XRS2 Xrs2p [Saccharomyces cerevisiae S288C] - Gene

Summary

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Official Symbol: XRS2
Official Full Name: Xrs2p
Primary source: SGD:S000002777
Locus tag: YDR369C
See related: AllianceGenome:SGD:S000002777; FungiDB:YDR369C; VEuPathDB:YDR369C
Gene type: protein coding
RefSeq status: REVIEWED
Organism: Saccharomyces cerevisiae S288C (strain: S288C)
Lineage: Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces
Summary: Enables DNA binding activity and protein-macromolecule adaptor activity. Involved in DNA metabolic process and sporulation resulting in formation of a cellular spore. Located in nucleus. Part of Mre11 complex. [provided by Alliance of Genome Resources, Dec 2024]
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Genomic context

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See XRS2 in Genome Data Viewer

Location:: chromosome: IV

Exon count:: 1

Sequence:: Chromosome: IV; NC_001136.10 (1215016..1217580, complement)

Chromosome IV - NC_001136.10 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_001136.10

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Xrs2/NBS1 promote end-bridging activity of the MRE11-RAD50 complex.
Title: Xrs2/NBS1 promote end-bridging activity of the MRE11-RAD50 complex.
Inhibition of MRN activity by a telomere protein motif.
Title: Inhibition of MRN activity by a telomere protein motif.
A Role for the Mre11-Rad50-Xrs2 Complex in Gene Expression and Chromosome Organization.
Title: A Role for the Mre11-Rad50-Xrs2 Complex in Gene Expression and Chromosome Organization.
Data show that ssDNA endodeoxyribonuclease SAE2 (Sae2) cooperates with the Mre11-Rad50-Xrs2 (MRX) complex to initiate resection of DNA double-strand breaks (DSBs) and to maintain the DSB ends in close proximity to allow their repair.
Title: Structurally distinct Mre11 domains mediate MRX functions in resection, end-tethering and DNA damage resistance.
present evidence that despite extreme sequence divergence nibrin can, at least partially, replace Xrs2 in the cellular DNA damage response, and Xrs2 is able to promote nuclear localization of MRE11.
Title: Yeast XRS2 and human NBN gene: Experimental evidence for homology using codon optimized cDNA.
Xrs2 dependent and independent functions of the Mre11-Rad50 complex orchestrating the cellular response to double-strand DNA breaks have been described.
Title: Xrs2 Dependent and Independent Functions of the Mre11-Rad50 Complex.
The Saccharomyces cerevisiae Mre11-Rad50-Xrs2 complex promotes trinucleotide repeat expansions independently of homologous recombination.
Title: The Saccharomyces cerevisiae Mre11-Rad50-Xrs2 complex promotes trinucleotide repeat expansions independently of homologous recombination.
Phosphorylation sites on Xrs2 that are required for MMS resistance were identified.
Title: DNA Replication Stress Phosphoproteome Profiles Reveal Novel Functional Phosphorylation Sites on Xrs2 in Saccharomyces cerevisiae.
Mre11 recruits conjugated SUMO moieties to facilitate the assembly and function of the Mre11-Rad50-Xrs2 complex.
Title: S. cerevisiae Mre11 recruits conjugated SUMO moieties to facilitate the assembly and function of the Mre11-Rad50-Xrs2 complex.
the Xrs2 FHA domain and Tel1 kinase work in a coordinated manner to maintain DSB repair fidelity.
Title: The MRX Complex Ensures NHEJ Fidelity through Multiple Pathways Including Xrs2-FHA-Dependent Tel1 Activation.

Submit: New GeneRIF Correction See all GeneRIFs (29)

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Homology

Orthologs from OrthoDB

Gene Ontology Provided by SGD

Function	Evidence Code	Pubs
enables DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables G-quadruplex DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables double-stranded telomeric DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables protein-macromolecule adaptor activity	IDA Inferred from Direct Assay more info	PubMed
enables single-stranded telomeric DNA binding	IDA Inferred from Direct Assay more info	PubMed
enables telomeric DNA binding	IDA Inferred from Direct Assay more info	PubMed

Process	Evidence Code	Pubs
involved_in DNA repair	IEA Inferred from Electronic Annotation more info
involved_in base-excision repair	IGI Inferred from Genetic Interaction more info	PubMed
involved_in base-excision repair	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in double-strand break repair via nonhomologous end joining	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in maintenance of DNA trinucleotide repeats	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in meiotic DNA double-strand break formation	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in meiotic cell cycle	IEA Inferred from Electronic Annotation more info
involved_in mitochondrial double-strand break repair via homologous recombination	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in sporulation resulting in formation of a cellular spore	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in telomere maintenance	IMP Inferred from Mutant Phenotype more info	PubMed

Component	Evidence Code	Pubs
part_of Mre11 complex	IPI Inferred from Physical Interaction more info	PubMed
located_in chromosome	IEA Inferred from Electronic Annotation more info
located_in chromosome, telomeric region	IEA Inferred from Electronic Annotation more info
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed
located_in nucleus	IEA Inferred from Electronic Annotation more info

General protein information

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Preferred Names: Xrs2p

NP_010657.3

FHA domain-containing component of the Mre11 complex; MRE11-RAD50-XRS2 complex is involved in double strand breaks, meiotic recombination, telomere maintenance, and checkpoint signaling; FHA domain is required for activation of Tel1p

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

NC_001136.10 Reference assembly

Range

1215016..1217580 complement

Download

GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NM_001180677.3 → NP_010657.3 TPA: Xrs2p [Saccharomyces cerevisiae S288C]

See identical proteins and their annotated locations for NP_010657.3

Status: REVIEWED

UniProtKB/Swiss-Prot

D6VT00, P33301

UniProtKB/TrEMBL

B5VGP9, N1P7A2

Conserved Domains (2) summary

PLN02156
Location:555 → 623

PLN02156; gibberellin 2-beta-dioxygenase

cd00060
Location:12 → 115

FHA; Forkhead associated domain (FHA); found in eukaryotic and prokaryotic proteins. Putative nuclear signalling domain. FHA domains may bind phosphothreonine, phosphoserine and sometimes phosphotyrosine. In eukaryotes, many FHA domain-containing proteins ...