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Overview

Uniprot IDP62312
Protein NameU6 snRNA-associated Sm-like protein LSm6
Gene NameLSM6
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
5 ***MSLRKQTPSDFL

Function

Plays a role in pre-mRNA splicing as component of the U4/U6-U5 tri-snRNP complex that is involved in spliceosome assembly, and as component of the precatalytic spliceosome (spliceosome B complex) (PubMed:28781166). The heptameric LSM2-8 complex binds specifically to the 3'-terminal U-tract of U6 snRNA (PubMed:10523320). Component of LSm protein complexes, which are involved in RNA processing and may function in a chaperone-like manner, facilitating the efficient association of RNA processing factors with their substrates. Component of the cytoplasmic LSM1-LSM7 complex, which is thought to be involved in mRNA degradation by activating the decapping step in the 5'-to-3' mRNA decay pathway (Probable)

Protein Sequence

10 MSLRKQTPSD 20 FLKQIIGRPV 30 VVKLNSGVDY 40 RGVLACLDGY 50 MNIALEQTEE 60 YVNGQLKNKY 70 GDAFIRGNNV 80 LYISTQKRRM

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0120115 Lsm2-8 complex
Cellular Component GO:0005730 nucleolus
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0000932 P-body
Cellular Component GO:0030532 small nuclear ribonucleoprotein complex
Cellular Component GO:0005732 sno(s)RNA-containing ribonucleoprotein complex
Cellular Component GO:0071005 U2-type precatalytic spliceosome
Cellular Component GO:0046540 U4/U6 x U5 tri-snRNP complex
Cellular Component GO:0005688 U6 snRNP
Molecular Function GO:0046982 protein heterodimerization activity
Molecular Function GO:0003723 RNA binding
Biological Process GO:0000290 deadenylation-dependent decapping of nuclear-transcribed mRNA
Biological Process GO:0030490 maturation of SSU-rRNA
Biological Process GO:0006402 mRNA catabolic process
Biological Process GO:0000398 mRNA splicing, via spliceosome
Biological Process GO:0008380 RNA splicing
Biological Process GO:0000387 spliceosomal snRNP assembly
Biological Process GO:0000244 spliceosomal tri-snRNP complex assembly
Biological Process GO:0008033 tRNA processing

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[2] He J, Lai T, Zhou Z, Yang H, Lei Z et al.. Multiomics profiling reveals the involvement of protein lactylation in nonhomologous end joining pathway conferring radioresistance in lung adenocarcinoma cell.. Sci Rep 15(1):24651. 2025 Jul 9. PMID: 40634431.