Article · Wikipedia archive · Last revised May 31, 2026

LSM1

U6 snRNA-associated Sm-like protein LSm1 is a protein that in humans is encoded by the LSM1 gene.

Last revised
May 31, 2026
Read time
≈ 4 min
Length
813 w
Citations
9
Source
LSM1
Identifiers
AliasesLSM1, CASM, YJL124C, LSM1 homolog, mRNA degradation associated
External IDsOMIM: 607281; MGI: 1914457; HomoloGene: 40945; GeneCards: LSM1; OMA:LSM1 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_014462

NM_026032

RefSeq (protein)

NP_055277

NP_080308

Location (UCSC)n/aChr 8: 26.28 – 26.29 Mb
PubMed search23
Wikidata
View/Edit HumanView/Edit Mouse

U6 snRNA-associated Sm-like protein LSm1 is a protein that in humans is encoded by the LSM1 gene.456

Function

Sm-like proteins were identified in a variety of organisms based on sequence homology with the Sm protein family (see SNRPD2). Sm-like proteins contain the Sm sequence motif, which consists of 2 regions separated by a linker of variable length that folds as a loop. The Sm-like proteins are thought to form a stable heteromer present in tri-snRNP particles, which are important for pre-mRNA splicing.6

References

References

  1. GRCm38: Ensembl release 89: ENSMUSG00000037296Ensembl, May 2017
  2. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. Ingelfinger D, Arndt-Jovin DJ, Luhrmann R, Achsel T (Jan 2003). "The human LSm1-7 proteins colocalize with the mRNA-degrading enzymes Dcp1/2 and Xrnl in distinct cytoplasmic foci". RNA. 8 (12): 1489–501. doi:10.1017/S1355838202021726. PMC 1370355. PMID 12515382.
  5. Takahashi S, Suzuki S, Inaguma S, Cho YM, Ikeda Y, Hayashi N, Inoue T, Sugimura Y, Nishiyama N, Fujita T, Ushijima T, Shirai T (Apr 2002). "Down-regulation of Lsm1 is involved in human prostate cancer progression". Br J Cancer. 86 (6): 940–6. doi:10.1038/sj.bjc.6600163. PMC 2364150. PMID 11953827.
  6. "Entrez Gene: LSM1 LSM1 homolog, U6 small nuclear RNA associated (S. cerevisiae)".
Further reading

Further reading