES PLSSPAASPK FCRSTLPRKQ
  1501  DSDPHLDRNT LPKKGLRYTP TSQLRTQEDA KEWLRSHSAG GLQDTAANSP FSSGSSVTSP
  1561  SGTRFNFSQL ASPTTVTQMS LSNPTMLRTH SLSNADGQYD PYTDSRFRNS SMSLDEKSRT
  1621  MSRSGSFRDG FEEESWEKSS VDNFVSRLHS SLHFSLPLFH HARYELVHGS SLSLVSSTSS
  1681  VYSTPEEKCQ SEIRKLRREL DASQEKVSAL TTQLTANAHL VAAFEQSLGN MTIRLQSLTM
  1741  TAEQKDSELN ELRKTIELLK KQNAAAQAAI NGVINTPELN CKGNGTAQSA DLRIRRQHSS
  1801  DSVSSINSAT SHSSVGSNIE SDSKKKKRKN WVNELRSSFK QAFGKKKSPK SASSHSDIEE
  1861  MTDSSLPSSP KLPHNGSTGS TPLLRNSHSN SLISECMDSE AETVMQLRNE LRDKEMKLTD
  1921  IRLEALSSAH QLDQLREAMN RMQSEIEKLK AENDRLKSES QGSGCSRAPS QVSISASPRQ
  1981  SMGLSQHSLN LTESTSLDML LDDTGECSAR KEGGRHVKIV VSFQEEMKWK EDSRPHLFLI
  2041  GCIGVSGKTK WDVLDGVVRR LFKEYIIHVD PVSQLGLNSD SVLGYSIGEI KRSNTSETPE
  2101  LLPCGYLVGE NTTISVTVKG LAENSLDSLV FESLIPKPIL QRYVSLLIEH RRIILSGPSG
  2161  TGKTYLANRL SEYIVLREGR ELTDGVIATF NVDHKSSKEL RQYLSNLADQ CNSENNAVDM
  2221  PLVIILDNLH HVSSLGEIFN GLLNCKYHKC PYIIGTMNQA TSSTPNLQLH HNFRWVLCAN
  2281  HTEPVKGFLG RFLRRKLMET EISGRVRNME LVKIIDWIPK VWHHLNRFLE AHSSSDVTIG
  2341  PRLFLSCPID VDGSRVWFTD LWNYSIIPYL LEAVREGLQL YGRRAPWEDP AKWVMDTYPW
  2401  AASPQQHEWP PLLQLRPEDV GFDGYSMPRE GSTSKQMPPS DAEGDPLMNM LMRLQEAANY
  2461  SSPQSYDSDS NSNSHHDDIL DSSLESTL

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against NAV2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.

Antibody reachability
Intracellular
Secreted
No
Transmembrane segments
0
Mean surface accessibility (rSASA)
0.53
Highest tissue expression
57 nTPM

Expression across tissuesHPA

Tissue

  • heart muscle: 57 nTPM
  • blood vessel: 33 nTPM
  • thyroid gland: 16 nTPM
  • colon: 15 nTPM
  • salivary gland: 14 nTPM
  • liver: 14 nTPM

Single-cell type

  • oligodendrocyte progenitor cells: 1,037 nCPM
  • ependymal cells: 1,005 nCPM
  • astrocytes: 951 nCPM
  • myosatellite cells: 856 nCPM
  • bergmann glia: 838 nCPM
  • endometrial glandular cells: 776 nCPM

Immune cell

  • basophil: 0.6 nTPM
  • plasmacytoid DC: 0.2 nTPM
  • classical monocyte: 0 nTPM
  • eosinophil: 0 nTPM
  • gdT-cell: 0 nTPM
  • intermediate monocyte: 0 nTPM

Brain region

  • medulla oblongata: 160 nTPM
  • midbrain: 134 nTPM
  • spinal cord: 124 nTPM
  • white matter: 112 nTPM
  • thalamus: 98 nTPM
  • pons: 98 nTPM

Genetic constraint and essentialitygnomAD · DepMap

Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.

gnomAD LOEUF (loss-of-function intolerance)
0.25
gnomAD pLI
1
gnomAD missense Z
1.39
DepMap mean gene effect
-0.04
DepMap dependency class
selective

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).

OntologyGO

Biological processes

Molecular functions

Cellular components

Protein domainsUniProt · Pfam · InterPro

KeywordsUniProt

InteractionsUniProt · HPA

Protein binding partners of NAV2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads NAV2 as an antibody target. Whether an autoantibody or antibody against NAV2 could matter depends on whether native NAV2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

NAV2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.

Annotation status

The present source text does not explicitly label NAV2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/NAV2. Study-independent annotations aggregated from UniProt, Human Protein Atlas, PubMed, IEDB, Pfam, InterPro, Gene Ontology, AlphaFold, gnomAD, DepMap, ClinVar, TCGA. Catalog release seroatlas-reviewed-human-uniprot-20260313.

Seroatlas is the reference for exploring autoantibody and antibody serology at the human-protein level: the autoreactome and human serome, multiplex serology (HuProt, HuScan, VirScan, PhIP-Seq).

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