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Database: UniProt
Entry: B0S196
LinkDB: B0S196
Original site: B0S196 
ID   END4_FINM2              Reviewed;         277 AA.
AC   B0S196;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   27-MAR-2024, entry version 84.
DE   RecName: Full=Probable endonuclease 4 {ECO:0000255|HAMAP-Rule:MF_00152};
DE            EC=3.1.21.2 {ECO:0000255|HAMAP-Rule:MF_00152};
DE   AltName: Full=Endodeoxyribonuclease IV {ECO:0000255|HAMAP-Rule:MF_00152};
DE   AltName: Full=Endonuclease IV {ECO:0000255|HAMAP-Rule:MF_00152};
GN   Name=nfo {ECO:0000255|HAMAP-Rule:MF_00152}; OrderedLocusNames=FMG_0718;
OS   Finegoldia magna (strain ATCC 29328 / DSM 20472 / WAL 2508)
OS   (Peptostreptococcus magnus).
OC   Bacteria; Bacillota; Tissierellia; Tissierellales; Peptoniphilaceae;
OC   Finegoldia.
OX   NCBI_TaxID=334413;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29328 / DSM 20472 / WAL 2508;
RX   PubMed=18263572; DOI=10.1093/dnares/dsm030;
RA   Goto T., Yamashita A., Hirakawa H., Matsutani M., Todo K., Ohshima K.,
RA   Toh H., Miyamoto K., Kuhara S., Hattori M., Shimizu T., Akimoto S.;
RT   "Complete genome sequence of Finegoldia magna, an anaerobic opportunistic
RT   pathogen.";
RL   DNA Res. 15:39-47(2008).
CC   -!- FUNCTION: Endonuclease IV plays a role in DNA repair. It cleaves
CC       phosphodiester bonds at apurinic or apyrimidinic (AP) sites, generating
CC       a 3'-hydroxyl group and a 5'-terminal sugar phosphate.
CC       {ECO:0000255|HAMAP-Rule:MF_00152}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Endonucleolytic cleavage to 5'-phosphooligonucleotide end-
CC         products.; EC=3.1.21.2; Evidence={ECO:0000255|HAMAP-Rule:MF_00152};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00152};
CC       Note=Binds 3 Zn(2+) ions. {ECO:0000255|HAMAP-Rule:MF_00152};
CC   -!- SIMILARITY: Belongs to the AP endonuclease 2 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00152}.
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DR   EMBL; AP008971; BAG08136.1; -; Genomic_DNA.
DR   RefSeq; WP_002841740.1; NC_010376.1.
DR   AlphaFoldDB; B0S196; -.
DR   SMR; B0S196; -.
DR   STRING; 334413.FMG_0718; -.
DR   KEGG; fma:FMG_0718; -.
DR   eggNOG; COG0648; Bacteria.
DR   HOGENOM; CLU_025885_4_1_9; -.
DR   Proteomes; UP000001319; Chromosome.
DR   GO; GO:0008833; F:deoxyribonuclease IV (phage-T4-induced) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006281; P:DNA repair; IEA:UniProtKB-UniRule.
DR   CDD; cd00019; AP2Ec; 1.
DR   Gene3D; 3.20.20.150; Divalent-metal-dependent TIM barrel enzymes; 1.
DR   HAMAP; MF_00152; Nfo; 1.
DR   InterPro; IPR001719; AP_endonuc_2.
DR   InterPro; IPR018246; AP_endonuc_F2_Zn_BS.
DR   InterPro; IPR036237; Xyl_isomerase-like_sf.
DR   InterPro; IPR013022; Xyl_isomerase-like_TIM-brl.
DR   NCBIfam; TIGR00587; nfo; 1.
DR   PANTHER; PTHR21445:SF0; APURINIC-APYRIMIDINIC ENDONUCLEASE; 1.
DR   PANTHER; PTHR21445; ENDONUCLEASE IV ENDODEOXYRIBONUCLEASE IV; 1.
DR   Pfam; PF01261; AP_endonuc_2; 1.
DR   SMART; SM00518; AP2Ec; 1.
DR   SUPFAM; SSF51658; Xylose isomerase-like; 1.
DR   PROSITE; PS00730; AP_NUCLEASE_F2_2; 1.
DR   PROSITE; PS00731; AP_NUCLEASE_F2_3; 1.
DR   PROSITE; PS51432; AP_NUCLEASE_F2_4; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA repair; Endonuclease; Hydrolase; Metal-binding; Nuclease;
KW   Reference proteome; Zinc.
FT   CHAIN           1..277
FT                   /note="Probable endonuclease 4"
FT                   /id="PRO_1000118099"
FT   BINDING         67
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         107
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         141
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         141
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         173
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         176
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         207
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         220
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         222
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
FT   BINDING         252
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00152"
SQ   SEQUENCE   277 AA;  31892 MW;  F3895F8BB08F54BD CRC64;
     MNRIGCHLST SKGLHKTIEQ CLEINADTFQ FFPRNPRGSK SRLIPKKEID KFLELRKIHN
     INKIVCHGAY TMNLCSDRED LRKLAVKLIN EDMKKIQDMR INHYVLHPGS HKNQGIEEGL
     KLIVEGINKV DVSNGQMICI ETMSGKGSEL GCDIDQIAYI INNASIPLYV CIDTCHLFSS
     GIRLDNFDDY LDEFDKKIGI DKIKVIHCND SMMPFGANKD RHEKFGKGLI GEQDLFNVIF
     NERLKDRPII LETPNDLDGY KIEIEEIRRN FNELRQN
//
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