ID I8UD74_9ALTE Unreviewed; 1267 AA.
AC I8UD74;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 61.
DE RecName: Full=RecBCD enzyme subunit RecB {ECO:0000256|HAMAP-Rule:MF_01485};
DE EC=3.1.11.5 {ECO:0000256|HAMAP-Rule:MF_01485};
DE AltName: Full=Exonuclease V subunit RecB {ECO:0000256|HAMAP-Rule:MF_01485};
DE Short=ExoV subunit RecB {ECO:0000256|HAMAP-Rule:MF_01485};
DE AltName: Full=Helicase/nuclease RecBCD subunit RecB {ECO:0000256|HAMAP-Rule:MF_01485};
GN Name=recB {ECO:0000256|HAMAP-Rule:MF_01485};
GN ORFNames=AGRI_03584 {ECO:0000313|EMBL:EIW89943.1};
OS Alishewanella agri BL06.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Alishewanella.
OX NCBI_TaxID=1195246 {ECO:0000313|EMBL:EIW89943.1, ECO:0000313|Proteomes:UP000035062};
RN [1] {ECO:0000313|EMBL:EIW89943.1, ECO:0000313|Proteomes:UP000035062}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BL06 {ECO:0000313|EMBL:EIW89943.1,
RC ECO:0000313|Proteomes:UP000035062};
RX PubMed=22933763; DOI=10.1128/JB.01129-12;
RA Kim J., Jung J., Sung J.S., Chun J., Park W.;
RT "Genome Sequence of Pectin-Degrading Alishewanella agri, Isolated from
RT Landfill Soil.";
RL J. Bacteriol. 194:5135-5136(2012).
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
CC contributes ATPase, 3'-5' helicase, exonuclease activity and loads RecA
CC onto ssDNA. {ECO:0000256|HAMAP-Rule:MF_01485}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O = ADP + H(+) + phosphate; Xref=Rhea:RHEA:13065,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=5.6.2.4;
CC Evidence={ECO:0000256|ARBA:ARBA00034618};
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_01485};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01485};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01485};
CC -!- SUBUNIT: Heterotrimer of RecB, RecC and RecD. All subunits contribute
CC to DNA-binding. Interacts with RecA. {ECO:0000256|HAMAP-Rule:MF_01485}.
CC -!- DOMAIN: The C-terminal domain has nuclease activity and interacts with
CC RecD. It interacts with RecA, facilitating its loading onto ssDNA.
CC {ECO:0000256|HAMAP-Rule:MF_01485}.
CC -!- DOMAIN: The N-terminal DNA-binding domain is a ssDNA-dependent ATPase
CC and has ATP-dependent 3'-5' helicase function. This domain interacts
CC with RecC. {ECO:0000256|HAMAP-Rule:MF_01485}.
CC -!- SIMILARITY: Belongs to the helicase family. UvrD subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01485}.
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:EIW89943.1}.
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DR EMBL; AKKU01000009; EIW89943.1; -; Genomic_DNA.
DR RefSeq; WP_008983648.1; NZ_AKKU01000009.1.
DR AlphaFoldDB; I8UD74; -.
DR STRING; 1195246.AGRI_03584; -.
DR PATRIC; fig|1195246.3.peg.699; -.
DR eggNOG; COG1074; Bacteria.
DR Proteomes; UP000035062; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:RHEA.
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:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000724; P:double-strand break repair via homologous recombination; IEA:UniProtKB-UniRule.
DR CDD; cd22352; RecB_C-like; 1.
DR Gene3D; 3.90.320.10; -; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR Gene3D; 1.10.3170.10; Recbcd, chain B, domain 2; 1.
DR HAMAP; MF_01485; RecB; 1.
DR InterPro; IPR014017; DNA_helicase_UvrD-like_C.
DR InterPro; IPR000212; DNA_helicase_UvrD/REP.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR011604; PDDEXK-like_dom_sf.
DR InterPro; IPR038726; PDDEXK_AddAB-type.
DR InterPro; IPR004586; RecB.
DR InterPro; IPR011335; Restrct_endonuc-II-like.
DR InterPro; IPR014016; UvrD-like_ATP-bd.
DR NCBIfam; TIGR00609; recB; 1.
DR PANTHER; PTHR11070:SF23; RECBCD ENZYME SUBUNIT RECB; 1.
DR PANTHER; PTHR11070; UVRD / RECB / PCRA DNA HELICASE FAMILY MEMBER; 1.
DR Pfam; PF12705; PDDEXK_1; 1.
DR Pfam; PF00580; UvrD-helicase; 1.
DR Pfam; PF13361; UvrD_C; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF52980; Restriction endonuclease-like; 1.
DR PROSITE; PS51198; UVRD_HELICASE_ATP_BIND; 1.
DR PROSITE; PS51217; UVRD_HELICASE_CTER; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW DNA damage {ECO:0000256|ARBA:ARBA00022763, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW DNA repair {ECO:0000256|ARBA:ARBA00023204, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW Exonuclease {ECO:0000256|ARBA:ARBA00022839, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW Helicase {ECO:0000256|ARBA:ARBA00022806, ECO:0000256|HAMAP-Rule:MF_01485};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01485};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01485};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01485};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_01485};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01485}; Reference proteome {ECO:0000313|Proteomes:UP000035062}.
FT DOMAIN 1..469
FT /note="UvrD-like helicase ATP-binding"
FT /evidence="ECO:0000259|PROSITE:PS51198"
FT DOMAIN 508..793
FT /note="UvrD-like helicase C-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51217"
FT REGION 1..887
FT /note="DNA-binding and helicase activity, interacts with
FT RecC"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
FT REGION 946..1267
FT /note="Nuclease activity, interacts with RecD and RecA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
FT ACT_SITE 1161
FT /note="For nuclease activity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
FT BINDING 21..28
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00560"
FT BINDING 1030
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
FT BINDING 1148
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
FT BINDING 1161
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01485"
SQ SEQUENCE 1267 AA; 140015 MW; BD0298BECE534099 CRC64;
MSQELTSPLQ LPLHGSVLIE ASAGTGKTYT IAALYLRFIL AHLPRLTAAA SRSTPLLPAD
ILVVTFTKAA TAELKDRIRQ RLVEAAAVFR DASASADPVL QALKADFAPQ HWPECAYALQ
MASEAMDEAS VKTIHSWCQQ VLREHAFNSG SLFQQELLTD LSALQLEAVR DFWRSCCYPL
PSEQLQQIQA LYREPEALLD DLRPLWAQAS ASSEPVQLAE LLLAAEQAYQ QRLSSAFYYW
QQALPAWLDW IAAAEAAGSF SKPRTYNLKK ARQDFAPLLD WTALPVAEAL QQLPELKTSF
VDNYGKQFYQ HYQGEPLAAD WPAALLELVA LLSGGPSLRP LLLPKAVTWC KARLEQQLQQ
QAKMGFDDII QQCRRALEGD AGPALAAILR QQYPVAMIDE FQDTDPAQYA IFNAVYQLAS
NAAAQAVYLI GDPKQAIYAF RGGDIFTYLQ ARRDTLGRHY TLTTNFRSSK QMVAAVNALF
RPAEQSAARQ AFLFADSSGN PLPFTEVNAR GVKAELVIDG QPAAAALTLW TASAGSFDEG
ADDSKALSKT LYREQLAGRV ADYIGALLGS AAAGRTGFML RHEAATATTL QPLQSKDIAI
LVSTHQEGHL IQQQLRERGM ASVYLSDRNS VFDSEVAGDL YLLLQACAEP ANQQALLNAL
YTPLVALPLA QLDALRHDDR LWQQYQEWFY QFSHCWQQRG VLALIRQLVQ QFQVAERVLA
NAGGERYLTD LLHLAELLQQ ASVKLDGVHA VLRYFYQHLY QQEAITQPAD DQIVRLESDA
ELIQIVTIHK SKGLEYPLVF LPFISLCRPV SHDDRLVSFH NEAGELVQSL TPGKLELATA
DQERLGEDIR KLYVAVTRAK YATWLSLSPV GDWQRSALAY LLGCDQATEP LQLLQQAEAL
WPANANDIQV VALPAFSTPQ HLPPVLSGSA SQFAARQRNT AQPFVPWWIA SYSALTYGAA
SQGDTALEHN LLEEQASALL AEAMPDASPE ALAADSTVQF AAVAQSLPAT PDLVSLHDFP
RGAGPGTLLH NLLQDAAEHG FAAVAADPEL CQSLVARRCR HGSWAQRAEL LGRWLHGYLQ
LSFPLPGGGQ VALNALRSYR AEPEFWFAVQ GGSTRQLDKR VNAAVLAGAA RPELSRNYLN
GMLKGFIDLL FEHQGKYYVL DYKSNYLGPD DAAYHPAAMQ QKILQSRYEL QYVLYSLALH
KLLKARLKDA YSYQQHVGGV VYLFLRGQQA SSRGAFIDRV PESLILSLEQ YFMQQEPQSA
VEVADAD
//
