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Protein

DNA repair protein RAD51 homolog 1

Gene

RAD51

Organism
Oryctolagus cuniculus (Rabbit)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at transcript leveli

Functioni

Plays an important role in homologous strand exchange, a key step in DNA repair through homologous recombination (HR). Binds to single and double-stranded DNA and exhibits DNA-dependent ATPase activity. Catalyzes the recognition of homology and strand exchange between homologous DNA partners to form a joint molecule between a processed DNA break and the repair template. Binds to single-stranded DNA in an ATP-dependent manner to form nucleoprotein filaments which are essential for the homology search and strand exchange. 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 RAD51C and XRCC3. Also involved in interstrand cross-link repair.By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi127 – 134ATPBy similarity8

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

DNA damage, DNA recombination, DNA repair

Keywords - Ligandi

ATP-binding, DNA-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
DNA repair protein RAD51 homolog 1
Gene namesi
Name:RAD51
OrganismiOryctolagus cuniculus (Rabbit)
Taxonomic identifieri9986 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresLagomorphaLeporidaeOryctolagus
Proteomesi
  • UP000001811 Componenti: Unplaced

Subcellular locationi

  • Nucleus By similarity
  • Cytoplasm By similarity
  • Cytoplasmperinuclear region By similarity
  • Mitochondrion matrix By similarity
  • Cytoplasmcytoskeletonmicrotubule organizing centercentrosome By similarity

  • Note: Colocalizes with RAD51AP1 and RPA2 to multiple nuclear foci upon induction of DNA damage. DNA damage induces an increase in nuclear levels. Together with FIGNL1, redistributed in discrete nuclear DNA damage-induced foci after ionizing radiation (IR) or camptothecin (CPT) treatment. Accumulated at sites of DNA damage in a SPIDR-dependent manner.By similarity

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Cytoskeleton, Mitochondrion, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedBy similarity
ChainiPRO_00001229342 – 339DNA repair protein RAD51 homolog 1Add BLAST338

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei2N-acetylalanineBy similarity1
Modified residuei54Phosphotyrosine; by ABL1By similarity1
Cross-linki58Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity
Cross-linki64Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity
Modified residuei309Phosphothreonine; by CHEK1By similarity1

Post-translational modificationi

Ubiquitinated by the SCF(FBXO18) E3 ubiquitin ligase complex, regulating RAD51 subcellular location and preventing its association with DNA.By similarity
Phosphorylated. Phosphorylation of Thr-309 by CHEK1 may enhance association with chromatin at sites of DNA damage and promote DNA repair by homologous recombination. Phosphorylation by ABL1 inhibits function.By similarity

Keywords - PTMi

Acetylation, Isopeptide bond, Phosphoprotein, Ubl conjugation

Interactioni

Subunit structurei

Forms linear homooligomers, giving rise to a RAD51 nucleoprotein filament, which is essential for strand-pairing reactions during DNA recombination. Interacts with BRCA1 and either directly or indirectly with p53. Interacts with XRCC3, RAD54L and RAD54B. Interacts with the BCDX2 subcomplex RAD51C:RAD51B. Interacts directly with PALB2 which may serve as a scaffold for a HR complex containing PALB2, BRCA2, RAD51C, RAD51 and XRCC3. Interacts with RAD51AP1 and RAD51AP2. Interacts with CHEK1, and this may require prior phosphorylation of CHEK1. Interacts with the MND1-PSMC3IP heterodimer. Found in a complex, at least composed of BLM, RAD51 and SPIDR; the complex formation is mediated by SPIDR. Interacts with SPIDR; the interaction is direct and recruits RAD51 to DNA damage sites. Interacts with FIGNL1 (via N-terminal one-half region); the interaction is direct. Interacts with RAD51AP1 (via C-terminal region); the interaction is direct. Interacts with NABP2, RPA1, PALB2 and RAD51. Interacts with SWI5/C9orf119, and at lower level with SFR1/MEIR5. Interacts with hyperphosphorylated RPA2; this interaction is necessary for efficient recruitment to chromatin in response to DNA damage. Interacts with SWSAP1; involved in homologous recombination repair. Interacts with PARPBP, BRCA2 and RECQL5; these interactions interfere with the formation of the RAD51-DNA homologous recombination structure. Interacts with POLQ; POLQ acts as an inhibitor of homology-recombination repair (HR) pathway by limiting RAD51 accumulation at resected ends (By similarity).By similarity

Protein-protein interaction databases

STRINGi9986.ENSOCUP00000014527.

Structurei

3D structure databases

ProteinModelPortaliO77507.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini48 – 77HhHAdd BLAST30

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni184 – 257Interaction with PALB2By similarityAdd BLAST74

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Motifi245 – 260Nuclear export signal; masked by the interaction with BRCA2By similarityAdd BLAST16

Sequence similaritiesi

Belongs to the RecA family. RAD51 subfamily.Curated
Contains 1 HhH domain.Curated

Phylogenomic databases

eggNOGiKOG1433. Eukaryota.
COG0468. LUCA.
HOGENOMiHOG000227426.
HOVERGENiHBG001504.
InParanoidiO77507.
KOiK04482.

Family and domain databases

CDDicd01123. Rad51_DMC1_radA. 1 hit.
Gene3Di3.40.50.300. 1 hit.
InterProiIPR003593. AAA+_ATPase.
IPR011941. DNA_recomb/repair_Rad51.
IPR013632. DNA_recomb/repair_Rad51_C.
IPR016467. DNA_recomb/repair_RecA-like.
IPR010995. DNA_repair_Rad51/TF_NusA_a-hlx.
IPR027417. P-loop_NTPase.
IPR033925. Rad51_DMC1_RadA.
IPR020588. RecA_ATP-bd.
IPR020587. RecA_monomer-monomer_interface.
[Graphical view]
PfamiPF08423. Rad51. 1 hit.
[Graphical view]
PIRSFiPIRSF005856. Rad51. 1 hit.
SMARTiSM00382. AAA. 1 hit.
[Graphical view]
SUPFAMiSSF47794. SSF47794. 1 hit.
SSF52540. SSF52540. 1 hit.
TIGRFAMsiTIGR02239. recomb_RAD51. 1 hit.
PROSITEiPS50162. RECA_2. 1 hit.
PS50163. RECA_3. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

O77507-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAMQMQLEAN ADTSVEEESF GPQPVSRLEQ CGINANDVKK LEEAGFHTEE
60 70 80 90 100
AVAYAPKKEL INIKGISEAK ADKILTEAAK LVPMGFTTAT EFHQRRSEII
110 120 130 140 150
QITTGSKELD KLLQGGIETG SITEMFGEFR TGKTQICHTL AVTCQLPIDR
160 170 180 190 200
GGGEGKAMYI DTEGTFRPER LLAVAERYGL SGSDVLDNVA YARGFNTDHQ
210 220 230 240 250
TQLLYQASAM MVESRYALLI VDSATALYRT DYSGRGELSA RQMHLARFLR
260 270 280 290 300
MLLRLADEFG VTVVITNQVV AQVDGAAMFA ADPKKPIGGN IIAHASTTRL
310 320 330
YLRKGRGETR ICKIYDSPCL PEAEAMFAIN ADGVGDAKD
Length:339
Mass (Da):37,028
Last modified:November 1, 1998 - v1
Checksum:i0B7A2C6621FAF84D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF017729 mRNA. Translation: AAC28561.1.
RefSeqiNP_001075493.1. NM_001082024.1.
UniGeneiOcu.2212.

Genome annotation databases

GeneIDi100008661.
KEGGiocu:100008661.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF017729 mRNA. Translation: AAC28561.1.
RefSeqiNP_001075493.1. NM_001082024.1.
UniGeneiOcu.2212.

3D structure databases

ProteinModelPortaliO77507.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi9986.ENSOCUP00000014527.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi100008661.
KEGGiocu:100008661.

Organism-specific databases

CTDi5888.

Phylogenomic databases

eggNOGiKOG1433. Eukaryota.
COG0468. LUCA.
HOGENOMiHOG000227426.
HOVERGENiHBG001504.
InParanoidiO77507.
KOiK04482.

Family and domain databases

CDDicd01123. Rad51_DMC1_radA. 1 hit.
Gene3Di3.40.50.300. 1 hit.
InterProiIPR003593. AAA+_ATPase.
IPR011941. DNA_recomb/repair_Rad51.
IPR013632. DNA_recomb/repair_Rad51_C.
IPR016467. DNA_recomb/repair_RecA-like.
IPR010995. DNA_repair_Rad51/TF_NusA_a-hlx.
IPR027417. P-loop_NTPase.
IPR033925. Rad51_DMC1_RadA.
IPR020588. RecA_ATP-bd.
IPR020587. RecA_monomer-monomer_interface.
[Graphical view]
PfamiPF08423. Rad51. 1 hit.
[Graphical view]
PIRSFiPIRSF005856. Rad51. 1 hit.
SMARTiSM00382. AAA. 1 hit.
[Graphical view]
SUPFAMiSSF47794. SSF47794. 1 hit.
SSF52540. SSF52540. 1 hit.
TIGRFAMsiTIGR02239. recomb_RAD51. 1 hit.
PROSITEiPS50162. RECA_2. 1 hit.
PS50163. RECA_3. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiRAD51_RABIT
AccessioniPrimary (citable) accession number: O77507
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: November 1, 1998
Last modified: November 30, 2016
This is version 117 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.