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Article

Yeast DNA ligase IV mutations reveal a nonhomologous end joining function of BRCT1 distinct from XRCC4/Lif1 binding.

DNA repair - 1 Dec 2014

Chiruvella Kishore K, Renard Brian M, Birkeland Shanda R, Sunder Sham, Liang Zhuobin, Wilson Thomas E

Abstract excerpt

LIG4/Dnl4 is the DNA ligase that (re)joins DNA double-strand breaks (DSBs) via nonhomologous end joining (NHEJ), an activity supported by binding of its tandem BRCT domains to the ligase accessory protein XRCC4/Lif1. We screened a panel of 88 distinct ligase mutants to explore the structure–function relationships of the yeast Dnl4 BRCT domains and inter-BRCT linker in NHEJ. Screen results suggested two distinct...

Topics

DNA Breaks, Double-Stranded
DNA End-Joining Repair
DNA Ligase ATP
DNA Ligases
DNA-Binding Proteins
Mutation
Protein Stability
Protein Structure, Tertiary
Saccharomyces cerevisiae Proteins

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Source

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Identifiers

PMID: 25457772
DOI: 10.1016/j.dnarep.2014.10.003
PMCID: PMC4305023

Genes

XRCC4
LIG4

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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