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Aliases for SLC6A8 Gene

Aliases for SLC6A8 Gene

  • Solute Carrier Family 6 Member 8 2 3 4 5
  • Solute Carrier Family 6 (Neurotransmitter Transporter, Creatine), Member 8 2 3
  • Solute Carrier Family 6 (Neurotransmitter Transporter), Member 8 2 3
  • Creatine Transporter 1 3 4
  • CT1 3 4
  • Sodium- And Chloride-Dependent Creatine Transporter 1 3
  • Creatine Transporter SLC6A8 Variant D 3
  • Creatine Transporter 2
  • CCDS1 3
  • CRTR 3
  • CTR5 3
  • CRT 3

External Ids for SLC6A8 Gene

Previous GeneCards Identifiers for SLC6A8 Gene

  • GC0XP147090
  • GC0XP149408
  • GC0XP150539
  • GC0XP151421
  • GC0XP152301
  • GC0XP152433
  • GC0XP152606
  • GC0XP152953
  • GC0XP141612

Summaries for SLC6A8 Gene

Entrez Gene Summary for SLC6A8 Gene

  • The protein encoded by this gene is a plasma membrane protein whose function is to transport creatine into and out of cells. Defects in this gene can result in X-linked creatine deficiency syndrome. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2008]

GeneCards Summary for SLC6A8 Gene

SLC6A8 (Solute Carrier Family 6 Member 8) is a Protein Coding gene. Diseases associated with SLC6A8 include Cerebral Creatine Deficiency Syndrome 1 and Cerebral Creatine Deficiency Syndrome. Among its related pathways are CDK-mediated phosphorylation and removal of Cdc6 and Viral mRNA Translation. Gene Ontology (GO) annotations related to this gene include neurotransmitter:sodium symporter activity and creatine:sodium symporter activity. An important paralog of this gene is ENSG00000273554.

UniProtKB/Swiss-Prot for SLC6A8 Gene

  • Required for the uptake of creatine in muscles and brain.

Gene Wiki entry for SLC6A8 Gene

Additional gene information for SLC6A8 Gene

No data available for CIViC summary , Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for SLC6A8 Gene

Genomics for SLC6A8 Gene

GeneHancer (GH) Regulatory Elements for SLC6A8 Gene

Promoters and enhancers for SLC6A8 Gene
GeneHancer (GH) Identifier GH Type GH
GH Sources Gene Association Score Total Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor
Binding Sites
Gene Targets
GH0XI153683 Promoter/Enhancer 2.1 EPDnew Ensembl ENCODE 558.4 -1.2 -1184 6.5 HDGF ATF1 ZNF2 TCF12 GLIS2 CBX5 ATF7 ZNF263 SP3 REST SLC6A8 PNCK ABCD1 LOC102723591 PDZD4 RN7SL687P
GH0XI153721 Promoter/Enhancer 2 EPDnew Ensembl ENCODE 9.4 +37.5 37494 7.2 PKNOX1 FOXA2 ARID4B SIN3A DMAP1 IRF4 POLR2B KLF13 SP3 SP5 BCAP31 ABCD1 PNCK SLC6A8 KRT18P48 PDZD4 PLXNB3
GH0XI153702 Enhancer 0.8 FANTOM5 ENCODE 9.5 +17.0 16966 4.6 CTCF KLF1 ZBTB48 HLF KLF17 ZBTB33 SRPK3 PNCK SLC6A8 IKBKG AVPR2 BCAP31
GH0XI153383 Enhancer 0.7 FANTOM5 1.5 -304.7 -304693 0.3 ZNF493 ZNF140 ZNF266 ZNF155 ZNF791 ZNF157 ADNP ZNF621 ZNF645 ZNF488 HCFC1 EMD LOC105373383 TMEM187 MECP2 PNMA6B SLC6A8 ZNF275 PNMA6E GC0XP153357
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data dump

GeneHancers around SLC6A8 on UCSC Golden Path with GeneCards custom track

Top Transcription factor binding sites by QIAGEN in the SLC6A8 gene promoter:

Genomic Locations for SLC6A8 Gene

Genomic Locations for SLC6A8 Gene
8,495 bases
Plus strand

Genomic View for SLC6A8 Gene

Genes around SLC6A8 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
SLC6A8 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for SLC6A8 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for SLC6A8 Gene

Proteins for SLC6A8 Gene

  • Protein details for SLC6A8 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Sodium- and chloride-dependent creatine transporter 1
    Protein Accession:
    Secondary Accessions:
    • B2KY47
    • B4DIA3
    • E9PFC0
    • Q13032
    • Q66I36

    Protein attributes for SLC6A8 Gene

    635 amino acids
    Molecular mass:
    70523 Da
    Quaternary structure:
    No Data Available

    Alternative splice isoforms for SLC6A8 Gene


neXtProt entry for SLC6A8 Gene

Post-translational modifications for SLC6A8 Gene

  • Glycosylation at posLast=192192, isoforms=4197, and isoforms=2, 3, 4548
  • Modification sites at PhosphoSitePlus

Other Protein References for SLC6A8 Gene

No data available for DME Specific Peptides for SLC6A8 Gene

Domains & Families for SLC6A8 Gene

Gene Families for SLC6A8 Gene

Human Protein Atlas (HPA):
  • Disease related genes
  • FDA approved drug targets
  • Plasma proteins
  • Predicted intracellular proteins
  • Predicted membrane proteins
  • Transporters

Protein Domains for SLC6A8 Gene

Suggested Antigen Peptide Sequences for SLC6A8 Gene

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the sodium:neurotransmitter symporter (SNF) (TC 2.A.22) family. SLC6A8 subfamily.
  • Belongs to the sodium:neurotransmitter symporter (SNF) (TC 2.A.22) family. SLC6A8 subfamily.
genes like me logo Genes that share domains with SLC6A8: view

Function for SLC6A8 Gene

Molecular function for SLC6A8 Gene

GENATLAS Biochemistry:
solute carrier family 6,member A8,neurotransmitter transporter,creatine
UniProtKB/Swiss-Prot Function:
Required for the uptake of creatine in muscles and brain.

Gene Ontology (GO) - Molecular Function for SLC6A8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003674 molecular_function ND --
GO:0005308 creatine transmembrane transporter activity NAS 8661037
GO:0005309 creatine:sodium symporter activity TAS --
GO:0005328 neurotransmitter:sodium symporter activity IEA --
GO:0015293 symporter activity IEA --
genes like me logo Genes that share ontologies with SLC6A8: view
genes like me logo Genes that share phenotypes with SLC6A8: view

Human Phenotype Ontology for SLC6A8 Gene

HPO Id HPO Name Alternative Ids Definition Synonyms

Animal Models for SLC6A8 Gene

MGI Knock Outs for SLC6A8:

Animal Model Products

miRNA for SLC6A8 Gene

miRTarBase miRNAs that target SLC6A8

Clone Products

No data available for Enzyme Numbers (IUBMB) , Phenotypes From GWAS Catalog , Transcription Factor Targets and HOMER Transcription for SLC6A8 Gene

Localization for SLC6A8 Gene

Subcellular locations from UniProtKB/Swiss-Prot for SLC6A8 Gene

Membrane; Multi-pass membrane protein.

Subcellular locations from

Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
COMPARTMENTS Subcellular localization image for SLC6A8 gene
Compartment Confidence
plasma membrane 5
nucleus 2
peroxisome 1
cytosol 1

Gene Ontology (GO) - Cellular Components for SLC6A8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005886 plasma membrane TAS --
GO:0005887 integral component of plasma membrane IBA --
GO:0016020 membrane IEA --
GO:0016021 integral component of membrane IEA,TAS 7953292
genes like me logo Genes that share ontologies with SLC6A8: view

No data available for Subcellular locations from the Human Protein Atlas (HPA) for SLC6A8 Gene

Pathways & Interactions for SLC6A8 Gene

genes like me logo Genes that share pathways with SLC6A8: view

Pathways by source for SLC6A8 Gene

1 BioSystems pathway for SLC6A8 Gene

Gene Ontology (GO) - Biological Process for SLC6A8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006600 creatine metabolic process TAS --
GO:0006810 transport IEA,TAS 7953292
GO:0006811 ion transport IEA --
GO:0006814 sodium ion transport IEA --
GO:0006836 neurotransmitter transport IEA --
genes like me logo Genes that share ontologies with SLC6A8: view

No data available for SIGNOR curated interactions for SLC6A8 Gene

Drugs & Compounds for SLC6A8 Gene

(3) Drugs for SLC6A8 Gene - From: DrugBank, HMDB, and Novoseek

Name Status Disease Links Group Role Mechanism of Action Clinical Trials
Creatine Approved, Investigational Nutra Target 139

(2) Additional Compounds for SLC6A8 Gene - From: HMDB and Novoseek

Name Synonyms Role CAS Number PubChem IDs PubMed IDs
  • Sodium
  • Sodium ion
genes like me logo Genes that share compounds with SLC6A8: view

Transcripts for SLC6A8 Gene

Unigene Clusters for SLC6A8 Gene

Solute carrier family 6 (neurotransmitter transporter, creatine), member 8:
Representative Sequences:

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for SLC6A8 Gene

No ASD Table

Relevant External Links for SLC6A8 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for SLC6A8 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for SLC6A8 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

Protein differential expression in normal tissues from HIPED for SLC6A8 Gene

This gene is overexpressed in Urine (69.0).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, MaxQB, and MOPED for SLC6A8 Gene

Protein tissue co-expression partners for SLC6A8 Gene

NURSA nuclear receptor signaling pathways regulating expression of SLC6A8 Gene:


SOURCE GeneReport for Unigene cluster for SLC6A8 Gene:


mRNA Expression by UniProt/SwissProt for SLC6A8 Gene:

Tissue specificity: Predominantly expressed in skeletal muscle and kidney. Also found in brain, heart, colon, testis and prostate.

Evidence on tissue expression from TISSUES for SLC6A8 Gene

  • Nervous system(4.9)
  • Eye(4.6)
  • Kidney(4.5)
  • Skin(3.6)
  • Intestine(3.1)
  • Muscle(2.9)
  • Blood(2.7)
  • Lung(2.4)
  • Heart(2.2)

Phenotype-based relationships between genes and organs from Gene ORGANizer for SLC6A8 Gene

Germ Layers:
  • ectoderm
  • endoderm
  • mesoderm
  • digestive
  • integumentary
  • nervous
  • skeletal muscle
  • skeleton
Head and neck:
  • brain
  • cerebellum
  • cheek
  • chin
  • cranial nerve
  • ear
  • eye
  • eyelid
  • face
  • forehead
  • head
  • jaw
  • lip
  • mandible
  • maxilla
  • mouth
  • nose
  • outer ear
  • skull
  • tooth
  • esophagus
  • intestine
  • large intestine
  • small intestine
  • stomach
  • rectum
  • ankle
  • arm
  • digit
  • elbow
  • finger
  • foot
  • hand
  • hip
  • knee
  • lower limb
  • shoulder
  • toe
  • upper limb
  • wrist
  • peripheral nerve
  • peripheral nervous system
  • skin
  • spinal cord
genes like me logo Genes that share expression patterns with SLC6A8: view

No data available for mRNA differential expression in normal tissues for SLC6A8 Gene

Orthologs for SLC6A8 Gene

This gene was present in the common ancestor of animals.

Orthologs for SLC6A8 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia SLC6A8 33
  • 98.69 (n)
(Bos Taurus)
Mammalia SLC6A8 33 34
  • 92.32 (n)
(Rattus norvegicus)
Mammalia Slc6a8 33
  • 92.13 (n)
(Mus musculus)
Mammalia Slc6a8 33 16 34
  • 91.97 (n)
(Canis familiaris)
Mammalia SLC6A8 33 34
  • 91.93 (n)
(Monodelphis domestica)
Mammalia SLC6A8 34
  • 90 (a)
(Gallus gallus)
Aves SLC6A8 34
  • 72 (a)
(Anolis carolinensis)
Reptilia SLC6A8 34
  • 85 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia LOC100489909 33
  • 73.46 (n)
(Danio rerio)
Actinopterygii slc6a8 33 34
  • 73.1 (n)
Dr.16770 33
fruit fly
(Drosophila melanogaster)
Insecta CG1732 35 34
  • 51 (a)
CG5549 35
  • 42 (a)
ine 35
  • 41 (a)
CG3252 35
  • 38 (a)
CG10804 35
  • 37 (a)
BG:DS03431.1 35
  • 35 (a)
CG1698 35
  • 35 (a)
CG8850 35
  • 35 (a)
(Caenorhabditis elegans)
Secernentea snf-11 35 34
  • 47 (a)
snf-3 35
  • 42 (a)
snf-4 35
  • 35 (a)
snf-9 35
  • 32 (a)
snf-2 35
  • 30 (a)
snf-6 35
  • 30 (a)
snf-8 35
  • 24 (a)
sea squirt
(Ciona savignyi)
Ascidiacea CSA.4107 34
  • 54 (a)
-- 34
  • 50 (a)
-- 34
  • 48 (a)
-- 34
  • 46 (a)
CSA.1853 34
  • 43 (a)
Species where no ortholog for SLC6A8 was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • platypus (Ornithorhynchus anatinus)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)

Evolution for SLC6A8 Gene

Gene Tree for SLC6A8 (if available)
Gene Tree for SLC6A8 (if available)

Paralogs for SLC6A8 Gene

Variants for SLC6A8 Gene

Sequence variations from dbSNP and Humsavar for SLC6A8 Gene

SNP ID Clin Chr 0X pos Variation AA Info Type
rs1060502808 pathogenic, Creatine deficiency, X-linked 153,693,322(+) CACA/CA coding_sequence_variant, frameshift
rs1060502811 uncertain-significance, Creatine deficiency, X-linked 153,695,096(+) C/T coding_sequence_variant, missense_variant
rs1060504719 likely-benign, Creatine deficiency, X-linked 153,688,616(+) C/T coding_sequence_variant, genic_upstream_transcript_variant, synonymous_variant, upstream_transcript_variant
rs122453113 pathogenic, Creatine deficiency, X-linked 153,694,577(+) C/T coding_sequence_variant, stop_gained
rs122453114 pathogenic, Creatine deficiency, X-linked, Cerebral creatine deficiency syndrome 1 (CCDS1) [MIM:300352] 153,693,586(+) G/C coding_sequence_variant, missense_variant

Structural Variations from Database of Genomic Variants (DGV) for SLC6A8 Gene

Variant ID Type Subtype PubMed ID
esv1003299 CNV gain 20482838
esv21656 CNV gain+loss 19812545
esv33199 CNV gain+loss 17666407
nsv1075343 CNV deletion 25765185
nsv1122272 CNV deletion 24896259

Variation tolerance for SLC6A8 Gene

Residual Variation Intolerance Score: 50.1% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 0.58; 12.43% of all genes are more intolerant (likely to be disease-causing)

Additional Variant Information for SLC6A8 Gene

Human Gene Mutation Database (HGMD)
SNPedia medical, phenotypic, and genealogical associations of SNPs for

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for SLC6A8 Gene

Disorders for SLC6A8 Gene

MalaCards: The human disease database

(10) MalaCards diseases for SLC6A8 Gene - From: HGMD, OMIM, ClinVar, GTR, Orphanet, Swiss-Prot, DISEASES, and GeneCards

- elite association - COSMIC cancer census association via MalaCards


  • Cerebral creatine deficiency syndrome 1 (CCDS1) [MIM:300352]: An X-linked disorder of creatine transport characterized by mental retardation, severe speech delay, behavioral abnormalities, and seizures. Carrier females may show mild neuropsychologic impairment. {ECO:0000269 PubMed:11898126, ECO:0000269 PubMed:12210795, ECO:0000269 PubMed:15154114, ECO:0000269 PubMed:17101918, ECO:0000269 PubMed:17465020, ECO:0000269 PubMed:23033978, ECO:0000269 PubMed:23660394, ECO:0000269 PubMed:24123876, ECO:0000269 PubMed:25861866}. Note=The disease is caused by mutations affecting the gene represented in this entry.

Additional Disease Information for SLC6A8

Genetic Association Database
Human Genome Epidemiology Navigator
ATLAS of Genetics and Cytogenetics in Oncology and Haematology
genes like me logo Genes that share disorders with SLC6A8: view

No data available for Genatlas for SLC6A8 Gene

Publications for SLC6A8 Gene

  1. Identification, characterization and cloning of SLC6A8C, a novel splice variant of the creatine transporter gene. (PMID: 18515020) Martínez-Muñoz C … Salomons GS (Gene 2008) 3 4 22 58
  2. X-linked creatine transporter (SLC6A8) mutations in about 1% of males with mental retardation of unknown etiology. (PMID: 16738945) Clark AJ … Salomons GS (Human genetics 2006) 3 22 44 58
  3. X-linked mental retardation with seizures and carrier manifestations is caused by a mutation in the creatine-transporter gene (SLC6A8) located in Xq28. (PMID: 11898126) Hahn KA … Schwartz CE (American journal of human genetics 2002) 3 4 22 58
  4. Estimated carrier frequency of creatine transporter deficiency in females in the general population using functional characterization of novel missense variants in the SLC6A8 gene. (PMID: 25861866) DesRoches CL … Mercimek-Mahmutoglu S (Gene 2015) 3 4 58
  5. Mental retardation and verbal dyspraxia in a new patient with de novo creatine transporter (SLC6A8) mutation. (PMID: 17603797) Battini R … Cioni G (American journal of medical genetics. Part A 2007) 3 22 58

Products for SLC6A8 Gene

Sources for SLC6A8 Gene

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