Protein Domain : Sm-like protein Lsm7 IPR017132

Type  Family
Description  This entry represents Sm-like protein Lsm7. It could be found in the nuclear Lsm2-8 complex or in the cytoplasmic Lsm1-7 complex. The Lsm2-8 complex associates with multiple snRNP complexes containing the U6 snRNA (U4/U6 snRNP, U4/U6.U5 snRNP, and free U6 snRNP). It binds and stabilizes the 3'-terminal poly(U) tract of U6 snRNA and facilitates the assembly of U4-U6 di-snRNP and U4-U6-U5 tri-snRNP [ , , ]. The Lsm1-7 complex associates with deadenylated mRNA and promotes decapping in the 5'-3' mRNA decay pathway [, ]. The Sm and the Lsm proteins, characterised by the Sm-domain, have RNA-related functions. The Sm heptamer ring associates with four (U1, U2, U4, U5) snRNPs, while Lsm2-8 heptamer is part of the U6 snRNP. Another Lsm heptameric complex, Lsm1-7, which differs from Lsm2-8 by one Lsm protein, functions in mRNA decapping, a crucial step in the mRNA degradation pathway [ ].
Short Name  Lsm7

0 Child Features

1 Gene Families

109 Genes

2 Ontology Annotations

1 Parent Features

14 Publications

USDA
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