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Catalytic RNA molecules
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U6 snRNA-associated Sm-like protein LSm2

Known also as: Protein G7b, Small nuclear ribonuclear protein D homolog,snRNP core Sm-like protein Sm-x5

Known abbreviations: LSM2, C6orf28, G7B


Binds specifically to the 3'-terminal U-tract of U6 snRNA. May be involved in pre-mRNA splicing.
Identified in the spliceosome C complex. LSm subunits form a heteromer with a doughnut shape.
Nucleus (Potential.)
Phosphorylated upon DNA damage, probably by ATM or ATR.

This protein can be a part of a given complexes: Activities in which U6 snRNA-associated Sm-like protein LSm2 is involved: Pathways in which U6 snRNA-associated Sm-like protein LSm2 is involved:

NCBI GI number(s): 10863977
Species: Homo sapiens

Links to other databases:

Database ID Link
Uniprot Q9Y333 Q9Y333
KEGG hsa:57819 hsa:57819
PFAM: PF01423
InterPro: IPR010920
CATH: - -
SCOP: - -

Protein sequence:

U6 snRNA-associated Sm-like protein LSm2 (Homo sapiens) is product of expression of LSM2 gene.


Title Authors Journal Publication date (Issue) PubMed ID
The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, K Genome Res 2004-10-01 (14) 15489334
Purification and characterization of native spliceosomes suitable for three-dimensional structural analysis. Jurica MS, Licklider LJ, Gygi SR, Grigorieff N, Moore MJ RNA 2002-04-01 (8) 11991638
A doughnut-shaped heteromer of human Sm-like proteins binds to the 3'-end of U6 snRNA, thereby facilitating U4/U6 duplex formation in vitro. Achsel T, Brahms H, Kastner B, Bachi A, Wilm M, Luhrmann R EMBO J 1999-10-15 (18) 10523320
Initial characterization of the human central proteome. Burkard TR, Planyavsky M, Kaupe I, Breitwieser FP, Burckstummer T, Bennett KL, Superti-Furga G, Colinge J BMC Syst Biol 2011-01-01 (5) 21269460
ATM and ATR substrate analysis reveals extensive protein networks responsive to DNA damage. Matsuoka S, Ballif BA, Smogorzewska A, McDonald ER 3rd, Hurov KE, Luo J, Bakalarski CE, Zhao Z, Solimini N, Lerenthal Y, Shiloh Y, Gygi SP, Elledge SJ Science 2007-05-25 (316) 17525332
Immunoaffinity profiling of tyrosine phosphorylation in cancer cells. Rush J, Moritz A, Lee KA, Guo A, Goss VL, Spek EJ, Zhang H, Zha XM, Polakiewicz RD, Comb MJ Nat Biotechnol 2005-02-01 (23) 15592455
Gene expression profiling in the human hypothalamus-pituitary-adrenal axis and full-length cDNA cloning. Hu RM, Han ZG, Song HD, Peng YD, Huang QH, Ren SX, Gu YJ, Huang CH, Li YB, Jiang CL, Fu G, Zhang QH, Gu BW, Dai M, Mao YF, Gao GF, Rong R, Ye M, Zhou J, Xu SH, Gu J, Shi JX, Jin WR, Zhang CK, Wu TM, Huang GY, Chen Z, Chen MD, Chen JL Proc Natl Acad Sci U S A 2000-08-15 (97) 10931946
Analysis of the gene-dense major histocompatibility complex class III region and its comparison to mouse. Xie T, Rowen L, Aguado B, Ahearn ME, Madan A, Qin S, Campbell RD, Hood L Genome Res 2003-12-01 (13) 14656967

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Last modification of this entry: Sept. 25, 2012.

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