Details of Drug Off-Target (DOT)
General Information of Drug Off-Target (DOT) (ID: OTQ1STV3)
DOT Name | Pre-mRNA-processing factor 19 (PRPF19) | ||||
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Synonyms | EC 2.3.2.27; Nuclear matrix protein 200; PRP19/PSO4 homolog; hPso4; RING-type E3 ubiquitin transferase PRP19; Senescence evasion factor | ||||
Gene Name | PRPF19 | ||||
Related Disease | |||||
UniProt ID | |||||
3D Structure | |||||
PDB ID | |||||
EC Number | |||||
Pfam ID | |||||
Sequence |
MSLICSISNEVPEHPCVSPVSNHVYERRLIEKYIAENGTDPINNQPLSEEQLIDIKVAHP
IRPKPPSATSIPAILKALQDEWDAVMLHSFTLRQQLQTTRQELSHALYQHDAACRVIARL TKEVTAAREALATLKPQAGLIVPQAVPSSQPSVVGAGEPMDLGELVGMTPEIIQKLQDKA TVLTTERKKRGKTVPEELVKPEELSKYRQVASHVGLHSASIPGILALDLCPSDTNKILTG GADKNVVVFDKSSEQILATLKGHTKKVTSVVFHPSQDLVFSASPDATIRIWSVPNASCVQ VVRAHESAVTGLSLHATGDYLLSSSDDQYWAFSDIQTGRVLTKVTDETSGCSLTCAQFHP DGLIFGTGTMDSQIKIWDLKERTNVANFPGHSGPITSIAFSENGYYLATAADDSSVKLWD LRKLKNFKTLQLDNNFEVKSLIFDQSGTYLALGGTDVQIYICKQWTEILHFTEHSGLTTG VAFGHHAKFIASTGMDRSLKFYSL |
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Function |
Ubiquitin-protein ligase which is a core component of several complexes mainly involved pre-mRNA splicing and DNA repair. Required for pre-mRNA splicing as component of the spliceosome. Core component of the PRP19C/Prp19 complex/NTC/Nineteen complex which is part of the spliceosome and participates in its assembly, its remodeling and is required for its activity. During assembly of the spliceosome, mediates 'Lys-63'-linked polyubiquitination of the U4 spliceosomal protein PRPF3. Ubiquitination of PRPF3 allows its recognition by the U5 component PRPF8 and stabilizes the U4/U5/U6 tri-snRNP spliceosomal complex. Recruited to RNA polymerase II C-terminal domain (CTD) and the pre-mRNA, it may also couple the transcriptional and spliceosomal machineries. The XAB2 complex, which contains PRPF19, is also involved in pre-mRNA splicing, transcription and transcription-coupled repair. Beside its role in pre-mRNA splicing PRPF19, as part of the PRP19-CDC5L complex, plays a role in the DNA damage response/DDR. It is recruited to the sites of DNA damage by the RPA complex where PRPF19 directly ubiquitinates RPA1 and RPA2. 'Lys-63'-linked polyubiquitination of the RPA complex allows the recruitment of the ATR-ATRIP complex and the activation of ATR, a master regulator of the DNA damage response. May also play a role in DNA double-strand break (DSB) repair by recruiting the repair factor SETMAR to altered DNA. As part of the PSO4 complex may also be involved in the DNA interstrand cross-links/ICLs repair process. In addition, may also mediate 'Lys-48'-linked polyubiquitination of substrates and play a role in proteasomal degradation. May play a role in the biogenesis of lipid droplets. May play a role in neural differentiation possibly through its function as part of the spliceosome.
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Tissue Specificity | Ubiquitous. Weakly expressed in senescent cells of different tissue origins. Highly expressed in tumor cell lines. | ||||
KEGG Pathway | |||||
Reactome Pathway | |||||
Molecular Interaction Atlas (MIA) of This DOT
10 Disease(s) Related to This DOT
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Molecular Interaction Atlas (MIA) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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This DOT Affected the Drug Response of 1 Drug(s)
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6 Drug(s) Affected the Gene/Protein Processing of This DOT
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References