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Entry version 132 (17 Jun 2020)
Sequence version 1 (01 Jun 2001)
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Protein

DNA repair protein XRCC3

Gene

Xrcc3

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at transcript leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Involved in the homologous recombination repair (HRR) pathway of double-stranded DNA, thought to repair chromosomal fragmentation, translocations and deletions. Part of the RAD21 paralog protein complex CX3 which acts in the BRCA1-BRCA2-dependent HR pathway. Upon DNA damage, CX3 acts downstream of RAD51 recruitment; the complex binds predominantly to the intersection of the four duplex arms of the Holliday junction (HJ) and to junctions of replication forks. Involved in HJ resolution and thus in processing HR intermediates late in the DNA repair process; the function may be linked to the CX3 complex and seems to involve GEN1 during mitotic cell cycle progression. Part of a PALB2-scaffolded HR complex containing BRCA2 and RAD51C and which is thought to play a role in DNA repair by HR. Plays a role in regulating mitochondrial DNA copy number under conditions of oxidative stress in the presence of RAD51 and RAD51C (By similarity).By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi107 – 114ATPSequence analysis8

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionDNA-binding
Biological processDNA damage, DNA recombination, DNA repair
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-5685942 HDR through Homologous Recombination (HRR)
R-MMU-5693554 Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA)
R-MMU-5693568 Resolution of D-loop Structures through Holliday Junction Intermediates
R-MMU-5693579 Homologous DNA Pairing and Strand Exchange

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
DNA repair protein XRCC3
Alternative name(s):
X-ray repair cross-complementing protein 3
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Xrcc3
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiMus musculus (Mouse)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 12

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:1921585 Xrcc3

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm, Mitochondrion, Nucleus

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001229521 – 349DNA repair protein XRCC3Add BLAST349

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei1N-acetylmethionineBy similarity1

Keywords - PTMi

Acetylation

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
Q9CXE6

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q9CXE6

PRoteomics IDEntifications database

More...
PRIDEi
Q9CXE6

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9CXE6

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q9CXE6

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSMUSG00000021287 Expressed in bone marrow and 219 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9CXE6 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9CXE6 MM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts with RAD51C and RAD51. Part of the CX3 complex consisting of RAD51C and XRCC3; the complex has a ring-like structure arranged into a flat disc around a central channel; CX3 can interact with RAD51 in vitro.

Forms a complex with FANCD2, BRCA2 and phosphorylated FANCG.

Interacts with SWSAP1 and ZSWIM7; involved in homologous recombination repair.

Interacts directly with PALB2 which may serve as a scaffold for a HR complex containing PALB2, BRCA2, RAD51C, RAD51 and XRCC3 (By similarity).

By similarity

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
216673, 1 interactor

Protein interaction database and analysis system

More...
IntActi
Q9CXE6, 1 interactor

Molecular INTeraction database

More...
MINTi
Q9CXE6

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000021715

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...
RNActi
Q9CXE6 protein

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q9CXE6

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the RecA family. RAD51 subfamily.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1564 Eukaryota
COG0468 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00930000151053

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9CXE6

KEGG Orthology (KO)

More...
KOi
K10880

Identification of Orthologs from Complete Genome Data

More...
OMAi
PCLGLQW

Database of Orthologous Groups

More...
OrthoDBi
1341207at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9CXE6

TreeFam database of animal gene trees

More...
TreeFami
TF101203

Family and domain databases

Conserved Domains Database

More...
CDDi
cd01123 Rad51_DMC1_radA, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR013632 DNA_recomb/repair_Rad51_C
IPR016467 DNA_recomb/repair_RecA-like
IPR027417 P-loop_NTPase
IPR033925 Rad51_DMC1_RadA
IPR020588 RecA_ATP-bd

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF08423 Rad51, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF005856 Rad51, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF52540 SSF52540, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50162 RECA_2, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q9CXE6-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDLDQLDLNP RITAAVKRGR LKSVKEILCY SGPDLQRLTG LPSHDVQCLL
60 70 80 90 100
RAASLHLRGS RVLSALHLFQ QKESFPEQHQ RLSLGCPVLD QFLGGGLPLE
110 120 130 140 150
GITGLAGCSS AGKTQLALQL CLAVQFPRQY GGLEAGAVYI CTEDAFPSKR
160 170 180 190 200
LWQLIAQQRR LRTDAPEELI EKIRFSNHIF IEHAADVDTL LECVSKKVPI
210 220 230 240 250
LLSRGMARLV VVDSIAAPFR CEFHLQASAI RAKLLLSLGA TLRRLSSTFR
260 270 280 290 300
SPVLCINQVT DMVEDQQSVS RSLGASEERL SPALGITWAN QLLMRLMVDR
310 320 330 340
THEDDVTTGL PRSPVRTLRV LFAPHLPLSS CCYTVSGEGI RGMPGTQSY
Length:349
Mass (Da):38,446
Last modified:June 1, 2001 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i15E5AFBBDEB9AAEB
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
Q80W51Q80W51_MOUSE
DNA repair protein XRCC3
Xrcc3
215Annotation score:

Annotation score:1 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AK014491 mRNA Translation: BAB29391.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS26187.1

NCBI Reference Sequences

More...
RefSeqi
NP_083151.1, NM_028875.3

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000021715; ENSMUSP00000021715; ENSMUSG00000021287

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
74335

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:74335

UCSC genome browser

More...
UCSCi
uc007pdz.1 mouse

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AK014491 mRNA Translation: BAB29391.1
CCDSiCCDS26187.1
RefSeqiNP_083151.1, NM_028875.3

3D structure databases

SMRiQ9CXE6
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi216673, 1 interactor
IntActiQ9CXE6, 1 interactor
MINTiQ9CXE6
STRINGi10090.ENSMUSP00000021715

PTM databases

iPTMnetiQ9CXE6
PhosphoSitePlusiQ9CXE6

Proteomic databases

EPDiQ9CXE6
PaxDbiQ9CXE6
PRIDEiQ9CXE6

Protocols and materials databases

Antibodypedia a portal for validated antibodies

More...
Antibodypediai
14778 575 antibodies

The DNASU plasmid repository

More...
DNASUi
74335

Genome annotation databases

EnsembliENSMUST00000021715; ENSMUSP00000021715; ENSMUSG00000021287
GeneIDi74335
KEGGimmu:74335
UCSCiuc007pdz.1 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
7517
MGIiMGI:1921585 Xrcc3

Phylogenomic databases

eggNOGiKOG1564 Eukaryota
COG0468 LUCA
GeneTreeiENSGT00930000151053
InParanoidiQ9CXE6
KOiK10880
OMAiPCLGLQW
OrthoDBi1341207at2759
PhylomeDBiQ9CXE6
TreeFamiTF101203

Enzyme and pathway databases

ReactomeiR-MMU-5685942 HDR through Homologous Recombination (HRR)
R-MMU-5693554 Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA)
R-MMU-5693568 Resolution of D-loop Structures through Holliday Junction Intermediates
R-MMU-5693579 Homologous DNA Pairing and Strand Exchange

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
74335 9 hits in 12 CRISPR screens

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...
ChiTaRSi
Xrcc3 mouse

Protein Ontology

More...
PROi
PR:Q9CXE6
RNActiQ9CXE6 protein

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000021287 Expressed in bone marrow and 219 other tissues
ExpressionAtlasiQ9CXE6 baseline and differential
GenevisibleiQ9CXE6 MM

Family and domain databases

CDDicd01123 Rad51_DMC1_radA, 1 hit
InterProiView protein in InterPro
IPR013632 DNA_recomb/repair_Rad51_C
IPR016467 DNA_recomb/repair_RecA-like
IPR027417 P-loop_NTPase
IPR033925 Rad51_DMC1_RadA
IPR020588 RecA_ATP-bd
PfamiView protein in Pfam
PF08423 Rad51, 1 hit
PIRSFiPIRSF005856 Rad51, 1 hit
SUPFAMiSSF52540 SSF52540, 1 hit
PROSITEiView protein in PROSITE
PS50162 RECA_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiXRCC3_MOUSE
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q9CXE6
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 3, 2002
Last sequence update: June 1, 2001
Last modified: June 17, 2020
This is version 132 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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