ID FPG_PROMA Reviewed; 283 AA. AC Q7VDK6; DT 15-DEC-2003, integrated into UniProtKB/Swiss-Prot. DT 23-JAN-2007, sequence version 3. DT 27-MAR-2024, entry version 120. 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=Pro_0370; OS Prochlorococcus marinus (strain SARG / CCMP1375 / SS120). OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; OC Prochlorococcaceae; Prochlorococcus. OX NCBI_TaxID=167539; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=SARG / CCMP1375 / SS120; RX PubMed=12917486; DOI=10.1073/pnas.1733211100; RA Dufresne A., Salanoubat M., Partensky F., Artiguenave F., Axmann I.M., RA Barbe V., Duprat S., Galperin M.Y., Koonin E.V., Le Gall F., Makarova K.S., RA Ostrowski M., Oztas S., Robert C., Rogozin I.B., Scanlan D.J., RA Tandeau de Marsac N., Weissenbach J., Wincker P., Wolf Y.I., Hess W.R.; RT "Genome sequence of the cyanobacterium Prochlorococcus marinus SS120, a RT nearly minimal oxyphototrophic genome."; RL Proc. Natl. Acad. Sci. U.S.A. 100:10020-10025(2003). CC -!- FUNCTION: Involved in base excision repair of DNA damaged by oxidation CC or by mutagenic agents. Acts as a 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; Evidence={ECO:0000255|HAMAP- CC 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AE017126; AAP99416.1; -; Genomic_DNA. DR RefSeq; NP_874764.1; NC_005042.1. DR RefSeq; WP_011124525.1; NC_005042.1. DR AlphaFoldDB; Q7VDK6; -. DR SMR; Q7VDK6; -. DR STRING; 167539.Pro_0370; -. DR EnsemblBacteria; AAP99416; AAP99416; Pro_0370. DR KEGG; pma:Pro_0370; -. DR PATRIC; fig|167539.5.peg.378; -. DR eggNOG; COG0266; Bacteria. DR HOGENOM; CLU_038423_1_2_3; -. DR OrthoDB; 9800855at2; -. DR Proteomes; UP000001420; 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 CDD; cd08966; EcFpg-like_N; 1. DR Gene3D; 1.10.8.50; -; 1. DR Gene3D; 3.20.190.10; MutM-like, N-terminal; 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_uS13-like_H2TH. DR InterPro; IPR000214; Znf_DNA_glyclase/AP_lyase. DR InterPro; IPR010663; Znf_FPG/IleRS. DR NCBIfam; TIGR00577; fpg; 1. DR PANTHER; PTHR22993:SF9; ENDONUCLEASE 8-LIKE 1; 1. DR PANTHER; PTHR22993; FORMAMIDOPYRIMIDINE-DNA GLYCOSYLASE; 1. 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; SSF57716; Glucocorticoid receptor-like (DNA-binding domain); 1. DR SUPFAM; SSF81624; N-terminal domain of MutM-like DNA repair proteins; 1. DR SUPFAM; SSF46946; S13-like H2TH domain; 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..283 FT /note="Formamidopyrimidine-DNA glycosylase" FT /id="PRO_0000170849" FT ZN_FING 249..283 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 60 FT /note="Proton donor; for beta-elimination activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT ACT_SITE 273 FT /note="Proton donor; for delta-elimination activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 100 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 119 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 164 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" SQ SEQUENCE 283 AA; 32298 MW; B19BEBC495F79F54 CRC64; MPELPEVETV KRGLKNRLKD FYIHDVEVIT PRSISSEGGS KAFVKNIIGL KSGEWTRRGK YLICSLHSSD REEIAGWWVV HLRMTGQFQW FQKKTKSCKH TRVRIWNKDG AEIRFVDTRN FGQMWWISPT FLPTEKITGL KKLGPEPFSK EFNPFYLQES LKKRKRSIKS SLLDQSIVAG AGNIYADESL FQAGILPTKE SKKLNKTEIK KICTSLTHIL KISIGEGGTS FKDFRDLEGV NGKYGGQAWV YGRENKPCRK CGVKILKAKV AGRGTHWCPN CQK //