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ADDA_STAAB
ID   ADDA_STAAB              Reviewed;        1217 AA.
AC   Q2YWW4;
DT   07-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=ATP-dependent helicase/nuclease subunit A {ECO:0000255|HAMAP-Rule:MF_01451};
DE            EC=3.1.-.- {ECO:0000255|HAMAP-Rule:MF_01451};
DE            EC=3.6.4.12 {ECO:0000255|HAMAP-Rule:MF_01451};
DE   AltName: Full=ATP-dependent helicase/nuclease AddA {ECO:0000255|HAMAP-Rule:MF_01451};
GN   Name=addA {ECO:0000255|HAMAP-Rule:MF_01451}; OrderedLocusNames=SAB0836;
OS   Staphylococcus aureus (strain bovine RF122 / ET3-1).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=273036;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=bovine RF122 / ET3-1;
RX   PubMed=17971880; DOI=10.1371/journal.pone.0001120;
RA   Herron-Olson L., Fitzgerald J.R., Musser J.M., Kapur V.;
RT   "Molecular correlates of host specialization in Staphylococcus aureus.";
RL   PLoS ONE 2:E1120-E1120(2007).
CC   -!- FUNCTION: The heterodimer acts as both an ATP-dependent DNA helicase
CC       and an ATP-dependent, dual-direction single-stranded exonuclease.
CC       Recognizes the chi site generating a DNA molecule suitable for the
CC       initiation of homologous recombination. The AddA nuclease domain is
CC       required for chi fragment generation; this subunit has the helicase and
CC       3' -> 5' nuclease activities. {ECO:0000255|HAMAP-Rule:MF_01451}.
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=3.6.4.12;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01451};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01451};
CC   -!- SUBUNIT: Heterodimer of AddA and AddB/RexB. {ECO:0000255|HAMAP-
CC       Rule:MF_01451}.
CC   -!- SIMILARITY: Belongs to the helicase family. AddA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01451}.
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DR   EMBL; AJ938182; CAI80524.1; -; Genomic_DNA.
DR   RefSeq; WP_000154917.1; NC_007622.1.
DR   AlphaFoldDB; Q2YWW4; -.
DR   SMR; Q2YWW4; -.
DR   KEGG; sab:SAB0836; -.
DR   HOGENOM; CLU_001114_3_1_9; -.
DR   OMA; KQSIYRW; -.
DR   GO; GO:0008408; F:3'-5' exonuclease activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:RHEA.
DR   GO; GO:0003678; F:DNA helicase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003690; F:double-stranded DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000724; P:double-strand break repair via homologous recombination; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.300; -; 4.
DR   Gene3D; 3.90.320.10; -; 1.
DR   HAMAP; MF_01451; AddA; 1.
DR   InterPro; IPR014152; DNA_helicase_suAddA.
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; IPR011335; Restrct_endonuc-II-like.
DR   InterPro; IPR014016; UvrD-like_ATP-bd.
DR   PANTHER; PTHR11070; PTHR11070; 1.
DR   PANTHER; PTHR11070:SF48; PTHR11070:SF48; 1.
DR   Pfam; PF12705; PDDEXK_1; 1.
DR   Pfam; PF00580; UvrD-helicase; 1.
DR   Pfam; PF13361; UvrD_C; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   SUPFAM; SSF52980; SSF52980; 1.
DR   TIGRFAMs; TIGR02785; addA_Gpos; 1.
DR   PROSITE; PS51198; UVRD_HELICASE_ATP_BIND; 1.
DR   PROSITE; PS51217; UVRD_HELICASE_CTER; 1.
PE   3: Inferred from homology;
KW   ATP-binding; DNA damage; DNA repair; DNA-binding; Exonuclease; Helicase;
KW   Hydrolase; Nuclease; Nucleotide-binding.
FT   CHAIN           1..1217
FT                   /note="ATP-dependent helicase/nuclease subunit A"
FT                   /id="PRO_0000379307"
FT   DOMAIN          10..475
FT                   /note="UvrD-like helicase ATP-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01451"
FT   DOMAIN          491..786
FT                   /note="UvrD-like helicase C-terminal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01451"
FT   BINDING         31..38
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01451"
SQ   SEQUENCE   1217 AA;  141321 MW;  42F524A5FA4CD66F CRC64;
     MTIPEKPQGV IWTDAQWQSI YATGQDVLVA AAAGSGKTAV LVERIIQKIL RDGIDVDRLL
     VVTFTNLSAR EMKHRVDQRI QEASIADPAN AHLKNQRIKI HQAQISTLHS FCLKLIQQHY
     DVLNIDPNFR TSSEAENILL LEQTIDEVIE QHYDILDPAF IELTEQLSSD RSDDQFRMII
     KQLYFFSVAN PNPTNWLDQL VTPYEEEAQQ AQLIQILTDL SKVFITAAYD ALNKAYDLFS
     MMDGVDKHLA VIEDERRLMG RVLEGGFIDI PYLTGHEFGA RLPNITAKIK EANEMMVDAL
     KDAKLQYKKY KSLIDKVKSD YFSREADDLK ADMQQLAPRV KYLARIVKDV MSEFNRKKRS
     KNILDFSDYE HFALQILTNE DGSPSEIAES YRQHFQEILV DEYQDTNRVQ EKILSCIKTG
     DEHNGNLFMV GDVKQSIYKF RQADPSLFIE KYQRFTIDGD GTGRRMDLSQ NFRSRKEVLS
     TTNYIFKHMM DEQVGEVNYD ESAQLYYGAP YDESDHPVNL KVLIEADQEH SDLTGSEQEA
     HFIVEQVKDI LEHQKVYDMK TRSYRSATYK DIVILERSFG QARNLQQAFK NEDIPFHVNS
     REGYFEQTEV RLALSFLRAI DNPLQDIYLV GLMRSVIYQF KEDELAQIRI LSPNDDYFYQ
     SIVNYINDEA ADAILVDKLK MFLSDIQSYQ QYSKDHPVYQ LIDKFYNDHY VIQYFSGLIG
     GRGRRANLYG LFNKAIEFEN SSFRGLYQFI RFIDELIERG KDFGEENVVG PNDNVVRMMT
     IHSSKGLEFP FVIYSGLSKD FNKRDLKQPV ILNQQFGLGM DYFDVDKEMA FPSLASVAYR
     AVAEKELVSE EMRLVYVALT RAKEQLYLIG RVKNDKSLLE LEQLSISGEH IAVNERLTSP
     NPFHLIYSIL SKHQSASIPD DLKFEKDIAQ VEDSSRPNVN ISIIYFEDVS TETILDNDEY
     RSVNQLETMQ NGNEDVKAQI KHQLDYQYPY VNDTKKPSKQ SVSELKRQYE TEESGTSYER
     VRQYRIGFST YERPKFLSEQ GKRKANEIGT LMHTVMQHLP FKKERISEVE LHQYIDGLID
     KHIIEADAKK DIRMDEIMTF INSELYSIIA EAEQVYRELP FVVNQALVDQ LPQGDEDVSI
     IQGMIDLIFV KDGVHYFVDY KTDAFNRRRG MTDEEIGTQL KNKYKIQMKY YQNTLQTILN
     KEVKGYLYFF KFGTLQL
 
 
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