ID RUVA_BIFAA Reviewed; 205 AA.
AC A1A1K2;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 1.
DT 27-MAR-2024, entry version 94.
DE RecName: Full=Holliday junction branch migration complex subunit RuvA {ECO:0000255|HAMAP-Rule:MF_00031};
GN Name=ruvA {ECO:0000255|HAMAP-Rule:MF_00031}; OrderedLocusNames=BAD_0804;
OS Bifidobacterium adolescentis (strain ATCC 15703 / DSM 20083 / NCTC 11814 /
OS E194a).
OC Bacteria; Actinomycetota; Actinomycetes; Bifidobacteriales;
OC Bifidobacteriaceae; Bifidobacterium.
OX NCBI_TaxID=367928;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 15703 / DSM 20083 / NCTC 11814 / E194a;
RA Suzuki T., Tsuda Y., Kanou N., Inoue T., Kumazaki K., Nagano S., Hirai S.,
RA Tanaka K., Watanabe K.;
RT "Bifidobacterium adolescentis complete genome sequence.";
RL Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The RuvA-RuvB-RuvC complex processes Holliday junction (HJ)
CC DNA during genetic recombination and DNA repair, while the RuvA-RuvB
CC complex plays an important role in the rescue of blocked DNA
CC replication forks via replication fork reversal (RFR). RuvA
CC specifically binds to HJ cruciform DNA, conferring on it an open
CC structure. The RuvB hexamer acts as an ATP-dependent pump, pulling
CC dsDNA into and through the RuvAB complex. HJ branch migration allows
CC RuvC to scan DNA until it finds its consensus sequence, where it
CC cleaves and resolves the cruciform DNA. {ECO:0000255|HAMAP-
CC Rule:MF_00031}.
CC -!- SUBUNIT: Homotetramer. Forms an RuvA(8)-RuvB(12)-Holliday junction (HJ)
CC complex. HJ DNA is sandwiched between 2 RuvA tetramers; dsDNA enters
CC through RuvA and exits via RuvB. An RuvB hexamer assembles on each DNA
CC strand where it exits the tetramer. Each RuvB hexamer is contacted by
CC two RuvA subunits (via domain III) on 2 adjacent RuvB subunits; this
CC complex drives branch migration. In the full resolvosome a probable
CC DNA-RuvA(4)-RuvB(12)-RuvC(2) complex forms which resolves the HJ.
CC {ECO:0000255|HAMAP-Rule:MF_00031}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00031}.
CC -!- DOMAIN: Has three domains with a flexible linker between the domains II
CC and III and assumes an 'L' shape. Domain III is highly mobile and
CC contacts RuvB. {ECO:0000255|HAMAP-Rule:MF_00031}.
CC -!- SIMILARITY: Belongs to the RuvA family. {ECO:0000255|HAMAP-
CC Rule:MF_00031}.
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DR EMBL; AP009256; BAF39585.1; -; Genomic_DNA.
DR RefSeq; WP_011743179.1; NC_008618.1.
DR AlphaFoldDB; A1A1K2; -.
DR SMR; A1A1K2; -.
DR STRING; 367928.BAD_0804; -.
DR PaxDb; 1680-BADO_0853; -.
DR KEGG; bad:BAD_0804; -.
DR HOGENOM; CLU_087936_2_1_11; -.
DR Proteomes; UP000008702; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0009379; C:Holliday junction helicase complex; IEA:InterPro.
DR GO; GO:0048476; C:Holliday junction resolvase complex; IEA:UniProtKB-UniRule.
DR GO; GO:0005524; F:ATP binding; IEA:InterPro.
DR GO; GO:0000400; F:four-way junction DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009378; F:four-way junction helicase activity; IEA:InterPro.
DR GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-UniRule.
DR GO; GO:0006281; P:DNA repair; IEA:UniProtKB-UniRule.
DR CDD; cd14332; UBA_RuvA_C; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR Gene3D; 1.10.8.10; DNA helicase RuvA subunit, C-terminal domain; 1.
DR Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
DR HAMAP; MF_00031; DNA_HJ_migration_RuvA; 1.
DR InterPro; IPR013849; DNA_helicase_Holl-junc_RuvA_I.
DR InterPro; IPR003583; Hlx-hairpin-Hlx_DNA-bd_motif.
DR InterPro; IPR012340; NA-bd_OB-fold.
DR InterPro; IPR000085; RuvA.
DR InterPro; IPR010994; RuvA_2-like.
DR InterPro; IPR011114; RuvA_C.
DR InterPro; IPR036267; RuvA_C_sf.
DR NCBIfam; TIGR00084; ruvA; 1.
DR Pfam; PF14520; HHH_5; 1.
DR Pfam; PF07499; RuvA_C; 1.
DR Pfam; PF01330; RuvA_N; 1.
DR SMART; SM00278; HhH1; 2.
DR SUPFAM; SSF46929; DNA helicase RuvA subunit, C-terminal domain; 1.
DR SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR SUPFAM; SSF47781; RuvA domain 2-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm; DNA damage; DNA recombination; DNA repair; DNA-binding;
KW Reference proteome.
FT CHAIN 1..205
FT /note="Holliday junction branch migration complex subunit
FT RuvA"
FT /id="PRO_1000002401"
FT REGION 1..63
FT /note="Domain I"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00031"
FT REGION 64..142
FT /note="Domain II"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00031"
FT REGION 143..145
FT /note="Flexible linker"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00031"
FT REGION 146..205
FT /note="Domain III"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00031"
SQ SEQUENCE 205 AA; 21428 MW; 9D4FA8427D5C7451 CRC64;
MIGMLRGHVE SVDAVSAIIE VGGVGYEVRM PSADLASMHA GQEIKVYTSL NVSQDAITLF
GFGTLASKRM FLQLQKVSGI GPKVALSLLS TLPPDRLARA VADGDATALA KAPGLGKKGA
QKIILELKGS IDLSQIEGSS ATASTPEDTG AEQVVEGLMS LGWHQQDAAH AVQTVCADNQ
IETPLNAKDV PRVLKLALTS LDRGR
//