ID RUVC_FRASN Reviewed; 178 AA.
AC A8KZE8;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 04-DEC-2007, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=Crossover junction endodeoxyribonuclease RuvC {ECO:0000255|HAMAP-Rule:MF_00034};
DE EC=3.1.21.10 {ECO:0000255|HAMAP-Rule:MF_00034};
DE AltName: Full=Holliday junction nuclease RuvC {ECO:0000255|HAMAP-Rule:MF_00034};
DE AltName: Full=Holliday junction resolvase RuvC {ECO:0000255|HAMAP-Rule:MF_00034};
GN Name=ruvC {ECO:0000255|HAMAP-Rule:MF_00034};
GN OrderedLocusNames=Franean1_5146;
OS Frankia sp. (strain EAN1pec).
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae; Frankia.
OX NCBI_TaxID=298653;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EAN1pec;
RX PubMed=17151343; DOI=10.1101/gr.5798407;
RA Normand P., Lapierre P., Tisa L.S., Gogarten J.P., Alloisio N.,
RA Bagnarol E., Bassi C.A., Berry A.M., Bickhart D.M., Choisne N., Couloux A.,
RA Cournoyer B., Cruveiller S., Daubin V., Demange N., Francino M.P.,
RA Goltsman E., Huang Y., Kopp O.R., Labarre L., Lapidus A., Lavire C.,
RA Marechal J., Martinez M., Mastronunzio J.E., Mullin B.C., Niemann J.,
RA Pujic P., Rawnsley T., Rouy Z., Schenowitz C., Sellstedt A., Tavares F.,
RA Tomkins J.P., Vallenet D., Valverde C., Wall L.G., Wang Y., Medigue C.,
RA Benson D.R.;
RT "Genome characteristics of facultatively symbiotic Frankia sp. strains
RT reflect host range and host plant biogeography.";
RL Genome Res. 17:7-15(2007).
CC -!- FUNCTION: The RuvA-RuvB-RuvC complex processes Holliday junction (HJ)
CC DNA during genetic recombination and DNA repair. Endonuclease that
CC resolves HJ intermediates. Cleaves cruciform DNA by making single-
CC stranded nicks across the HJ at symmetrical positions within the
CC homologous arms, yielding a 5'-phosphate and a 3'-hydroxyl group;
CC requires a central core of homology in the junction. The consensus
CC cleavage sequence is 5'-(A/T)TT(C/G)-3'. Cleavage occurs on the 3'-side
CC of the TT dinucleotide at the point of strand exchange. HJ branch
CC migration catalyzed by RuvA-RuvB allows RuvC to scan DNA until it finds
CC its consensus sequence, where it cleaves and resolves the cruciform
CC DNA. {ECO:0000255|HAMAP-Rule:MF_00034}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage at a junction such as a reciprocal
CC single-stranded crossover between two homologous DNA duplexes
CC (Holliday junction).; EC=3.1.21.10; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00034};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00034};
CC Note=Binds 2 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00034};
CC -!- SUBUNIT: Homodimer which binds Holliday junction (HJ) DNA. The HJ
CC becomes 2-fold symmetrical on binding to RuvC with unstacked arms; it
CC has a different conformation from HJ DNA in complex with RuvA. In the
CC full resolvosome a probable DNA-RuvA(4)-RuvB(12)-RuvC(2) complex forms
CC which resolves the HJ. {ECO:0000255|HAMAP-Rule:MF_00034}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00034}.
CC -!- SIMILARITY: Belongs to the RuvC family. {ECO:0000255|HAMAP-
CC Rule:MF_00034}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000820; ABW14504.1; -; Genomic_DNA.
DR AlphaFoldDB; A8KZE8; -.
DR SMR; A8KZE8; -.
DR STRING; 298653.Franean1_5146; -.
DR KEGG; fre:Franean1_5146; -.
DR eggNOG; COG0817; Bacteria.
DR HOGENOM; CLU_091257_0_2_11; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0048476; C:Holliday junction resolvase complex; IEA:UniProtKB-UniRule.
DR GO; GO:0008821; F:crossover junction DNA endonuclease activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-UniRule.
DR GO; GO:0006281; P:DNA repair; IEA:UniProtKB-UniRule.
DR CDD; cd16962; RuvC; 1.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR HAMAP; MF_00034; RuvC; 1.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR InterPro; IPR020563; X-over_junc_endoDNase_Mg_BS.
DR InterPro; IPR002176; X-over_junc_endoDNase_RuvC.
DR NCBIfam; TIGR00228; ruvC; 1.
DR PANTHER; PTHR30194; CROSSOVER JUNCTION ENDODEOXYRIBONUCLEASE RUVC; 1.
DR PANTHER; PTHR30194:SF3; CROSSOVER JUNCTION ENDODEOXYRIBONUCLEASE RUVC; 1.
DR Pfam; PF02075; RuvC; 1.
DR PRINTS; PR00696; RSOLVASERUVC.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR PROSITE; PS01321; RUVC; 1.
PE 3: Inferred from homology;
KW Cytoplasm; DNA damage; DNA recombination; DNA repair; DNA-binding;
KW Endonuclease; Hydrolase; Magnesium; Metal-binding; Nuclease.
FT CHAIN 1..178
FT /note="Crossover junction endodeoxyribonuclease RuvC"
FT /id="PRO_1000090527"
FT ACT_SITE 7
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT ACT_SITE 68
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT ACT_SITE 141
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT BINDING 7
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT BINDING 68
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT BINDING 141
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
SQ SEQUENCE 178 AA; 18391 MW; BC4131061C1D012C CRC64;
MRVLGVDPGL TRCGLGVVDG GPGRRASLVE VGVVRTPASD EVADRLRAVS EGVDEWLDRV
RPDAVAVEKV FSQANVRTVM GTAQAGAVAI VAAARRGLPI GLYTPSEVKA AVTGSGRADK
AQVGFMVTKL LDLPEAPRPA DAADALALAL CHLWRGPALA RMRAATPARS PGVPGGRR
//