Seroatlas · Human Serome Atlas

SLIT1

Slit homolog 1 protein

Also known as: MEGF4, SLIL1, Slit-1, SLIT1_HUMAN, SLIT3

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

Protein identityUniProt · HPA

UniProt accession
O75093
Gene
SLIT1
Ensembl
ENSG00000187122
Chromosome
10
Canonical length
1534 aa
Protein class
Predicted secreted proteins
Subcellular location
Plasma membrane
Secretome location
Secreted in brain

OverviewNCBI Gene

Enables Roundabout binding activity. Involved in axon extension involved in axon guidance; motor neuron axon guidance; and negative chemotaxis. Predicted to be located in extracellular region. Predicted to be active in extracellular space. [provided by Alliance of Genome Resources, Jul 2025]

Canonical amino-acid sequenceUniProt

1534 residues, UniProt reviewed canonical sequence.

>O75093|SLIT1
     1  MALTPGWGSS AGPVRPELWL LLWAAAWRLG ASACPALCTC TGTTVDCHGT GLQAIPKNIP
    61  RNTERLELNG NNITRIHKND FAGLKQLRVL QLMENQIGAV ERGAFDDMKE LERLRLNRNQ
   121  LHMLPELLFQ NNQALSRLDL SENAIQAIPR KAFRGATDLK NLQLDKNQIS CIEEGAFRAL
   181  RGLEVLTLNN NNITTIPVSS FNHMPKLRTF RLHSNHLFCD CHLAWLSQWL RQRPTIGLFT
   241  QCSGPASLRG LNVAEVQKSE FSCSGQGEAG RVPTCTLSSG SCPAMCTCSN GIVDCRGKGL
   301  TAIPANLPET MTEIRLELNG IKSIPPGAFS PYRKLRRIDL SNNQIAEIAP DAFQGLRSLN
   361  SLVLYGNKIT DLPRGVFGGL YTLQLLLLNA NKINCIRPDA FQDLQNLSLL SLYDNKIQSL
   421  AKGTFTSLRA IQTLHLAQNP FICDCNLKWL ADFLRTNPIE TSGARCASPR RLANKRIGQI
   481  KSKKFRCSAK EQYFIPGTED YQLNSECNSD VVCPHKCRCE ANVVECSSLK LTKIPERIPQ
   541  STAELRLNNN EISILEATGM FKKLTHLKKI NLSNNKVSEI EDGAFEGAAS VSELHLTANQ
   601  LESIRSGMFR GLDGLRTLML RNNRISCIHN DSFTGLRNVR LLSLYDNQIT TVSPGAFDTL
   661  QSLSTLNLLA NPFNCNCQLA WLGGWLRKRK IVTGNPRCQN PDFLRQIPLQ DVAFPDFRCE
   721  EGQEEGGCLP RPQCPQECAC LDTVVRCSNK HLRALPKGIP KNVTELYLDG NQFTLVPGQL
   781  STFKYLQLVD LSNNKISSLS NSSFTNMSQL TTLILSYNAL QCIPPLAFQG LRSLRLLSLH
   841  GNDISTLQEG IFADVTSLSH LAIGANPLYC DCHLRWLSSW VKTGYKEPGI ARCAGPQDME
   901  GKLLLTTPAK KFECQGPPTL AVQAKCDLCL SSPCQNQGTC HNDPLEVYRC ACPSGYKGRD
   961  CEVSLDSCSS GPCENGGTCH AQEGEDAPFT CSCPTGFEGP TCGVNTDDCV DHACANGGVC
  1021  VDGVGNYTCQ CPLQYEGKAC EQLVDLCSPD LNPCQHEAQC VGTPDGPRCE CMPGYAGDNC
  1081  SENQDDCRDH RCQNGAQCMD EVNSYSCLCA EGYSGQLCEI PPHLPAPKSP CEGTECQNGA
  1141  NCVDQGNRPV CQCLPGFGGP ECEKLLSVNF VDRDTYLQFT DLQNWPRANI TLQVSTAEDN
  1201  GILLYNGDND HIAVELYQGH VRVSYDPGSY PSSAIYSAET INDGQFHTVE LVAFDQMVNL
  1261  SIDGGSPMTM DNFGKHYTLN SEAPLYVGGM PVDVNSAAFR LWQILNGTGF HGCIRNLYIN
  1321  NELQDFTKTQ MKPGVVPGCE PCRKLYCLHG ICQPNATPGP MCHCEAGWVG LHCDQPADGP
  1381  CHGHKCVHGQ CVPLDALSYS CQCQDGYSGA LCNQAGALAE PCRGLQCLHG HCQASGTKGA
  1441  HCVCDPGFSG ELCEQESECR GDPVRDFHQV QRGYAICQTT RPLSWVECRG SCPGQGCCQG
  1501  LRLKRRKFTF ECSDGTSFAE EVEKPTKCGC ALCA

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against SLIT1 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
Secreted
Secreted
Yes
Transmembrane segments
0
Mean surface accessibility (rSASA)
0.31
Highest tissue expression
33 nTPM

Expression across tissuesHPA

Tissue

  • cerebral cortex: 33 nTPM
  • basal ganglia: 23 nTPM
  • hippocampal formation: 20 nTPM
  • amygdala: 20 nTPM
  • hypothalamus: 15 nTPM
  • pituitary gland: 13 nTPM

Single-cell type

  • somatotrophs: 501 nCPM
  • thyrotrophs: 318 nCPM
  • brain excitatory neurons: 134 nCPM
  • early spermatids: 105 nCPM
  • late spermatids: 75 nCPM
  • other brain neurons: 67 nCPM

Immune cell

  • myeloid DC: 0.2 nTPM
  • plasmacytoid DC: 0.2 nTPM
  • intermediate monocyte: 0.1 nTPM
  • basophil: 0 nTPM
  • classical monocyte: 0 nTPM
  • eosinophil: 0 nTPM

Brain region

  • cerebral cortex: 110 nTPM
  • basal ganglia: 103 nTPM
  • hippocampal formation: 100 nTPM
  • hypothalamus: 70 nTPM
  • amygdala: 64 nTPM
  • white matter: 60 nTPM

DiseaseUniProt · ClinVar · IEDB · PubMed

Four sources answering four different questions about SLIT1.

Disease | GeneticClinVar

1 pathogenic / likely-pathogenic of 212 ClinVar records.

Conditions with pathogenic or likely-pathogenic variants.

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)
0.22
gnomAD pLI
1
gnomAD missense Z
3.09
DepMap mean gene effect
0.06
DepMap dependency class
none

Cancer expressionTCGA

Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% 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 SLIT1 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 SLIT1 as an antibody target. Whether an autoantibody or antibody against SLIT1 could matter depends on whether native SLIT1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

SLIT1 is annotated as secreted, so native SLIT1 circulates and is directly accessible to antibodies. Secreted and cell-surface proteins are the autoantibody targets most likely to act like drugs, blocking or depleting the native protein.

Annotation status

The present source text does not explicitly label SLIT1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/SLIT1. 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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