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FPG_STRP1
ID   FPG_STRP1               Reviewed;         275 AA.
AC   Q9A131; Q490E2;
DT   06-JUN-2002, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 145.
DE   RecName: Full=Formamidopyrimidine-DNA glycosylase {ECO:0000255|HAMAP-Rule:MF_00103};
DE            Short=Fapy-DNA glycosylase {ECO:0000255|HAMAP-Rule:MF_00103};
DE            EC=3.2.2.23 {ECO:0000255|HAMAP-Rule:MF_00103};
DE   AltName: Full=DNA-(apurinic or apyrimidinic site) lyase MutM {ECO:0000255|HAMAP-Rule:MF_00103};
DE            Short=AP lyase MutM {ECO:0000255|HAMAP-Rule:MF_00103};
DE            EC=4.2.99.18 {ECO:0000255|HAMAP-Rule:MF_00103};
GN   Name=mutM {ECO:0000255|HAMAP-Rule:MF_00103};
GN   Synonyms=fpg {ECO:0000255|HAMAP-Rule:MF_00103};
GN   OrderedLocusNames=SPy_0497, M5005_Spy0408;
OS   Streptococcus pyogenes serotype M1.
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=301447;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700294 / SF370 / Serotype M1;
RX   PubMed=11296296; DOI=10.1073/pnas.071559398;
RA   Ferretti J.J., McShan W.M., Ajdic D.J., Savic D.J., Savic G., Lyon K.,
RA   Primeaux C., Sezate S., Suvorov A.N., Kenton S., Lai H.S., Lin S.P.,
RA   Qian Y., Jia H.G., Najar F.Z., Ren Q., Zhu H., Song L., White J., Yuan X.,
RA   Clifton S.W., Roe B.A., McLaughlin R.E.;
RT   "Complete genome sequence of an M1 strain of Streptococcus pyogenes.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:4658-4663(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-947 / MGAS5005 / Serotype M1;
RX   PubMed=16088826; DOI=10.1086/432514;
RA   Sumby P., Porcella S.F., Madrigal A.G., Barbian K.D., Virtaneva K.,
RA   Ricklefs S.M., Sturdevant D.E., Graham M.R., Vuopio-Varkila J., Hoe N.P.,
RA   Musser J.M.;
RT   "Evolutionary origin and emergence of a highly successful clone of serotype
RT   M1 group A Streptococcus involved multiple horizontal gene transfer
RT   events.";
RL   J. Infect. Dis. 192:771-782(2005).
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.
CC       {ECO:0000255|HAMAP-Rule:MF_00103}.
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         Evidence={ECO:0000255|HAMAP-Rule:MF_00103};
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00103};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00103};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00103};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00103}.
CC   -!- SIMILARITY: Belongs to the FPG family. {ECO:0000255|HAMAP-
CC       Rule:MF_00103}.
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DR   EMBL; AE004092; AAK33498.1; -; Genomic_DNA.
DR   EMBL; CP000017; AAZ51026.1; -; Genomic_DNA.
DR   RefSeq; NP_268777.1; NC_002737.2.
DR   AlphaFoldDB; Q9A131; -.
DR   SMR; Q9A131; -.
DR   STRING; 1314.HKU360_00432; -.
DR   PaxDb; Q9A131; -.
DR   EnsemblBacteria; AAK33498; AAK33498; SPy_0497.
DR   KEGG; spy:SPy_0497; -.
DR   KEGG; spz:M5005_Spy0408; -.
DR   PATRIC; fig|160490.10.peg.423; -.
DR   HOGENOM; CLU_038423_1_2_9; -.
DR   OMA; GVHLRMT; -.
DR   Proteomes; UP000000750; 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   InterPro; IPR010663; Znf_FPG/IleRS.
DR   Pfam; PF01149; Fapy_DNA_glyco; 1.
DR   Pfam; PF06831; H2TH; 1.
DR   Pfam; PF06827; zf-FPG_IleRS; 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; Reference proteome; Zinc;
KW   Zinc-finger.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..275
FT                   /note="Formamidopyrimidine-DNA glycosylase"
FT                   /id="PRO_0000170871"
FT   ZN_FING         238..272
FT                   /note="FPG-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   ACT_SITE        2
FT                   /note="Schiff-base intermediate with DNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   ACT_SITE        3
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   ACT_SITE        58
FT                   /note="Proton donor; for beta-elimination activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   ACT_SITE        262
FT                   /note="Proton donor; for delta-elimination activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   BINDING         91
FT                   /ligand="DNA"
FT                   /ligand_id="ChEBI:CHEBI:16991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
FT   BINDING         110
FT                   /ligand="DNA"
FT                   /ligand_id="ChEBI:CHEBI:16991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00103"
SQ   SEQUENCE   275 AA;  30702 MW;  11DF7D4CE2EE6D9E CRC64;
     MPELPEVETV RRGLETLVLG QEIVAVTLKV PKMVKTDLET FALTLPGQII QSVGRRGKYL
     LIDLGQLVLV SHLRMEGKYL LFPDEVPDNK HFHVFFELKN GSTLVYQDVR KFGTFDLIAK
     SQLSAFFAKR KLGPEPKKET FKLKTFEAAL LSSQKPIKPH LLDQTLVAGL GNIYVDEVLW
     AAKVHPETAS SRLNKAEIKR LHDETIRILA LGIEKGGSTV RTYRNALGAD GTMQDYLQVY
     GQTGKPCPRC GQAIVKLKVG GRGTHICPKC QKKRL
 
 
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