Gene description for TTBK2
Gene name tau tubulin kinase 2
Gene symbol TTBK2
Other names/aliases SCA11
TTBK
Species Homo sapiens
 Database cross references - TTBK2
ExoCarta ExoCarta_146057
Vesiclepedia VP_146057
Entrez Gene 146057
HGNC 19141
MIM 611695
UniProt Q6IQ55  
 TTBK2 identified in sEVs derived from the following tissue/cell type
Squamous carcinoma cells 20124223    
 Gene ontology annotations for TTBK2
Molecular Function
    protein kinase activity GO:0004672 IDA
    protein serine/threonine kinase activity GO:0004674 IBA
    protein serine/threonine kinase activity GO:0004674 IDA
    protein serine/threonine kinase activity GO:0004674 NAS
    3-phosphoinositide-dependent protein kinase activity GO:0004676 IEA
    DNA-dependent protein kinase activity GO:0004677 IEA
    AMP-activated protein kinase activity GO:0004679 IEA
    eukaryotic translation initiation factor 2alpha kinase activity GO:0004694 IEA
    ribosomal protein S6 kinase activity GO:0004711 IEA
    protein binding GO:0005515 IPI
    ATP binding GO:0005524 IEA
    kinesin binding GO:0019894 IPI
    histone H3S10 kinase activity GO:0035175 IEA
    histone H3T11 kinase activity GO:0035402 IEA
    histone H3T6 kinase activity GO:0035403 IEA
    histone H2AXS139 kinase activity GO:0035979 IEA
    histone H3S28 kinase activity GO:0044022 IEA
    histone H4S1 kinase activity GO:0044023 IEA
    histone H2AS1 kinase activity GO:0044024 IEA
    histone H2BS14 kinase activity GO:0044025 IEA
    tau protein binding GO:0048156 NAS
    tau-protein kinase activity GO:0050321 NAS
    tau-protein kinase activity GO:0050321 TAS
    microtubule plus-end binding GO:0051010 TAS
    histone H3T3 kinase activity GO:0072354 IEA
    histone H2AS121 kinase activity GO:0072371 IEA
    Rho-dependent protein serine/threonine kinase activity GO:0072518 IEA
    protein serine kinase activity GO:0106310 IEA
    histone H2BS36 kinase activity GO:0140823 IEA
    histone H3S57 kinase activity GO:0140855 IEA
    histone H3T45 kinase activity GO:0140857 IEA
    histone H2AT120 kinase activity GO:1990244 IEA
Biological Process
    microtubule cytoskeleton organization GO:0000226 IGI
    chromatin remodeling GO:0006338 IEA
    negative regulation of microtubule depolymerization GO:0007026 IDA
    signal transduction GO:0007165 IBA
    smoothened signaling pathway GO:0007224 ISS
    peptidyl-serine phosphorylation GO:0018105 IDA
    cerebellum development GO:0021549 ISS
    cerebellar granular layer development GO:0021681 ISS
    cerebellar granule cell precursor tangential migration GO:0021935 ISS
    regulation of cell migration GO:0030334 IGI
    cilium assembly GO:0060271 IBA
    cilium assembly GO:0060271 IMP
    cilium assembly GO:0060271 ISS
    negative regulation of protein localization to microtubule GO:1902817 IMP
    negative regulation of microtubule binding GO:1904527 IDA
Subcellular Localization
    extracellular space GO:0005615 HDA
    nucleus GO:0005634 IBA
    nucleus GO:0005634 IDA
    cytoplasm GO:0005737 IBA
    centriole GO:0005814 IDA
    cytosol GO:0005829 IDA
    cytosol GO:0005829 TAS
    ciliary transition zone GO:0035869 IBA
    ciliary transition zone GO:0035869 IDA
    ciliary transition zone GO:0035869 ISS
    ciliary basal body GO:0036064 IBA
    ciliary basal body GO:0036064 ISS
 Experiment description of studies that identified TTBK2 in sEVs
1
Experiment ID 191
MISEV standards
Biophysical techniques
Alix|CD81|CD9
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 20124223    
Organism Homo sapiens
Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes.
Authors "Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK."
Journal name Mol Cell Proteomics
Publication year 2010
Sample Squamous carcinoma cells
Sample name Squamous carcinoma cell (A431)
Isolation/purification methods Differential centrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
 Protein-protein interactions for TTBK2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 COPS5 10987
Affinity Capture-MS Homo sapiens
2 MAPRE1 22919
Proximity Label-MS Homo sapiens
Affinity Capture-MS Homo sapiens
3 FTL 2512
Affinity Capture-MS Homo sapiens
4 FKBP15 23307
Affinity Capture-MS Homo sapiens
5 ZWINT  
Affinity Capture-MS Homo sapiens
6 MAPRE3  
Proximity Label-MS Homo sapiens
7 CEP164  
Two-hybrid Homo sapiens
Affinity Capture-Western Homo sapiens
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
8 GNG2 54331
Affinity Capture-MS Homo sapiens
9 TTBK1  
Affinity Capture-MS Homo sapiens
Affinity Capture-MS Homo sapiens
10 PTEN 5728
Affinity Capture-MS Homo sapiens
11 KLHL12  
Two-hybrid Homo sapiens
Two-hybrid Homo sapiens
12 CSNK2A1 1457
Affinity Capture-MS Homo sapiens
13 Esco1  
Affinity Capture-MS Mus musculus
14 MCM2 4171
Affinity Capture-MS Homo sapiens
15 NR3C1 2908
Proximity Label-MS Homo sapiens
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