Aliases for TRAK2 Gene

Aliases for TRAK2 Gene

  • Trafficking Kinesin Protein 2 2 3 5
  • Amyotrophic Lateral Sclerosis 2 Chromosomal Region Candidate Gene 3 Protein 3 4
  • Amyotrophic Lateral Sclerosis 2 (Juvenile) Chromosome Region, Candidate 3 2 3
  • O-Linked N-Acetylglucosamine Transferase Interacting Protein 98 2 3
  • Gamma-Aminobutyric Acid(A) Receptor-Interacting Factor 2 3
  • Trafficking Protein, Kinesin Binding 2 2 3
  • Trafficking Kinesin-Binding Protein 2 3 4
  • ALS2CR3 3 4
  • Milton Homolog 2 (Drosophila) 2
  • Milton Homolog 2 3
  • KIAA0549 4
  • CALS-C 3
  • GRIF-1 3
  • GRIF1 3
  • MILT2 3
  • OIP98 3

External Ids for TRAK2 Gene

Previous HGNC Symbols for TRAK2 Gene

  • ALS2CR3

Previous GeneCards Identifiers for TRAK2 Gene

  • GC02M202068
  • GC02M201950
  • GC02M202241
  • GC02M194090

Summaries for TRAK2 Gene

GeneCards Summary for TRAK2 Gene

TRAK2 (Trafficking Kinesin Protein 2) is a Protein Coding gene. Diseases associated with TRAK2 include Juvenile Amyotrophic Lateral Sclerosis and Charcot-Marie-Tooth Disease. Among its related pathways are Metabolism and GABAergic synapse. Gene Ontology (GO) annotations related to this gene include signaling receptor binding and GABA receptor binding. An important paralog of this gene is TRAK1.

UniProtKB/Swiss-Prot Summary for TRAK2 Gene

  • May regulate endosome-to-lysosome trafficking of membrane cargo, including EGFR.

Gene Wiki entry for TRAK2 Gene

Additional gene information for TRAK2 Gene

No data available for Entrez Gene Summary , CIViC Summary , Tocris Summary , PharmGKB "VIP" Summary , Rfam classification and piRNA Summary for TRAK2 Gene

Genomics for TRAK2 Gene

GeneHancer (GH) Regulatory Elements for TRAK2 Gene

Promoters and enhancers for TRAK2 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
GH02J201450 Promoter/Enhancer 2.1 EPDnew Ensembl ENCODE CraniofacialAtlas 500.7 -0.4 -449 3.7 EP300 FOXK2 ZBTB40 ZNF217 SIN3A TCF12 POLR2G SP1 NCOR1 PHF8 STRADB HSALNG0021558 TRAK2 lnc-C2CD6-2 CASP8 ORC2 CLK1 NOP58 ENSG00000213090 TMEM237
GH02J201419 Enhancer 1 Ensembl ENCODE 12 +29.1 29096 9.4 ZBTB40 ZNF639 REST ZEB1 CTCF ZNF585B ZNF316 NFIC ZBTB17 MAFF ENSG00000202008 CASP8 PPIL3 TRAK2 STRADB C2CD6 ENO1P4 TMEM237 RNU6-651P MTATP6P16
GH02J201404 Enhancer 0.9 ENCODE 11.5 +45.9 45898 2.7 EP300 NCOR1 GTF2E2 AFF1 MYC TEAD1 OSR2 WT1 CEBPB NFIC CASP8 PPIL3 TRAK2 FLACC1 TMEM237 RNU6-651P ENSG00000213090 STRADB
GH02J201269 Enhancer 0.8 Ensembl dbSUPER 11 +180.5 180495 3.4 NONO FOXA1 TSC22D4 SP1 ZNF282 NFIC E4F1 ZNF8 TAL1 HDGF CASP8 STRADB FLACC1 TRAK2 C2CD6 ENO1P4 TMEM237 CASP10 RNU6-651P NONHSAG030244.2
GH02J201280 Enhancer 0.6 Ensembl dbSUPER 10.4 +171.2 171195 0.8 CEBPG SPI1 CEBPB IKZF1 ZNF512 PRDM1 CASP8 STRADB FLACC1 TRAK2 piR-48300-061 NONHSAG030244.2
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data from 2017 publication | Request up-to-date GeneHancer data (full dataset)

GeneHancers around TRAK2 on UCSC Golden Path with GeneCards custom track

Cistromic (ChIP-Seq) regulation report from SPP (The Signaling Pathways Project) for TRAK2

Top Transcription factor binding sites by QIAGEN in the TRAK2 gene promoter:
  • Bach2
  • CUTL1
  • ITF-2
  • Lhx3a
  • LHX3b
  • LyF-1
  • POU2F1
  • POU2F1a
  • RSRFC4
  • Tal-1beta

Genomic Locations for TRAK2 Gene

Genomic Locations for TRAK2 Gene
74,390 bases
Minus strand
74,390 bases
Minus strand

Genomic View for TRAK2 Gene

Genes around TRAK2 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
TRAK2 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for TRAK2 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for TRAK2 Gene

Proteins for TRAK2 Gene

  • Protein details for TRAK2 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Trafficking kinesin-binding protein 2
    Protein Accession:
    Secondary Accessions:
    • E7EV21
    • Q8WVH7
    • Q96NS2
    • Q9C0K5
    • Q9C0K6

    Protein attributes for TRAK2 Gene

    914 amino acids
    Molecular mass:
    101419 Da
    Quaternary structure:
    • Interacts with GABA-A receptor and O-GlcNAc transferase. Interacts with HGS (By similarity). Interacts with RHOT1/Miro-1 and RHOT2/Miro-2.

    Alternative splice isoforms for TRAK2 Gene


neXtProt entry for TRAK2 Gene

Post-translational modifications for TRAK2 Gene

Other Protein References for TRAK2 Gene

No data available for DME Specific Peptides for TRAK2 Gene

Domains & Families for TRAK2 Gene

Gene Families for TRAK2 Gene

Human Protein Atlas (HPA):
  • Predicted intracellular proteins

Protein Domains for TRAK2 Gene

  • HAP1, N-terminal

Suggested Antigen Peptide Sequences for TRAK2 Gene

GenScript: Design optimal peptide antigens:
  • Trafficking protein, kinesin binding 2 (Q8IU62_HUMAN)
  • Amyotrophic lateral sclerosis 2 chromosomal region candidate gene 3 protein (TRAK2_HUMAN)

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the milton family.
  • Belongs to the milton family.
genes like me logo Genes that share domains with TRAK2: view

Function for TRAK2 Gene

Molecular function for TRAK2 Gene

UniProtKB/Swiss-Prot Function:
May regulate endosome-to-lysosome trafficking of membrane cargo, including EGFR.

Phenotypes From GWAS Catalog for TRAK2 Gene

Gene Ontology (GO) - Molecular Function for TRAK2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005102 signaling receptor binding ISS 12034717
GO:0005515 protein binding IPI 15644324
GO:0017022 myosin binding IBA 21873635
GO:0019894 kinesin binding IEA --
GO:0019899 enzyme binding IEA --
genes like me logo Genes that share ontologies with TRAK2: view
genes like me logo Genes that share phenotypes with TRAK2: view

Animal Model Products

CRISPR Products

Clone Products

No data available for Enzyme Numbers (IUBMB) , Human Phenotype Ontology , Animal Models , Transcription Factor Targets and HOMER Transcription for TRAK2 Gene

Localization for TRAK2 Gene

Subcellular locations from UniProtKB/Swiss-Prot for TRAK2 Gene

Cytoplasm. Early endosome. Mitochondrion. Note=Colocalizes with MGARP at the mitochondria. Translocates from the cytoplasm to the mitochondria in a MGARP-dependent manner (By similarity). {ECO:0000250}.

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 TRAK2 gene
Compartment Confidence
plasma membrane 4
mitochondrion 4
nucleus 3
endosome 3
cytosol 3
cytoskeleton 2
extracellular 1
peroxisome 1
endoplasmic reticulum 1
lysosome 1

Subcellular locations from the

Human Protein Atlas (HPA)
  • Nuclear bodies (2)
  • Nucleoplasm (2)
  • Vesicles (2)
See all subcellular structures

Gene Ontology (GO) - Cellular Components for TRAK2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005623 cell IEA --
GO:0005634 nucleus IEA --
GO:0005737 cytoplasm ISS,IBA 12034717
GO:0005739 mitochondrion IBA,ISS --
GO:0005768 endosome IEA --
genes like me logo Genes that share ontologies with TRAK2: view

Pathways & Interactions for TRAK2 Gene

PathCards logo

SuperPathways for TRAK2 Gene

SuperPathway Contained pathways
1 GABAergic synapse
2 Metabolism
genes like me logo Genes that share pathways with TRAK2: view

Pathways by source for TRAK2 Gene

2 KEGG pathways for TRAK2 Gene

Gene Ontology (GO) - Biological Process for TRAK2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006357 regulation of transcription by RNA polymerase II IEA --
GO:0006493 protein O-linked glycosylation IEA --
GO:0006605 protein targeting IBA 21873635
GO:0008089 anterograde axonal transport IBA 21873635
GO:0008104 protein localization IBA 21873635
genes like me logo Genes that share ontologies with TRAK2: view

No data available for SIGNOR curated interactions for TRAK2 Gene

Drugs & Compounds for TRAK2 Gene

(1) Drugs for TRAK2 Gene - From: Novoseek

Name Status Disease Links Group Role Mechanism of Action Clinical Trials

(1) Additional Compounds for TRAK2 Gene - From: Novoseek

Name Synonyms Role CAS Number PubChem IDs PubMed IDs
genes like me logo Genes that share compounds with TRAK2: view

Transcripts for TRAK2 Gene

mRNA/cDNA for TRAK2 Gene

13 NCBI additional mRNA sequence :
5 Ensembl transcripts including schematic representations, and UCSC links to gene/alias where relevant :

CRISPR Products

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for TRAK2 Gene

ExUns: 1a · 1b · 1c · 1d · 1e ^ 2 ^ 3 ^ 4 ^ 5a · 5b · 5c · 5d ^ 6 ^ 7a · 7b · 7c ^ 8a · 8b ^ 9 ^ 10a · 10b ^ 11 ^ 12 ^ 13 ^ 14 ^ 15 ^
SP1: - - - - - -
SP2: - - - - -
SP3: - -
SP4: - - - - - -
SP5: -
SP6: - -

ExUns: 16 ^ 17 ^ 18

Relevant External Links for TRAK2 Gene

GeneLoc Exon Structure for

Expression for TRAK2 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and SAGE for TRAK2 Gene

mRNA differential expression in normal tissues according to GTEx for TRAK2 Gene

This gene is overexpressed in Brain - Spinal cord (cervical c-1) (x8.9).

Protein differential expression in normal tissues from HIPED for TRAK2 Gene

This gene is overexpressed in Neutrophil (32.5), Plasma (12.3), Blymphocyte (10.3), and Monocytes (8.9).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, MaxQB, and MOPED for TRAK2 Gene

Protein tissue co-expression partners for TRAK2 Gene

Transcriptomic regulation report from SPP (The Signaling Pathways Project) for TRAK2

SOURCE GeneReport for Unigene cluster for TRAK2 Gene:


mRNA Expression by UniProt/SwissProt for TRAK2 Gene:

Tissue specificity: Widely expressed, with highest expression in heart.

Evidence on tissue expression from TISSUES for TRAK2 Gene

  • Nervous system(4.9)
  • Skin(4.5)
  • Liver(4.3)
  • Lung(2.5)
genes like me logo Genes that share expression patterns with TRAK2: view

No data available for mRNA expression in embryonic tissues and stem cells from LifeMap Discovery and Phenotype-based relationships between genes and organs from Gene ORGANizer for TRAK2 Gene

Orthologs for TRAK2 Gene

This gene was present in the common ancestor of animals.

Orthologs for TRAK2 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia TRAK2 31 30
  • 99.31 (n)
(Canis familiaris)
Mammalia TRAK2 31 30
  • 91.23 (n)
(Bos Taurus)
Mammalia TRAK2 31 30
  • 89.77 (n)
(Ornithorhynchus anatinus)
Mammalia -- 31
  • 86 (a)
-- 31
  • 60 (a)
(Mus musculus)
Mammalia Trak2 17 31 30
  • 85.45 (n)
(Rattus norvegicus)
Mammalia Trak2 30
  • 84.98 (n)
(Monodelphis domestica)
Mammalia TRAK2 31
  • 82 (a)
(Gallus gallus)
Aves TRAK2 31 30
  • 73.27 (n)
(Anolis carolinensis)
Reptilia TRAK2 31
  • 69 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia trak2 30
  • 63.21 (n)
(Danio rerio)
Actinopterygii trak2 31 30
  • 59.47 (n)
wufj21g01 30
fruit fly
(Drosophila melanogaster)
Insecta milt 31
  • 16 (a)
(Caenorhabditis elegans)
Secernentea T27A3.1 31
  • 21 (a)
Species where no ortholog for TRAK2 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)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea squirt (Ciona intestinalis)
  • sea squirt (Ciona savignyi)
  • 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 TRAK2 Gene

Gene Tree for TRAK2 (if available)
Gene Tree for TRAK2 (if available)
Evolutionary constrained regions (ECRs) for TRAK2: view image

Paralogs for TRAK2 Gene

Paralogs for TRAK2 Gene

(3) SIMAP similar genes for TRAK2 Gene using alignment to 2 proteins:

  • Q8IU62_HUMAN Pseudogenes for TRAK2 Gene

genes like me logo Genes that share paralogs with TRAK2: view

Variants for TRAK2 Gene

Sequence variations, with clinical significance, from ClinVar and Humsavar, with links to dbSNP for TRAK2 Gene

SNP ID Clinical significance and condition Chr 02 pos Variation AA Info Type
767841 Benign: not provided 201,387,893(-) G/A SYNONYMOUS_VARIANT
778016 Benign: not provided 201,389,335(-) G/A SYNONYMOUS_VARIANT
779409 Benign: not provided 201,389,798(-) T/C INTRON_VARIANT
rs13022344 - p.Val142Ile
rs2244438 - p.Thr528Ile

Additional dbSNP identifiers (rs#s) for TRAK2 Gene

Structural Variations from Database of Genomic Variants (DGV) for TRAK2 Gene

Variant ID Type Subtype PubMed ID
esv1007085 CNV insertion 20482838
esv28629 CNV loss 19812545
esv3303509 CNV mobile element insertion 20981092
esv3308284 CNV mobile element insertion 20981092
esv3357080 CNV insertion 20981092
esv3380819 CNV insertion 20981092
esv3575325 CNV gain 25503493
esv3593979 CNV loss 21293372
nsv961548 CNV duplication 23825009

Variation tolerance for TRAK2 Gene

Residual Variation Intolerance Score: 23.3% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 6.94; 79.79% of all genes are more intolerant (likely to be disease-causing)

Additional Variant Information for TRAK2 Gene

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

SNP Genotyping and Copy Number Assay Products

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for TRAK2 Gene

Disorders for TRAK2 Gene

MalaCards: The human disease database

(2) MalaCards diseases for TRAK2 Gene - From: DISEASES and GeneCards

Disorder Aliases PubMed IDs
juvenile amyotrophic lateral sclerosis
  • amyotrophic lateral sclerosis, juvenile
charcot-marie-tooth disease
  • peroneal muscular atrophy
- elite association - COSMIC cancer census association via MalaCards
Search TRAK2 in MalaCards View complete list of genes associated with diseases

Additional Disease Information for TRAK2

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 TRAK2: view

No data available for UniProtKB/Swiss-Prot and Genatlas for TRAK2 Gene

Publications for TRAK2 Gene

  1. The atypical Rho GTPases Miro-1 and Miro-2 have essential roles in mitochondrial trafficking. (PMID: 16630562) Fransson S … Aspenström P (Biochemical and biophysical research communications 2006) 3 4 23 54
  2. Cloning and characterization of three novel genes, ALS2CR1, ALS2CR2, and ALS2CR3, in the juvenile amyotrophic lateral sclerosis (ALS2) critical region at chromosome 2q33-q34: candidate genes for ALS2. (PMID: 11161814) Hadano S … Hayden MR (Genomics 2001) 2 3 4 54
  3. Variation at the NFATC2 locus increases the risk of thiazolidinedione-induced edema in the Diabetes REduction Assessment with ramipril and rosiglitazone Medication (DREAM) study. (PMID: 20628086) Bailey SD … DREAM investigators (Diabetes care 2010) 3 41 54
  4. Human Miltons associate with mitochondria and induce microtubule-dependent remodeling of mitochondrial networks. (PMID: 20230862) Koutsopoulos OS … Ryan MT (Biochimica et biophysica acta 2010) 2 3 54
  5. Identification of gamma-aminobutyric acid receptor-interacting factor 1 (TRAK2) as a trafficking factor for the K+ channel Kir2.1. (PMID: 16895905) Grishin A … Zaks-Makhina E (The Journal of biological chemistry 2006) 3 23 54

Products for TRAK2 Gene

Sources for TRAK2 Gene