TSEN2

tRNA-splicing endonuclease subunit Sen2 is an enzyme that in humans is encoded by the TSEN2 gene.^[5][6]

AliasesTSEN2, PCH2B, SEN2, SEN2L, tRNA splicing endonuclease subunit 2

External IDsOMIM: 608753; MGI: 2141599; HomoloGene: 41622; GeneCards: TSEN2; OMA:TSEN2 - orthologs

Chr.Chromosome 3 (human)^[1]

End12,541,549 bp^[1]

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TSEN2
Identifiers
Aliases	TSEN2, PCH2B, SEN2, SEN2L, tRNA splicing endonuclease subunit 2
External IDs	OMIM: 608753; MGI: 2141599; HomoloGene: 41622; GeneCards: TSEN2; OMA:TSEN2 - orthologs
Gene location (Human) Chr. Chromosome 3 (human)[1] Band 3p25.2 Start 12,484,421 bp[1] End 12,541,549 bp[1]
Gene location (Mouse) Chr. Chromosome 6 (mouse)[2] Band 6|6 E3 Start 115,521,625 bp[2] End 115,555,589 bp[2]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in buccal mucosa cell mucosa of transverse colon gonad ventricular zone testicle gastrocnemius muscle body of pancreas cerebellar hemisphere right uterine tube muscle of thigh Top expressed in Rostral migratory stream yolk sac epiblast primitive streak interventricular septum hand superior cervical ganglion otolith organ embryo utricle More reference expression data BioGPS More reference expression data
Gene ontology Molecular function tRNA-intron endonuclease activity protein binding lyase activity nucleic acid binding nuclease activity Cellular component centrosome nucleolus nucleus tRNA-intron endonuclease complex nucleoplasm cytosol Biological process mRNA processing tRNA-type intron splice site recognition and cleavage RNA phosphodiester bond hydrolysis, endonucleolytic tRNA splicing, via endonucleolytic cleavage and ligation RNA phosphodiester bond hydrolysis tRNA processing nucleic acid phosphodiester bond hydrolysis Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 80746 381802 Ensembl ENSG00000154743 ENSMUSG00000042389 UniProt Q8NCE0 Q6P7W5 RefSeq (mRNA) NM_001145392 NM_001145393 NM_001145394 NM_001145395 NM_025265 NM_001321277 NM_001321278 NM_001321279 NM_199033 RefSeq (protein) NP_001138864 NP_001138865 NP_001138866 NP_001308206 NP_001308207 NP_001308208 NP_079541 NP_950198 Location (UCSC) Chr 3: 12.48 – 12.54 Mb Chr 6: 115.52 – 115.56 Mb PubMed search [3] [4]
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tRNA splicing is a fundamental process required for cell growth and division. SEN2 is a subunit of the tRNA splicing endonuclease, which catalyzes the removal of introns, the first step in tRNA splicing (Paushkin et al., 2004).[supplied by OMIM]^[6]