ID FPG_VIBCH Reviewed; 269 AA. AC Q9KVC5; DT 06-JUN-2002, integrated into UniProtKB/Swiss-Prot. DT 23-JAN-2007, sequence version 3. DT 28-JAN-2026, entry version 135. 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=VC_0221; OS Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961). OC Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Vibrionales; OC Vibrionaceae; Vibrio. OX NCBI_TaxID=243277; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 39315 / El Tor Inaba N16961; RX PubMed=10952301; DOI=10.1038/35020000; RA Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L., RA Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R., RA Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D., RA Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A., RA Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L., RA Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.; RT "DNA sequence of both chromosomes of the cholera pathogen Vibrio RT cholerae."; RL Nature 406:477-483(2000). 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'-phospho-2'- CC 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; AE003852; AAF93397.1; -; Genomic_DNA. DR PIR; G82347; G82347. DR RefSeq; WP_001114647.1; NC_002505.1. DR AlphaFoldDB; Q9KVC5; -. DR SMR; Q9KVC5; -. DR STRING; 243277.VC_0221; -. DR DNASU; 2614281; -. DR EnsemblBacteria; AAF93397; AAF93397; VC_0221. DR KEGG; vch:VC_0221; -. DR PATRIC; fig|243277.26.peg.203; -. DR eggNOG; COG0266; Bacteria. DR HOGENOM; CLU_038423_1_1_6; -. DR Proteomes; UP000000584; Chromosome I. DR GO; GO:0034039; F:8-oxo-7,8-dihydroguanine DNA N-glycosylase activity; IBA:GO_Central. 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:0003906; F:DNA-(apurinic or apyrimidinic site) endonuclease activity; IBA:GO_Central. DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0006284; P:base-excision repair; IBA:GO_Central. DR CDD; cd08966; EcFpg-like_N; 1. DR FunFam; 1.10.8.50:FF:000003; Formamidopyrimidine-DNA glycosylase; 1. DR FunFam; 3.20.190.10:FF:000001; Formamidopyrimidine-DNA glycosylase; 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; IPR015887; DNA_glyclase_Znf_dom_DNA_BS. DR InterPro; IPR012319; FPG_cat. DR InterPro; IPR020629; FPG_Glyclase. DR InterPro; IPR035937; FPG_N. DR InterPro; IPR015886; H2TH_FPG. 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 NCBIfam; NF002211; PRK01103.1; 1. DR PANTHER; PTHR22993; FORMAMIDOPYRIMIDINE-DNA GLYCOSYLASE; 1. DR PANTHER; PTHR22993:SF9; 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..269 FT /note="Formamidopyrimidine-DNA glycosylase" FT /id="PRO_0000170882" FT ZN_FING 235..269 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 57 FT /note="Proton donor; for beta-elimination activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT ACT_SITE 259 FT /note="Proton donor; for delta-elimination activity" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 90 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 109 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" FT BINDING 150 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" SQ SEQUENCE 269 AA; 30037 MW; 677A73179E5F8887 CRC64; MPELPEVEVS RLGISPHLVG GTIQSLVLRT PKLRWPIPQE LKQLEGQTIL AIHRRAKYLI IETAVGSAIV HLGMSGSLRI LDGDFPAAKH DHVDLVMTSG KRLRYNDPRR FGAWLWCAPD ESHEVLGRLG PEPLTEAFNA EYMMDKARNK RIAVKAFIMD NAAVVGVGNI YANESLFTSR LHPLRPAHSL SLEEWQTLVA NIKQVLQVAI KQGGTTLKDF TQSDGKPGYF AQELQVYGKA KQPCPHCGEP LCEQKIAQRN TFFCPQCQH //