ID FPG_PSEE4 Reviewed; 270 AA. AC Q1IGF3; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 13-JUN-2006, sequence version 1. DT 27-MAR-2024, entry version 110. 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=PSEEN0287; OS Pseudomonas entomophila (strain L48). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales; OC Pseudomonadaceae; Pseudomonas. OX NCBI_TaxID=384676; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=L48; RX PubMed=16699499; DOI=10.1038/nbt1212; RA Vodovar N., Vallenet D., Cruveiller S., Rouy Z., Barbe V., Acosta C., RA Cattolico L., Jubin C., Lajus A., Segurens B., Vacherie B., Wincker P., RA Weissenbach J., Lemaitre B., Medigue C., Boccard F.; RT "Complete genome sequence of the entomopathogenic and metabolically RT versatile soil bacterium Pseudomonas entomophila."; RL Nat. Biotechnol. 24:673-679(2006). 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; CT573326; CAK13249.1; -; Genomic_DNA. DR RefSeq; WP_011531709.1; NC_008027.1. DR AlphaFoldDB; Q1IGF3; -. DR SMR; Q1IGF3; -. DR STRING; 384676.PSEEN0287; -. DR GeneID; 32803630; -. DR KEGG; pen:PSEEN0287; -. DR eggNOG; COG0266; Bacteria. DR HOGENOM; CLU_038423_1_1_6; -. DR OrthoDB; 9800855at2; -. DR Proteomes; UP000000658; 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; Zinc; Zinc-finger. FT INIT_MET 1 FT /note="Removed" FT /evidence="ECO:0000250" FT CHAIN 2..270 FT /note="Formamidopyrimidine-DNA glycosylase" FT /id="PRO_1000008743" FT ZN_FING 236..270 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 260 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" FT BINDING 151 FT /ligand="DNA" FT /ligand_id="ChEBI:CHEBI:16991" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00103" SQ SEQUENCE 270 AA; 30051 MW; 9A7434E1DEDED808 CRC64; MPELPEVETT RRGIAPHLVG QRVSRVVVRD RRLRWPIPED LDVRLSGQCI VSVERRAKYL LINAEVGTLI SHLGMSGNLR LVELGLPAAK HEHVDIELES GLMLRYTDPR RFGAMLWSLD PLNHELLIRL GPEPLTDLFD GERLFQLSRG RSMAVKPFIM DNAVVVGVGN IYATEALFAA GIDPRREAGG ISRARYLKLA IEIKRVLAAA IEQGGTTLRD FIGGDGQPGY FQQELFVYGR GGQPCKVCGT ELREVKLGQR ASVFCPKCQR //