Gene description for OBSCN
Gene name obscurin, cytoskeletal calmodulin and titin-interacting RhoGEF
Gene symbol OBSCN
Other names/aliases ARHGEF30
UNC89
Species Homo sapiens
 Database cross references - OBSCN
ExoCarta ExoCarta_84033
Vesiclepedia VP_84033
Entrez Gene 84033
HGNC 15719
MIM 608616
UniProt Q5VST9  
 OBSCN identified in exosomes derived from the following tissue/cell type
Neuroblastoma cells 25944692    
 Gene ontology annotations for OBSCN
Molecular Function
    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
    guanyl-nucleotide exchange factor activity GO:0005085 TAS
    protein binding GO:0005515 IPI
    calmodulin binding GO:0005516 IEA
    ATP binding GO:0005524 IEA
    phosphatidylinositol-4,5-bisphosphate binding GO:0005546 IDA
    phosphatidylinositol-3,4,5-trisphosphate binding GO:0005547 IDA
    structural constituent of muscle GO:0008307 NAS
    phosphatidylinositol-5-phosphate binding GO:0010314 IDA
    ankyrin binding GO:0030506 IPI
    titin binding GO:0031432 IPI
    phosphatidylinositol-3-phosphate binding GO:0032266 IDA
    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
    phosphatidylinositol-3,4-bisphosphate binding GO:0043325 IDA
    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
    metal ion binding GO:0046872 IEA
    phosphatidylinositol-4-phosphate binding GO:0070273 IDA
    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
    chromatin remodeling GO:0006338 IEA
    protein localization to M-band GO:0036309 ISS
    sarcomere organization GO:0045214 TAS
    regulation of small GTPase mediated signal transduction GO:0051056 TAS
Subcellular Localization
    cytosol GO:0005829 IDA
    cytosol GO:0005829 TAS
    plasma membrane GO:0005886 IDA
    nuclear body GO:0016604 IDA
    myofibril GO:0030016 NAS
    Z disc GO:0030018 ISS
    M band GO:0031430 ISS
    sarcolemma GO:0042383 IEA
 Experiment description of studies that identified OBSCN in exosomes
1
Experiment ID 224
MISEV standards
EM|AFM
Biophysical techniques
Alix|TSG101|CD63|CD81
Enriched markers
GOLGA2
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25944692    
Organism Homo sapiens
Experiment description Proteogenomic analysis reveals exosomes are more oncogenic than ectosomes
Authors "Keerthikumar S, Gangoda L, Liem M, Fonseka P, Atukorala I, Ozcitti C, Mechler A, Adda CG, Ang CS, Mathivanan S"
Journal name Oncotarget
Publication year 2015
Sample Neuroblastoma cells
Sample name SH-SY5Y
Isolation/purification methods Differential centrifugation
Ultracentrifugation
OptiPrep density gradient
Flotation density 1.10 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
 Protein-protein interactions for OBSCN
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 TUBA4A 7277
Affinity Capture-MS Homo sapiens
2 HNRNPH1 3187
Affinity Capture-RNA Homo sapiens
3 HEATR6  
Affinity Capture-MS Homo sapiens
4 CDCA5  
Affinity Capture-MS Homo sapiens
5 HNRNPD 3184
Affinity Capture-MS Homo sapiens
6 Vps28 66914
Affinity Capture-MS Mus musculus
7 KIAA1107  
Affinity Capture-MS Homo sapiens
8 PCNA 5111
Affinity Capture-MS Homo sapiens
9 ATP1A3 478
Affinity Capture-MS Homo sapiens
10 RPA1 6117
Affinity Capture-MS Homo sapiens
11 Chmp4b 75608
Affinity Capture-MS Mus musculus
12 BRCA1 672
Two-hybrid Homo sapiens
13 C10orf12  
Affinity Capture-MS Homo sapiens
14 ANK1 286
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
Affinity Capture-Western Homo sapiens
15 NPPA  
Affinity Capture-MS Homo sapiens
16 GGT7 2686
Affinity Capture-MS Homo sapiens
17 SURF1  
Affinity Capture-MS Homo sapiens
18 TUBA1A 7846
Affinity Capture-MS Homo sapiens
19 NXF1 10482
Affinity Capture-RNA Homo sapiens
20 HSF2  
Affinity Capture-MS Homo sapiens
21 Smc3 13006
Affinity Capture-MS Mus musculus
22 ACOT13  
Co-fractionation Homo sapiens
23 Actr1b 226977
Affinity Capture-MS Mus musculus
24 MOV10 4343
Affinity Capture-RNA Homo sapiens
25 TTN 7273
Two-hybrid Homo sapiens
Reconstituted Complex Homo sapiens
26 MON2 23041
Affinity Capture-MS Homo sapiens
27 RPL7A 6130
Cross-Linking-MS (XL-MS) Homo sapiens
28 IFI16 3428
Affinity Capture-MS Homo sapiens
29 CBWD3  
Affinity Capture-MS Homo sapiens
30 RPL36 25873
Cross-Linking-MS (XL-MS) Homo sapiens
31 Setd2  
Affinity Capture-MS Mus musculus
32 SLC1A3 6507
Affinity Capture-MS Homo sapiens
33 RPL21 6144
Cross-Linking-MS (XL-MS) Homo sapiens
34 ALG2 85365
Cross-Linking-MS (XL-MS) Homo sapiens
35 LYPD4  
Affinity Capture-MS Homo sapiens
36 VPS18 57617
Affinity Capture-MS Homo sapiens
37 CUL4A 8451
Affinity Capture-MS Homo sapiens
38 KCTD6  
Affinity Capture-Western Homo sapiens
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