ID A0A1W6MIW7_9FLAO Unreviewed; 666 AA.
AC A0A1W6MIW7;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 24-JAN-2024, entry version 24.
DE RecName: Full=UvrABC system protein B {ECO:0000256|ARBA:ARBA00029504, ECO:0000256|HAMAP-Rule:MF_00204};
DE Short=Protein UvrB {ECO:0000256|HAMAP-Rule:MF_00204};
DE AltName: Full=Excinuclease ABC subunit B {ECO:0000256|HAMAP-Rule:MF_00204};
GN Name=uvrB {ECO:0000256|HAMAP-Rule:MF_00204};
GN ORFNames=BST97_05885 {ECO:0000313|EMBL:ARN77555.1};
OS Nonlabens spongiae.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Nonlabens.
OX NCBI_TaxID=331648 {ECO:0000313|EMBL:ARN77555.1, ECO:0000313|Proteomes:UP000193431};
RN [1] {ECO:0000313|EMBL:ARN77555.1, ECO:0000313|Proteomes:UP000193431}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 13191 {ECO:0000313|EMBL:ARN77555.1,
RC ECO:0000313|Proteomes:UP000193431};
RA Kumagai Y.;
RT "Trade-off between light-utilization and light-protection in marine
RT flavobacteria.";
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The UvrABC repair system catalyzes the recognition and
CC processing of DNA lesions. A damage recognition complex composed of 2
CC UvrA and 2 UvrB subunits scans DNA for abnormalities. Upon binding of
CC the UvrA(2)B(2) complex to a putative damaged site, the DNA wraps
CC around one UvrB monomer. DNA wrap is dependent on ATP binding by UvrB
CC and probably causes local melting of the DNA helix, facilitating
CC insertion of UvrB beta-hairpin between the DNA strands. Then UvrB
CC probes one DNA strand for the presence of a lesion. If a lesion is
CC found the UvrA subunits dissociate and the UvrB-DNA preincision complex
CC is formed. This complex is subsequently bound by UvrC and the second
CC UvrB is released. If no lesion is found, the DNA wraps around the other
CC UvrB subunit that will check the other stand for damage.
CC {ECO:0000256|HAMAP-Rule:MF_00204}.
CC -!- SUBUNIT: Forms a heterotetramer with UvrA during the search for
CC lesions. Interacts with UvrC in an incision complex.
CC {ECO:0000256|ARBA:ARBA00026033, ECO:0000256|HAMAP-Rule:MF_00204,
CC ECO:0000256|RuleBase:RU003587}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00204, ECO:0000256|RuleBase:RU003587}.
CC -!- DOMAIN: The beta-hairpin motif is involved in DNA binding.
CC {ECO:0000256|HAMAP-Rule:MF_00204}.
CC -!- SIMILARITY: Belongs to the UvrB family. {ECO:0000256|ARBA:ARBA00008533,
CC ECO:0000256|HAMAP-Rule:MF_00204, ECO:0000256|RuleBase:RU003587}.
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DR EMBL; CP019344; ARN77555.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1W6MIW7; -.
DR STRING; 331648.BST97_05885; -.
DR OrthoDB; 9806651at2; -.
DR Proteomes; UP000193431; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0009380; C:excinuclease repair complex; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009381; F:excinuclease ABC activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006289; P:nucleotide-excision repair; IEA:UniProtKB-UniRule.
DR GO; GO:0009432; P:SOS response; IEA:UniProtKB-UniRule.
DR CDD; cd17916; DEXHc_UvrB; 1.
DR CDD; cd18790; SF2_C_UvrB; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 3.
DR Gene3D; 4.10.860.10; UVR domain; 1.
DR HAMAP; MF_00204; UvrB; 1.
DR InterPro; IPR006935; Helicase/UvrB_N.
DR InterPro; IPR014001; Helicase_ATP-bd.
DR InterPro; IPR001650; Helicase_C.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR001943; UVR_dom.
DR InterPro; IPR036876; UVR_dom_sf.
DR InterPro; IPR004807; UvrB.
DR InterPro; IPR041471; UvrB_inter.
DR InterPro; IPR024759; UvrB_YAD/RRR_dom.
DR NCBIfam; TIGR00631; uvrb; 1.
DR PANTHER; PTHR24029; UVRABC SYSTEM PROTEIN B; 1.
DR PANTHER; PTHR24029:SF0; UVRABC SYSTEM PROTEIN B; 1.
DR Pfam; PF00271; Helicase_C; 1.
DR Pfam; PF04851; ResIII; 1.
DR Pfam; PF02151; UVR; 1.
DR Pfam; PF12344; UvrB; 1.
DR Pfam; PF17757; UvrB_inter; 1.
DR SMART; SM00487; DEXDc; 1.
DR SMART; SM00490; HELICc; 1.
DR SUPFAM; SSF46600; C-terminal UvrC-binding domain of UvrB; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 2.
DR PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR PROSITE; PS51194; HELICASE_CTER; 1.
DR PROSITE; PS50151; UVR; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00204}; Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00204};
KW DNA damage {ECO:0000256|ARBA:ARBA00022763, ECO:0000256|HAMAP-
KW Rule:MF_00204};
KW DNA excision {ECO:0000256|ARBA:ARBA00022769, ECO:0000256|HAMAP-
KW Rule:MF_00204};
KW DNA repair {ECO:0000256|ARBA:ARBA00023204, ECO:0000256|HAMAP-
KW Rule:MF_00204};
KW Excision nuclease {ECO:0000256|ARBA:ARBA00022881, ECO:0000256|HAMAP-
KW Rule:MF_00204};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00204}; Reference proteome {ECO:0000313|Proteomes:UP000193431};
KW SOS response {ECO:0000256|HAMAP-Rule:MF_00204,
KW ECO:0000256|RuleBase:RU003587}.
FT DOMAIN 24..160
FT /note="Helicase ATP-binding"
FT /evidence="ECO:0000259|PROSITE:PS51192"
FT DOMAIN 429..595
FT /note="Helicase C-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51194"
FT DOMAIN 627..662
FT /note="UVR"
FT /evidence="ECO:0000259|PROSITE:PS50151"
FT COILED 623..666
FT /evidence="ECO:0000256|SAM:Coils"
FT MOTIF 90..113
FT /note="Beta-hairpin"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00204"
FT BINDING 37..44
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00204"
SQ SEQUENCE 666 AA; 76412 MW; F96DFC68096BF4BE CRC64;
MDFKIVSDFE PTGDQPQAID KIASGIEAGE RYQTLLGVTG SGKTFTAANV VERVQRPTLV
LCHNKTLAAQ LYNEFKTFFP DNAVEYFVSY YDYYQPEAFI PTSGTYIEKD LSINEEIEKL
RLSTTSSLLS GRRDIIVVAS VSCLYGIGNP VEFQKNVIRV QRDQVIARTD LLQKLVQSLY
SRTTAEFNRG NFRIKGDTLD VFPSYADTAF RIHFFGDEIE EIERFNPTDG KVIERFEQIT
IYPANMFVTS PNVLNNAIHS IEIDLGKQVE YFKEIGKPLE AKRLQERTEF DLEMIRELGY
CSGIENYSRY LDGREPGTRP FCLLDYFPED YLMIIDESHV SVPQVGAMYG GDRSRKENLV
DYGFRLPAAM DNRPLKFEEF EALQNQVLYV SATPADYELV KSEGIYVEQI IRPTGLLDPI
IEVRPSQNQI DDLVEEIRKR EELDERVLVT TLTKRMAEEL TKYLTRINVR CRYIHSDVDT
LERVEIMSDL RRGLFDVLIG VNLLREGLDL PEVSLVAILD ADKEGFLRNN RSLTQTIGRA
ARNVNGLAVL YADKITESMQ KTIDETEYRR SKQMAYNKEH GLEPRAIKKT LESALYRKNA
ATYAIEETLT LKAAEEEAEY LSKAQIEQKI RDTRKKMEKA AKDLDFMEAA KLRDQIKMLQ
EKVKAV
//