ID   RUVC_HAEDU              Reviewed;         192 AA.
AC   Q7VNF5;
DT   14-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 103.
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}; OrderedLocusNames=HD_0593;
OS   Haemophilus ducreyi (strain 35000HP / ATCC 700724).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=233412;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=35000HP / ATCC 700724;
RA   Munson R.S. Jr., Ray W.C., Mahairas G., Sabo P., Mungur R., Johnson L.,
RA   Nguyen D., Wang J., Forst C., Hood L.;
RT   "The complete genome sequence of Haemophilus ducreyi.";
RL   Submitted (JUN-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Nuclease that resolves Holliday junction intermediates in
CC       genetic recombination. Cleaves the cruciform structure in supercoiled
CC       DNA by nicking to strands with the same polarity at sites symmetrically
CC       opposed at the junction in the homologous arms and leaves a 5'-terminal
CC       phosphate and a 3'-terminal hydroxyl group. {ECO:0000255|HAMAP-
CC       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 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00034};
CC   -!- SIMILARITY: Belongs to the RuvC family. {ECO:0000255|HAMAP-
CC       Rule:MF_00034}.
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DR   EMBL; AE017143; AAP95524.1; -; Genomic_DNA.
DR   RefSeq; WP_010944577.1; NC_002940.2.
DR   AlphaFoldDB; Q7VNF5; -.
DR   SMR; Q7VNF5; -.
DR   STRING; 233412.HD_0593; -.
DR   EnsemblBacteria; AAP95524; AAP95524; HD_0593.
DR   KEGG; hdu:HD_0593; -.
DR   eggNOG; COG0817; Bacteria.
DR   HOGENOM; CLU_091257_2_1_6; -.
DR   OMA; AICHIWR; -.
DR   Proteomes; UP000001022; Chromosome.
DR   GO; GO:0008821; F:crossover junction endodeoxyribonuclease activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
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; -; 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   PANTHER; PTHR30194; PTHR30194; 1.
DR   Pfam; PF02075; RuvC; 1.
DR   PRINTS; PR00696; RSOLVASERUVC.
DR   SUPFAM; SSF53098; SSF53098; 1.
DR   TIGRFAMs; TIGR00228; ruvC; 1.
DR   PROSITE; PS01321; RUVC; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA recombination; DNA repair; Hydrolase; Magnesium;
KW   Metal-binding; Nuclease; Reference proteome.
FT   CHAIN           1..192
FT                   /note="Crossover junction endodeoxyribonuclease RuvC"
FT                   /id="PRO_0000183101"
FT   BINDING         8
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT   BINDING         67
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT   BINDING         139
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
FT   BINDING         142
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00034"
SQ   SEQUENCE   192 AA;  20970 MW;  E040015B8BBF038C CRC64;
     MPIILGIDPG SRITGYGIIR QQGRQLEYLG SGAIRINASD LPSRLKHIYA GVTEIITQFQ
     PDMFAIEQVF MAKNADSALK LGQARGTAIV AAVNHDLPVF EYAARLVKQT VTGIGSADKL
     QVQDMVTRML QLSAKPQVDA ADALAIAITH AHSIQHSLIV AKQNNPSITT HKEQILALMK
     TRYSRGRFRL KG