Protein Domain : Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 IPR027141

Type  Family
Description  This entry represents a group of LSM domain containing proteins functioning in RNA processing, including U6 snRNA-associated Sm-like protein LSm4 and small nuclear ribonucleoproteins Sm D1 and D3.LSm4 is a component of LSm protein complexes, which are involved in RNA processing and may function in a chaperone-like manner. It binds specifically to the 3'-terminal U-tract of U6 snRNA [ , ]. SmD1 is involved in pre-mRNA splicing. It binds snRNA U1, U2, U4 and U5, which contain a highly conserved structural motif called the Sm binding site. It also binds telomerase RNA and is required for its accumulation [ , ].SmD3 is a core protein of small nuclear ribonucleoprotein (snRNP) essential for splicing of primary transcripts [ ]. It appears to function in the U7 snRNP complex that is involved in histone 3'-end processing. It binds to the downstream cleavage product (DCP) of histone pre-mRNA in a U7 snRNP dependent manner [].
Short Name  LSm4/Sm_D1/D3

1 Child Features

3 Gene Families

507 Genes

1 Ontology Annotations

0 Parent Features

14 Publications

USDA
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