Proteomics

Dataset Information

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Molecular architecture of the human tRNA ligase complex

ABSTRACT: Chemical cross-linking coupled to mass spectrometry was used to study two tRNA ligase complexes, one consisting of subunits RTCB, DDX1, CGI-99, FAM98B and Ashwin (“full tRLC”) and one lacking Ashwin (“core tRLC”). Cross-linking was performed using the homobifunctional, noncleavable reagent, disuccinimidyl suberate (DSS).

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Alexander Leitner  

LAB HEAD: Martin Jinek

PROVIDER: PXD025662 | Pride | 2021-12-15

REPOSITORIES: Pride

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Dataset's files

Source:
Action DRS
checksum.txt Txt
mfaini_C1912_032.raw Raw
mfaini_C1912_033.raw Raw
mfaini_C1912_034.raw Raw
mfaini_C1912_035.raw Raw
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Publications

RtcB enzymes are RNA ligases that play essential roles in tRNA splicing, unfolded protein response, and RNA repair. In metazoa, RtcB functions as part of a five-subunit tRNA ligase complex (tRNA-LC) along with Ddx1, Cgi-99, Fam98B, and Ashwin. The human tRNA-LC or its individual subunits have been implicated in additional cellular processes including microRNA maturation, viral replication, DNA double-strand break repair, and mRNA transport. Here, we present a biochemical analysis of the inter-su  ...[more]

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