ID A0A2U2AD74_9GAMM Unreviewed; 254 AA.
AC A0A2U2AD74;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE SubName: Full=Exodeoxyribonuclease III {ECO:0000313|EMBL:PWD80603.1};
GN Name=xth {ECO:0000313|EMBL:PWD80603.1};
GN ORFNames=DC083_08285 {ECO:0000313|EMBL:PWD80603.1};
OS Ignatzschineria ureiclastica.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cardiobacteriales;
OC Ignatzschineriaceae; Ignatzschineria.
OX NCBI_TaxID=472582 {ECO:0000313|EMBL:PWD80603.1, ECO:0000313|Proteomes:UP000245020};
RN [1] {ECO:0000313|Proteomes:UP000245020}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KCTC 22644 {ECO:0000313|Proteomes:UP000245020};
RA Tsang C.C., Tang J.Y.M., Fong J.Y.H., Kinne J., Lee H.H., Joseph M.,
RA Jose S., Schuster R.K., Tang Y., Sivakumar S., Chen J.H.K., Teng J.L.L.,
RA Lau S.K.P., Wernery U., Woo P.C.Y.;
RT "Ignatzschineria dubaiensis sp. nov., isolated from necrotic foot tissues
RT of dromedaries (Camelus dromedarius) and associated maggots in Dubai,
RT United Arab Emirates.";
RL Submitted (MAY-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Note=Probably binds two magnesium or manganese ions per subunit.
CC {ECO:0000256|PIRSR:PIRSR604808-2};
CC -!- SIMILARITY: Belongs to the DNA repair enzymes AP/ExoA family.
CC {ECO:0000256|ARBA:ARBA00007092}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PWD80603.1}.
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DR EMBL; QEWQ01000005; PWD80603.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2U2AD74; -.
DR OrthoDB; 9803914at2; -.
DR Proteomes; UP000245020; Unassembled WGS sequence.
DR GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR GO; GO:0008311; F:double-stranded DNA 3'-5' DNA exonuclease activity; IEA:UniProtKB-EC.
DR GO; GO:0004519; F:endonuclease activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006281; P:DNA repair; IEA:InterPro.
DR CDD; cd09086; ExoIII-like_AP-endo; 1.
DR Gene3D; 3.60.10.10; Endonuclease/exonuclease/phosphatase; 1.
DR InterPro; IPR004808; AP_endonuc_1.
DR InterPro; IPR020847; AP_endonuclease_F1_BS.
DR InterPro; IPR020848; AP_endonuclease_F1_CS.
DR InterPro; IPR036691; Endo/exonu/phosph_ase_sf.
DR InterPro; IPR005135; Endo/exonuclease/phosphatase.
DR InterPro; IPR037493; ExoIII-like.
DR NCBIfam; TIGR00195; exoDNase_III; 1.
DR NCBIfam; TIGR00633; xth; 1.
DR PANTHER; PTHR43250; EXODEOXYRIBONUCLEASE III; 1.
DR PANTHER; PTHR43250:SF2; EXODEOXYRIBONUCLEASE III; 1.
DR Pfam; PF03372; Exo_endo_phos; 1.
DR SUPFAM; SSF56219; DNase I-like; 1.
DR PROSITE; PS00726; AP_NUCLEASE_F1_1; 1.
DR PROSITE; PS00728; AP_NUCLEASE_F1_3; 1.
DR PROSITE; PS51435; AP_NUCLEASE_F1_4; 1.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|PIRSR:PIRSR604808-2};
KW Manganese {ECO:0000256|PIRSR:PIRSR604808-2};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR604808-2};
KW Reference proteome {ECO:0000313|Proteomes:UP000245020}.
FT DOMAIN 5..246
FT /note="Endonuclease/exonuclease/phosphatase"
FT /evidence="ECO:0000259|Pfam:PF03372"
FT ACT_SITE 104
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 145
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 246
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT BINDING 7
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 34
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 145
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 147
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 245
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 246
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT SITE 147
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 216
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 246
FT /note="Interaction with DNA substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
SQ SEQUENCE 254 AA; 28646 MW; 11EBEA514251263F CRC64;
MKITTWNVNS INVRLTHLLS FLETEKPDVI GLQELKAPND KFPLAEIEAT GYHVVLNGQP
TYNGVALIAS QPIDDVVLDI PGFDSEEKRV ITGTVAGVRI VNAYVPNGQN PDSNKYEYKL
RWLTAFTDYL EQLLEEYPQL IVIGDFNIAP TDDDVHNPAS WKGKILCTDQ ERAAFQGLLD
LGFLDTLRIE AKPKGTFTWW DYRQGGFEKN SGIRIDHLLS SKVLGRRYQA SMVHLDYRAL
ERPSDHAPVS AVFK
//
