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Aliases for TUBA8 Gene

Aliases for TUBA8 Gene

  • Tubulin Alpha 8 2 3 5
  • Tubulin Alpha Chain-Like 2 3 4
  • TUBAL2 3 4
  • Tubulin Alpha-8 Chain 3
  • Alpha-Tubulin 8 4
  • CDCBM8 3

External Ids for TUBA8 Gene

Previous HGNC Symbols for TUBA8 Gene

  • TUBAL2

Previous GeneCards Identifiers for TUBA8 Gene

  • GC22P015533
  • GC22P016968
  • GC22P018593
  • GC22P002405

Summaries for TUBA8 Gene

Entrez Gene Summary for TUBA8 Gene

  • This gene encodes a member of the alpha tubulin protein family. Alpha tubulins are one of two core protein families (alpha and beta tubulins) that heterodimerize and assemble to form microtubules. Mutations in this gene are associated with polymicrogyria and optic nerve hypoplasia. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Jul 2010]

GeneCards Summary for TUBA8 Gene

TUBA8 (Tubulin Alpha 8) is a Protein Coding gene. Diseases associated with TUBA8 include Cortical Dysplasia, Complex, With Other Brain Malformations 8 and Colpocephaly. Among its related pathways are Development Slit-Robo signaling and PAK Pathway. Gene Ontology (GO) annotations related to this gene include GTP binding and structural constituent of cytoskeleton. An important paralog of this gene is TUBA1B.

UniProtKB/Swiss-Prot for TUBA8 Gene

  • Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain.

Tocris Summary for TUBA8 Gene

  • Microtubules are cylindrical tubes of 20-25 nm in diameter. They are composed of protofilaments which are in turn composed of alpha- and beta-tubulin polymers. Each microtubule is polarized; at one end alpha-subunits are exposed (-) and at the other, beta-subunits are exposed (+).

Gene Wiki entry for TUBA8 Gene

Additional gene information for TUBA8 Gene

No data available for CIViC summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for TUBA8 Gene

Genomics for TUBA8 Gene

GeneHancer (GH) Regulatory Elements for TUBA8 Gene

Promoters and enhancers for TUBA8 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
GH22I018109 Promoter/Enhancer 2 EPDnew Ensembl ENCODE dbSUPER 550.8 +0.5 451 2.2 USF1 ZBTB6 SAP130 MAX EBF1 ZIC2 ZNF335 E2F1 ZFHX2 GLIS2 TUBA8 ENSG00000280007 PEX26
GH22I018075 Promoter/Enhancer 2.2 EPDnew Ensembl ENCODE dbSUPER 11.8 -32.5 -32465 4.4 ARNT ARID4B SIN3A DMAP1 YY1 POLR2B ZNF766 E2F8 ZNF143 SP3 ENSG00000225335 GC22M018075 PEX26 TUBA8 MICAL3 ENSG00000093100 USP18 BID GC22P018073
GH22I018055 Enhancer 1.6 FANTOM5 Ensembl ENCODE dbSUPER 11.1 -52.7 -52737 4.3 PKNOX1 ATF1 FOXA2 ARID4B FEZF1 IRF4 BRCA1 ZNF143 FOS ATF7 LOC105372853 MICAL3 PEX26 ENSG00000225335 ENSG00000236890 DGCR11 ENSG00000093100 TUBA8 BID GC22P018073
GH22I018060 Enhancer 1.2 Ensembl ENCODE dbSUPER 11.2 -48.2 -48220 3.8 PKNOX1 ARID4B RARA YY1 ZNF366 ATF7 ETV6 IKZF2 THAP11 EGR2 MICAL3 ENSG00000093100 TUBA8 USP18 BID LOC105372853 GC22P018073
GH22I018149 Promoter/Enhancer 1.9 EPDnew Ensembl ENCODE 6.4 +40.0 40001 2.6 ATF1 SIN3A DMAP1 ZNF48 ETS1 YY1 ATF7 SP3 RXRA SP5 USP18 TUBA8 LOC105372858
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data dump

GeneHancers around TUBA8 on UCSC Golden Path with GeneCards custom track

Top Transcription factor binding sites by QIAGEN in the TUBA8 gene promoter:

Genomic Locations for TUBA8 Gene

Genomic Locations for TUBA8 Gene
36,224 bases
Plus strand

Genomic View for TUBA8 Gene

Genes around TUBA8 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
TUBA8 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for TUBA8 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for TUBA8 Gene

Proteins for TUBA8 Gene

  • Protein details for TUBA8 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Tubulin alpha-8 chain
    Protein Accession:
    Secondary Accessions:
    • B2RCX2
    • B3KPW9
    • B4DWG3
    • Q2M3N4

    Protein attributes for TUBA8 Gene

    449 amino acids
    Molecular mass:
    50094 Da
    Quaternary structure:
    • Dimer of alpha and beta chains. A typical microtubule is a hollow water-filled tube with an outer diameter of 25 nm and an inner diameter of 15 nM. Alpha-beta heterodimers associate head-to-tail to form protofilaments running lengthwise along the microtubule wall with the beta-tubulin subunit facing the microtubule plus end conferring a structural polarity. Microtubules usually have 13 protofilaments but different protofilament numbers can be found in some organisms and specialized cells.
    • This tubulin does not have a C-terminal tyrosine.

    Alternative splice isoforms for TUBA8 Gene


neXtProt entry for TUBA8 Gene

Post-translational modifications for TUBA8 Gene

  • Some glutamate residues at the C-terminus are monoglycylated but not polyglycylated due to the absence of functional TTLL10 in human. Monoglycylation is mainly limited to tubulin incorporated into axonemes (cilia and flagella). Both polyglutamylation and monoglycylation can coexist on the same protein on adjacent residues, and lowering glycylation levels increases polyglutamylation, and reciprocally. The precise function of monoglycylation is still unclear (Probable).
  • Some glutamate residues at the C-terminus are polyglutamylated, resulting in polyglutamate chains on the gamma-carboxyl group (PubMed:26875866). Polyglutamylation plays a key role in microtubule severing by spastin (SPAST). SPAST preferentially recognizes and acts on microtubules decorated with short polyglutamate tails: severing activity by SPAST increases as the number of glutamates per tubulin rises from one to eight, but decreases beyond this glutamylation threshold (PubMed:26875866).

Other Protein References for TUBA8 Gene

No data available for DME Specific Peptides for TUBA8 Gene

Domains & Families for TUBA8 Gene

Gene Families for TUBA8 Gene

Human Protein Atlas (HPA):
  • Disease related genes
  • Predicted intracellular proteins
  • Predicted membrane proteins

Suggested Antigen Peptide Sequences for TUBA8 Gene

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the tubulin family.
  • Belongs to the tubulin family.
genes like me logo Genes that share domains with TUBA8: view

Function for TUBA8 Gene

Molecular function for TUBA8 Gene

UniProtKB/Swiss-Prot Function:
Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain.

Phenotypes From GWAS Catalog for TUBA8 Gene

Gene Ontology (GO) - Molecular Function for TUBA8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003924 GTPase activity IEA --
GO:0005200 structural constituent of cytoskeleton IEA --
GO:0005525 GTP binding IEA --
genes like me logo Genes that share ontologies with TUBA8: view
genes like me logo Genes that share phenotypes with TUBA8: view

Human Phenotype Ontology for TUBA8 Gene

HPO Id HPO Name Alternative Ids Definition Synonyms

Animal Models for TUBA8 Gene

MGI Knock Outs for TUBA8:

miRNA for TUBA8 Gene

miRTarBase miRNAs that target TUBA8

Clone Products

No data available for Enzyme Numbers (IUBMB) , Transcription Factor Targets and HOMER Transcription for TUBA8 Gene

Localization for TUBA8 Gene

Subcellular locations from UniProtKB/Swiss-Prot for TUBA8 Gene

Cytoplasm, cytoskeleton.

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 TUBA8 gene
Compartment Confidence
cytoskeleton 5
cytosol 3
nucleus 1

Subcellular locations from the

Human Protein Atlas (HPA)

Gene Ontology (GO) - Cellular Components for TUBA8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005737 cytoplasm IEA --
GO:0005856 cytoskeleton IEA --
GO:0005874 microtubule IEA --
GO:0015630 microtubule cytoskeleton IDA --
GO:0016020 membrane IEA --
genes like me logo Genes that share ontologies with TUBA8: view

Pathways & Interactions for TUBA8 Gene

genes like me logo Genes that share pathways with TUBA8: view

SIGNOR curated interactions for TUBA8 Gene

Is activated by:
Is inactivated by:

Gene Ontology (GO) - Biological Process for TUBA8 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0007010 cytoskeleton organization IEA --
GO:0007017 microtubule-based process IEA --
genes like me logo Genes that share ontologies with TUBA8: view

Drugs & Compounds for TUBA8 Gene

(6) Drugs for TUBA8 Gene - From: DrugBank, HMDB, and Tocris

Name Status Disease Links Group Role Mechanism of Action Clinical Trials
Epothilone D Experimental, Investigational Pharma Target 0
Patupilone Experimental, Investigational Pharma Target 0
Guanosine triphosphate Experimental Pharma 0
Vinblastine sulfate Pharma Anti-mitotic agent, Disrupts microtubules 0

(2) Additional Compounds for TUBA8 Gene - From:

Name Synonyms Role CAS Number PubChem IDs PubMed IDs

(5) Tocris Compounds for TUBA8 Gene

Compound Action Cas Number
MPC 6827 hydrochloride Inhibitor of microtubule polymerization; antimitotic and antitumor 917369-31-4
Nocodazole Microtubule inhibitor 31430-18-9
Noscapine hydrochloride Tubulin inhibitor; induces apoptosis 912-60-7
Taxol Promotes assembly and inhibits disassembly of microtubules 33069-62-4
Vinblastine sulfate Disrupts microtubules 143-67-9
genes like me logo Genes that share compounds with TUBA8: view

Transcripts for TUBA8 Gene

Unigene Clusters for TUBA8 Gene

Tubulin, alpha 8:
Representative Sequences:

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for TUBA8 Gene

ExUns: 1a · 1b · 1c · 1d ^ 2a · 2b ^ 3 ^ 4 ^ 5 ^ 6a · 6b · 6c
SP1: -
SP3: -

Relevant External Links for TUBA8 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for TUBA8 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for TUBA8 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for TUBA8 Gene

This gene is overexpressed in Muscle - Skeletal (x5.9), Brain - Cerebellar Hemisphere (x4.4), Testis (x4.2), and Heart - Left Ventricle (x4.2).

Protein differential expression in normal tissues from HIPED for TUBA8 Gene

This gene is overexpressed in Brain (45.8) and Peripheral blood mononuclear cells (8.2).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, MaxQB, and MOPED for TUBA8 Gene

NURSA nuclear receptor signaling pathways regulating expression of TUBA8 Gene:


SOURCE GeneReport for Unigene cluster for TUBA8 Gene:


mRNA Expression by UniProt/SwissProt for TUBA8 Gene:

Tissue specificity: Preferentially expressed in heart, skeletal muscle and testis. Expressed at low levels in the developing brain.

Evidence on tissue expression from TISSUES for TUBA8 Gene

  • Muscle(4.5)
  • Nervous system(4.5)

Phenotype-based relationships between genes and organs from Gene ORGANizer for TUBA8 Gene

Germ Layers:
  • ectoderm
  • mesoderm
  • nervous
  • skeletal muscle
  • skeleton
Head and neck:
  • brain
  • cerebellum
  • cranial nerve
  • eye
  • head
  • skull
  • peripheral nerve
  • peripheral nervous system
  • spinal cord
genes like me logo Genes that share expression patterns with TUBA8: view

No data available for Protein tissue co-expression partners for TUBA8 Gene

Orthologs for TUBA8 Gene

This gene was present in the common ancestor of eukaryotes.

Orthologs for TUBA8 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia TUBA8 33 34
  • 99.63 (n)
(Canis familiaris)
Mammalia TUBA8 33 34
  • 92.13 (n)
(Bos Taurus)
Mammalia TUBA8 33 34
  • 89.9 (n)
(Mus musculus)
Mammalia Tuba8 33 16 34
  • 89.53 (n)
(Rattus norvegicus)
Mammalia Tuba8 33
  • 89.53 (n)
(Ornithorhynchus anatinus)
Mammalia TUBA8 34
  • 87 (a)
(Monodelphis domestica)
Mammalia TUBA8 34
  • 82 (a)
(Gallus gallus)
Aves -- 34
  • 93 (a)
  • 88 (a)
  • 81.89 (n)
(Anolis carolinensis)
Reptilia -- 34
  • 95 (a)
-- 34
  • 89 (a)
-- 34
  • 89 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia tuba8 33
  • 79.04 (n)
(Danio rerio)
Actinopterygii tuba8l 33 34
  • 79.57 (n)
fruit fly
(Drosophila melanogaster)
Insecta alphaTub84B 35
  • 92 (a)
alphaTub84D 35
  • 91 (a)
alphaTub85E 35
  • 88 (a)
alphaTub67C 35
  • 67 (a)
CG7794 35
  • 53 (a)
(Caenorhabditis elegans)
Secernentea tba-1 35
  • 86 (a)
tba-2 35
  • 86 (a)
Y19D2B.1 35
  • 85 (a)
tba-9 35 34
  • 83 (a)
tba-5 35
  • 81 (a)
tba-7 35
  • 80 (a)
tba-6 35
  • 78 (a)
tba-8 35
  • 75 (a)
baker's yeast
(Saccharomyces cerevisiae)
Saccharomycetes TUB1 34
  • 73 (a)
thale cress
(Arabidopsis thaliana)
eudicotyledons TUA1 33
  • 69.04 (n)
(Oryza sativa)
Liliopsida Os03g0219300 33
  • 71.23 (n)
sea squirt
(Ciona savignyi)
Ascidiacea CSA.10185 34
  • 87 (a)
Species where no ortholog for TUBA8 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)
  • 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 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)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)

Evolution for TUBA8 Gene

Gene Tree for TUBA8 (if available)
Gene Tree for TUBA8 (if available)

Paralogs for TUBA8 Gene

Paralogs for TUBA8 Gene Pseudogenes for TUBA8 Gene

genes like me logo Genes that share paralogs with TUBA8: view

Variants for TUBA8 Gene

Sequence variations from dbSNP and Humsavar for TUBA8 Gene

SNP ID Clin Chr 22 pos Variation AA Info Type
rs140202346 uncertain-significance, Polymicrogyria with optic nerve hypoplasia, not specified 18,126,936(+) C/A/T coding_sequence_variant, missense_variant, synonymous_variant
rs142396178 uncertain-significance, not provided, not specified 18,130,879(+) G/A/T coding_sequence_variant, missense_variant
rs151102020 uncertain-significance, not provided, not specified 18,126,945(+) G/A/T coding_sequence_variant, missense_variant
rs878853254 pathogenic, Polymicrogyria with optic nerve hypoplasia 18,121,455(+) CTCGTTGCTTCCCTCTC/CTC intron_variant
rs2234338 conflicting-interpretations-of-pathogenicity, not specified 18,130,836(+) C/T intron_variant

Structural Variations from Database of Genomic Variants (DGV) for TUBA8 Gene

Variant ID Type Subtype PubMed ID
esv3575411 CNV gain 25503493
esv3647241 CNV loss 21293372
esv3893430 CNV gain 25118596
nsv1055756 CNV gain 25217958
nsv1057188 CNV gain 25217958
nsv1058565 CNV gain 25217958
nsv428385 CNV gain+loss 18775914
nsv469560 CNV gain 16826518
nsv471594 CNV gain+loss 15918152
esv2758824 CNV gain+loss 17122850

Variation tolerance for TUBA8 Gene

Residual Variation Intolerance Score: 67.5% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 2.11; 38.43% of all genes are more intolerant (likely to be disease-causing)

Additional Variant Information for TUBA8 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 TUBA8 Gene

Disorders for TUBA8 Gene

MalaCards: The human disease database

(8) MalaCards diseases for TUBA8 Gene - From: HGMD, OMIM, ClinVar, GTR, Orphanet, DISEASES, and GeneCards

- elite association - COSMIC cancer census association via MalaCards
Search TUBA8 in MalaCards View complete list of genes associated with diseases


  • Cortical dysplasia, complex, with other brain malformations 8 (CDCBM8) [MIM:613180]: A disease characterized by extensive polymicrogyria, optic nerve hypoplasia, severe developmental delay, hypotonia, seizures, a dysplastic or absent corpus callosum and colpocephaly. Polymicrogyria is a malformation of the cortex in which the brain surface is irregular and characterized by an excessive number of small gyri with abnormal lamination. Polymicrogyria is a heterogeneous disorder, considered to be the result of postmigratory abnormal cortical organization. {ECO:0000269 PubMed:19896110}. Note=The disease is caused by mutations affecting the gene represented in this entry.

Additional Disease Information for TUBA8

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 TUBA8: view

No data available for Genatlas for TUBA8 Gene

Publications for TUBA8 Gene

  1. TUBA8: A new tissue-specific isoform of alpha-tubulin that is highly conserved in human and mouse. (PMID: 10772959) Stanchi F … Valle G (Biochemical and biophysical research communications 2000) 2 3 4 22 58
  2. Mutation of the variant alpha-tubulin TUBA8 results in polymicrogyria with optic nerve hypoplasia. (PMID: 19896110) Abdollahi MR … Sheridan E (American journal of human genetics 2009) 3 4 22 58
  3. The DNA sequence of human chromosome 22. (PMID: 10591208) Dunham I … O'Brien KP (Nature 1999) 2 3 4 58
  4. 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 44 58
  5. Tuba8 is expressed at low levels in the developing mouse and human brain. (PMID: 20466094) Braun A … Keays DA (American journal of human genetics 2010) 3 4 58

Products for TUBA8 Gene

Sources for TUBA8 Gene

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