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FPG_XYLFT
ID   FPG_XYLFT               Reviewed;         271 AA.
AC   P64155; Q9P9S8;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 104.
DE   RecName: Full=Formamidopyrimidine-DNA glycosylase;
DE            Short=Fapy-DNA glycosylase;
DE            EC=3.2.2.23;
DE   AltName: Full=DNA-(apurinic or apyrimidinic site) lyase MutM;
DE            Short=AP lyase MutM;
DE            EC=4.2.99.18;
GN   Name=mutM1; Synonyms=fpg1; OrderedLocusNames=PD_0053;
GN   and
GN   Name=mutM2; Synonyms=fpg2; OrderedLocusNames=PD_0138;
OS   Xylella fastidiosa (strain Temecula1 / ATCC 700964).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xylella.
OX   NCBI_TaxID=183190;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Temecula1 / ATCC 700964;
RX   PubMed=12533478; DOI=10.1128/jb.185.3.1018-1026.2003;
RA   Van Sluys M.A., de Oliveira M.C., Monteiro-Vitorello C.B., Miyaki C.Y.,
RA   Furlan L.R., Camargo L.E.A., da Silva A.C.R., Moon D.H., Takita M.A.,
RA   Lemos E.G.M., Machado M.A., Ferro M.I.T., da Silva F.R., Goldman M.H.S.,
RA   Goldman G.H., Lemos M.V.F., El-Dorry H., Tsai S.M., Carrer H.,
RA   Carraro D.M., de Oliveira R.C., Nunes L.R., Siqueira W.J., Coutinho L.L.,
RA   Kimura E.T., Ferro E.S., Harakava R., Kuramae E.E., Marino C.L.,
RA   Giglioti E., Abreu I.L., Alves L.M.C., do Amaral A.M., Baia G.S.,
RA   Blanco S.R., Brito M.S., Cannavan F.S., Celestino A.V., da Cunha A.F.,
RA   Fenille R.C., Ferro J.A., Formighieri E.F., Kishi L.T., Leoni S.G.,
RA   Oliveira A.R., Rosa V.E. Jr., Sassaki F.T., Sena J.A.D., de Souza A.A.,
RA   Truffi D., Tsukumo F., Yanai G.M., Zaros L.G., Civerolo E.L.,
RA   Simpson A.J.G., Almeida N.F. Jr., Setubal J.C., Kitajima J.P.;
RT   "Comparative analyses of the complete genome sequences of Pierce's disease
RT   and citrus variegated chlorosis strains of Xylella fastidiosa.";
RL   J. Bacteriol. 185:1018-1026(2003).
CC   -!- FUNCTION: Involved in base excision repair of DNA damaged by oxidation
CC       or by mutagenic agents. Acts as DNA glycosylase that recognizes and
CC       removes damaged bases. Has a preference for oxidized purines, such as
CC       7,8-dihydro-8-oxoguanine (8-oxoG). Has AP (apurinic/apyrimidinic) lyase
CC       activity and introduces nicks in the DNA strand. Cleaves the DNA
CC       backbone by beta-delta elimination to generate a single-strand break at
CC       the site of the removed base with both 3'- and 5'-phosphates (By
CC       similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of DNA containing ring-opened 7-methylguanine
CC         residues, releasing 2,6-diamino-4-hydroxy-5-(N-
CC         methyl)formamidopyrimidine.; EC=3.2.2.23;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2'-deoxyribonucleotide-(2'-deoxyribose 5'-phosphate)-2'-
CC         deoxyribonucleotide-DNA = a 3'-end 2'-deoxyribonucleotide-(2,3-
CC         dehydro-2,3-deoxyribose 5'-phosphate)-DNA + a 5'-end 5'-monophospho-
CC         2'-deoxyribonucleoside-DNA + H(+); Xref=Rhea:RHEA:66592, Rhea:RHEA-
CC         COMP:13180, Rhea:RHEA-COMP:16897, Rhea:RHEA-COMP:17067,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:136412, ChEBI:CHEBI:157695,
CC         ChEBI:CHEBI:167181; EC=4.2.99.18;
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the FPG family. {ECO:0000305}.
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DR   EMBL; AE009442; AAO27954.1; -; Genomic_DNA.
DR   EMBL; AE009442; AAO28032.1; -; Genomic_DNA.
DR   RefSeq; WP_004085054.1; NC_004556.1.
DR   AlphaFoldDB; P64155; -.
DR   SMR; P64155; -.
DR   EnsemblBacteria; AAO27954; AAO27954; PD_0053.
DR   EnsemblBacteria; AAO28032; AAO28032; PD_0138.
DR   GeneID; 58015696; -.
DR   KEGG; xft:PD_0053; -.
DR   KEGG; xft:PD_0138; -.
DR   HOGENOM; CLU_038423_1_1_6; -.
DR   OMA; GVHLRMT; -.
DR   Proteomes; UP000002516; Chromosome.
DR   GO; GO:0140078; F:class I DNA-(apurinic or apyrimidinic site) endonuclease activity; IEA:UniProtKB-EC.
DR   GO; GO:0003684; F:damaged DNA binding; IEA:InterPro.
DR   GO; GO:0008534; F:oxidized purine nucleobase lesion DNA N-glycosylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006284; P:base-excision repair; IEA:InterPro.
DR   Gene3D; 3.20.190.10; -; 1.
DR   HAMAP; MF_00103; Fapy_DNA_glycosyl; 1.
DR   InterPro; IPR015886; DNA_glyclase/AP_lyase_DNA-bd.
DR   InterPro; IPR015887; DNA_glyclase_Znf_dom_DNA_BS.
DR   InterPro; IPR020629; Formamido-pyr_DNA_Glyclase.
DR   InterPro; IPR012319; FPG_cat.
DR   InterPro; IPR035937; MutM-like_N-ter.
DR   InterPro; IPR010979; Ribosomal_S13-like_H2TH.
DR   InterPro; IPR000214; Znf_DNA_glyclase/AP_lyase.
DR   Pfam; PF01149; Fapy_DNA_glyco; 1.
DR   Pfam; PF06831; H2TH; 1.
DR   SMART; SM00898; Fapy_DNA_glyco; 1.
DR   SMART; SM01232; H2TH; 1.
DR   SUPFAM; SSF46946; SSF46946; 1.
DR   SUPFAM; SSF81624; SSF81624; 1.
DR   TIGRFAMs; TIGR00577; fpg; 1.
DR   PROSITE; PS51068; FPG_CAT; 1.
DR   PROSITE; PS01242; ZF_FPG_1; 1.
DR   PROSITE; PS51066; ZF_FPG_2; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA repair; DNA-binding; Glycosidase; Hydrolase; Lyase;
KW   Metal-binding; Multifunctional enzyme; Zinc; Zinc-finger.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..271
FT                   /note="Formamidopyrimidine-DNA glycosylase"
FT                   /id="PRO_0000170889"
FT   ZN_FING         237..271
FT                   /note="FPG-type"
FT   ACT_SITE        2
FT                   /note="Schiff-base intermediate with DNA"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        3
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        58
FT                   /note="Proton donor; for beta-elimination activity"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        261
FT                   /note="Proton donor; for delta-elimination activity"
FT                   /evidence="ECO:0000250"
FT   BINDING         92
FT                   /ligand="DNA"
FT                   /ligand_id="ChEBI:CHEBI:16991"
FT                   /evidence="ECO:0000250"
FT   BINDING         111
FT                   /ligand="DNA"
FT                   /ligand_id="ChEBI:CHEBI:16991"
FT                   /evidence="ECO:0000250"
FT   BINDING         152
FT                   /ligand="DNA"
FT                   /ligand_id="ChEBI:CHEBI:16991"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   271 AA;  31091 MW;  3FF8AFA1617695DF CRC64;
     MPELPEVETT LRGLLPYLTN QLIYSLTLRR RTLRWDIPSH IESRLPGHRI TTVCRRAKYL
     LIDTNAGGSL IIHLGMSGTL RLLAPETPLR PHDHVDIMLN NRRVLRFNDP RRFGCLLWQE
     DGQIHPLLQR LGCEPLSDSF NGDYLYQCSR ARNVSVKTFL MDQRIVVGVG NIYAAESLFR
     AGISPLCEAD KISLQRYRRL AEVVKDILLY AINRGGTTLR DFLSPDGRPG YFKQELFVYG
     RQQQPCKQCG SLLRQTTIRQ RTTVWCGHCQ G
 
 
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