ID N9LR63_9GAMM Unreviewed; 591 AA.
AC N9LR63;
DT 26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT 26-JUN-2013, sequence version 1.
DT 27-MAR-2024, entry version 40.
DE RecName: Full=RecBCD enzyme subunit RecD {ECO:0000256|HAMAP-Rule:MF_01487};
DE EC=3.1.11.5 {ECO:0000256|HAMAP-Rule:MF_01487};
DE AltName: Full=Exonuclease V subunit RecD {ECO:0000256|HAMAP-Rule:MF_01487};
DE Short=ExoV subunit RecD {ECO:0000256|HAMAP-Rule:MF_01487};
DE AltName: Full=Helicase/nuclease RecBCD subunit RecD {ECO:0000256|HAMAP-Rule:MF_01487};
GN Name=recD {ECO:0000256|HAMAP-Rule:MF_01487};
GN ORFNames=F900_02882 {ECO:0000313|EMBL:ENW98797.1};
OS Acinetobacter modestus.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter.
OX NCBI_TaxID=1776740 {ECO:0000313|EMBL:ENW98797.1, ECO:0000313|Proteomes:UP000013248};
RN [1] {ECO:0000313|EMBL:ENW98797.1, ECO:0000313|Proteomes:UP000013248}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ANC 3862 {ECO:0000313|EMBL:ENW98797.1,
RC ECO:0000313|Proteomes:UP000013248};
RG The Broad Institute Genome Sequencing Platform;
RG The Broad Institute Genome Sequencing Center for Infectious Disease;
RA Cerqueira G., Feldgarden M., Courvalin P., Perichon B.,
RA Grillot-Courvalin C., Clermont D., Rocha E., Yoon E.-J., Nemec A.,
RA Walker B., Young S.K., Zeng Q., Gargeya S., Fitzgerald M., Haas B.,
RA Abouelleil A., Alvarado L., Arachchi H.M., Berlin A.M., Chapman S.B.,
RA Dewar J., Goldberg J., Griggs A., Gujja S., Hansen M., Howarth C.,
RA Imamovic A., Larimer J., McCowan C., Murphy C., Neiman D., Pearson M.,
RA Priest M., Roberts A., Saif S., Shea T., Sisk P., Sykes S., Wortman J.,
RA Nusbaum C., Birren B.;
RT "The Genome Sequence of Acinetobacter sp. ANC 3862.";
RL Submitted (FEB-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: A helicase/nuclease that prepares dsDNA breaks (DSB) for
CC recombinational DNA repair. Binds to DSBs and unwinds DNA via a highly
CC rapid and processive ATP-dependent bidirectional helicase activity.
CC Unwinds dsDNA until it encounters a Chi (crossover hotspot instigator)
CC sequence from the 3' direction. Cuts ssDNA a few nucleotides 3' to the
CC Chi site. The properties and activities of the enzyme are changed at
CC Chi. The Chi-altered holoenzyme produces a long 3'-ssDNA overhang and
CC facilitates RecA-binding to the ssDNA for homologous DNA recombination
CC and repair. Holoenzyme degrades any linearized DNA that is unable to
CC undergo homologous recombination. In the holoenzyme this subunit has
CC ssDNA-dependent ATPase and 5'-3' helicase activity. When added to pre-
CC assembled RecBC greatly stimulates nuclease activity and augments
CC holoenzyme processivity. Negatively regulates the RecA-loading ability
CC of RecBCD. {ECO:0000256|HAMAP-Rule:MF_01487}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Exonucleolytic cleavage (in the presence of ATP) in either
CC 5'- to 3'- or 3'- to 5'-direction to yield 5'-
CC phosphooligonucleotides.; EC=3.1.11.5; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01487};
CC -!- SUBUNIT: Heterotrimer of RecB, RecC and RecD. All subunits contribute
CC to DNA-binding. {ECO:0000256|HAMAP-Rule:MF_01487}.
CC -!- SIMILARITY: Belongs to the RecD family. {ECO:0000256|HAMAP-
CC Rule:MF_01487}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ENW98797.1}.
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DR EMBL; APRP01000031; ENW98797.1; -; Genomic_DNA.
DR AlphaFoldDB; N9LR63; -.
DR STRING; 1217705.F900_02882; -.
DR PATRIC; fig|1217705.3.peg.2798; -.
DR eggNOG; COG0507; Bacteria.
DR HOGENOM; CLU_007524_1_1_6; -.
DR Proteomes; UP000013248; Unassembled WGS sequence.
DR GO; GO:0009338; C:exodeoxyribonuclease V complex; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003678; F:DNA helicase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008854; F:exodeoxyribonuclease V activity; IEA:UniProtKB-EC.
DR GO; GO:0000724; P:double-strand break repair via homologous recombination; IEA:UniProtKB-UniRule.
DR CDD; cd17933; DEXSc_RecD-like; 1.
DR CDD; cd18809; SF1_C_RecD; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR HAMAP; MF_01487; RecD; 1.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR006344; RecD.
DR InterPro; IPR041451; RecD-like_SH13.
DR InterPro; IPR027785; UvrD-like_helicase_C.
DR NCBIfam; TIGR01447; recD; 1.
DR PANTHER; PTHR43788; DNA2/NAM7 HELICASE FAMILY MEMBER; 1.
DR PANTHER; PTHR43788:SF6; RECBCD ENZYME SUBUNIT RECD; 1.
DR Pfam; PF13245; AAA_19; 1.
DR Pfam; PF18335; SH3_13; 1.
DR Pfam; PF13538; UvrD_C_2; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01487}; DNA damage {ECO:0000256|HAMAP-Rule:MF_01487};
KW DNA repair {ECO:0000256|HAMAP-Rule:MF_01487};
KW DNA-binding {ECO:0000256|HAMAP-Rule:MF_01487};
KW Exonuclease {ECO:0000256|HAMAP-Rule:MF_01487};
KW Helicase {ECO:0000256|HAMAP-Rule:MF_01487};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_01487};
KW Nuclease {ECO:0000256|HAMAP-Rule:MF_01487};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01487}.
FT DOMAIN 437..496
FT /note="RecD-like DNA helicase SH3"
FT /evidence="ECO:0000259|Pfam:PF18335"
FT DOMAIN 515..559
FT /note="UvrD-like helicase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF13538"
FT BINDING 154..161
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01487"
SQ SEQUENCE 591 AA; 66201 MW; C20611B259563D79 CRC64;
MGKCEDNSVD KQIGHQPEQM TWLNMWSNYL AQVPFSQSAQ AVNAAEVLQQ LVEASLQGDS
CIEADRAQIE ALADLAISSE NAITQVAPCV YDQQGLALYR YWSLEQRLAQ QICRLKRQTI
QVVNPEIFQN LLSDEHQQAA LKMVLQQWLS IITGGPGTGK TYTLARIIAA LNQTIPDIRI
AMAAPTGKAA QRMQEALQNS FNDPKLLVSG LITDELRNQT TQTLHRLLGL GNRQIARFNQ
KQPLPYDVIV VDEASMLDLN LATLLFEAVP DQCRIILLGD ANQLASVDVG SVLADLQQVQ
TLTENRVQLQ TSRRFSGEAK IGQFARFIQA QQHVSDPDLV LSKLEAEIVQ AAPLQTITLS
KDMPDLIQLE YLPEPQQVDI ELYQNKLMAG FHAYIEALKH YIQADGPAEQ IQHVIQAFDD
YRILTAVRHG PLGIEQLNRY AGHWLNQQLK QIAVGDWYIG RPVMMTYNEY QLGISNGDIG
ICFKHRTQSQ QFEVFFPSLN KWIAAHRLPR SMQTAFALTI HKSQGSEFTH TAIVLDAHAE
KLLSQELIYT AVTRAKKVVS ILADRKALQQ SLITRTVRRS GLVQKINLGG L
//