// Workers AI · dad joke modeDoes Exosome RNA helicase MTR4 like parties? It unwinds.

MTREX
Identifiers
Aliases	MTREX, Dob1, KIAA0052, Mtr4, fSAP118, Ski2 like RNA helicase 2, Mtr4 exosome RNA helicase, SKIV2L2
External IDs	OMIM: 618122; MGI: 1919448; GeneCards: MTREX
Enzyme activity EC # BRENDA ExPASy KEGG MetaCyc 3.6.4.13 ↗ ↗ ↗ ↗
Gene location (Human) Chr. Chromosome 5 (human) Band 5q11.2 Start 55,307,989 bp End 55,425,579 bp
Gene location (Mouse) Chr. Chromosome 13 (mouse) Band 13|13 D2.2 Start 113,003,952 bp End 113,063,932 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in Achilles tendon sural nerve gonad epithelium of colon ventricular zone testicle ganglionic eminence jejunal mucosa Skeletal muscle tissue of rectus abdominis islet of Langerhans Top expressed in primitive streak genital tubercle masseter muscle ureter otic vesicle tail of embryo Paneth cell otic placode facial motor nucleus saccule More reference expression data BioGPS More reference expression data
Gene ontology Molecular function RNA helicase activity nucleotide binding protein binding ATP binding hydrolase activity helicase activity nucleic acid binding RNA binding Cellular component catalytic step 2 spliceosome spliceosomal complex nucleolus exosome (RNase complex) nucleus nucleoplasm nuclear exosome (RNase complex) TRAMP complex Biological process mRNA processing maturation of 5.8S rRNA RNA splicing rRNA processing mRNA splicing, via spliceosome RNA catabolic process Sources:Amigo / QuickGO
Orthologs Databases NCBI: entry; OMA: entry Species Human Mouse Entrez 23517 72198 Ensembl ENSG00000039123 ENSMUSG00000016018 UniProt P42285 Q9CZU3 RefSeq (mRNA) NM_015360 NM_028151 RefSeq (protein) NP_056175 NP_082427 Location (UCSC) Chr 5: 55.31 – 55.43 Mb Chr 13: 113 – 113.06 Mb PubMed search
Wikidata
View/Edit Human View/Edit Mouse

Exosome RNA helicase MTR4 is an enzyme that in humans is encoded by the MTREX gene (previously SKIV2L2). As an RNA helicase, the protein MTR4 participates in unwinding RNA, and is part of multiple protein complex, including TRAMP-like, NEXT, and PAXT. MTR4 is inhibited by NRDE2.

Further reading

• Nomura N, Nagase T, Miyajima N, et al. (1995). "Prediction of the coding sequences of unidentified human genes. II. The coding sequences of 40 new genes (KIAA0041-KIAA0080) deduced by analysis of cDNA clones from human cell line KG-1". DNA Res. 1 (5): 223–9. doi:10.1093/dnares/1.5.223. PMID 7584044.
• Brouwer R, Allmang C, Raijmakers R, et al. (2001). "Three novel components of the human exosome". J. Biol. Chem. 276 (9): 6177–84. doi:10.1074/jbc.M007603200. hdl:2066/186951. PMID 11110791.
• Chen CY, Gherzi R, Ong SE, et al. (2002). "AU binding proteins recruit the exosome to degrade ARE-containing mRNAs". Cell. 107 (4): 451–64. doi:10.1016/S0092-8674(01)00578-5. PMID 11719186. S2CID 14817671.
• Andersen JS, Lyon CE, Fox AH, et al. (2002). "Directed proteomic analysis of the human nucleolus". Curr. Biol. 12 (1): 1–11. doi:10.1016/S0960-9822(01)00650-9. PMID 11790298. S2CID 14132033.
• Raijmakers R, Noordman YE, van Venrooij WJ, Pruijn GJ (2002). "Protein-protein interactions of hCsl4p with other human exosome subunits". J. Mol. Biol. 315 (4): 809–18. doi:10.1006/jmbi.2001.5265. hdl:2066/261980. PMID 11812149.
• Jurica MS, Licklider LJ, Gygi SR, et al. (2002). "Purification and characterization of native spliceosomes suitable for three-dimensional structural analysis". RNA. 8 (4): 426–39. doi:10.1017/S1355838202021088. PMC 1370266. PMID 11991638.
• Scherl A, Couté Y, Déon C, et al. (2003). "Functional proteomic analysis of human nucleolus". Mol. Biol. Cell. 13 (11): 4100–9. doi:10.1091/mbc.E02-05-0271. PMC 133617. PMID 12429849.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Lehner B, Semple JI, Brown SE, et al. (2004). "Analysis of a high-throughput yeast two-hybrid system and its use to predict the function of intracellular proteins encoded within the human MHC class III region". Genomics. 83 (1): 153–67. doi:10.1016/S0888-7543(03)00235-0. PMID 14667819.
• Lin Z, Crockett DK, Lim MS, Elenitoba-Johnson KS (2004). "High-throughput analysis of protein/peptide complexes by immunoprecipitation and automated LC-MS/MS". J Biomol Tech. 14 (2): 149–55. PMC 2279905. PMID 14676314.
• Lehner B, Sanderson CM (2004). "A protein interaction framework for human mRNA degradation". Genome Res. 14 (7): 1315–23. doi:10.1101/gr.2122004. PMC 442147. PMID 15231747.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Andersen JS, Lam YW, Leung AK, et al. (2005). "Nucleolar proteome dynamics". Nature. 433 (7021): 77–83. Bibcode:2005Natur.433...77A. doi:10.1038/nature03207. PMID 15635413. S2CID 4344740.
• Nagahama M, Yamazoe T, Hara Y, et al. (2006). "The AAA-ATPase NVL2 is a component of pre-ribosomal particles that interacts with the DExD/H-box RNA helicase DOB1". Biochem. Biophys. Res. Commun. 346 (3): 1075–82. doi:10.1016/j.bbrc.2006.06.017. PMID 16782053.
• Ewing RM, Chu P, Elisma F, et al. (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.
• Schilders G, van Dijk E, Pruijn GJ (2007). "C1D and hMtr4p associate with the human exosome subunit PM/Scl-100 and are involved in pre-rRNA processing". Nucleic Acids Res. 35 (8): 2564–72. doi:10.1093/nar/gkm082. PMC 1885644. PMID 17412707.
• Yang CT, Hindes AE, Hultman KA, Johnson SL (2007). "Mutations in gfpt1 and skiv2l2 cause distinct stage-specific defects in larval melanocyte regeneration in zebrafish". PLOS Genet. 3 (6): e88. doi:10.1371/journal.pgen.0030088. PMC 1885281. PMID 17542649.