ID A0A1Y5G1W2_9GAMM Unreviewed; 254 AA.
AC A0A1Y5G1W2;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE SubName: Full=Exodeoxyribonuclease III {ECO:0000313|EMBL:OUS17943.1};
GN ORFNames=A9Q88_01855 {ECO:0000313|EMBL:OUS17943.1};
OS Gammaproteobacteria bacterium 50_400_T64.
OC Bacteria; Pseudomonadota; Gammaproteobacteria.
OX NCBI_TaxID=1856294 {ECO:0000313|EMBL:OUS17943.1, ECO:0000313|Proteomes:UP000195444};
RN [1] {ECO:0000313|Proteomes:UP000195444}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Hu P., Dubinsky E.A., Probst A.J., Wang J., Sieber C.M.K., Tom L.M.,
RA Gardinali P., Banfield J.F., Atlas R.M., Andersen G.L.;
RT "Simulation of Deepwater Horizon oil plume reveals substrate specialization
RT within a complex community of hydrocarbon-degraders.";
RL Proc. Natl. Acad. Sci. U.S.A. 0:0-0(2017).
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:OUS17943.1}.
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DR EMBL; MAAS01000007; OUS17943.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y5G1W2; -.
DR Proteomes; UP000195444; 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; cd09087; Ape1-like_AP-endo; 1.
DR Gene3D; 3.60.10.10; Endonuclease/exonuclease/phosphatase; 1.
DR InterPro; IPR004808; AP_endonuc_1.
DR InterPro; IPR020848; AP_endonuclease_F1_CS.
DR InterPro; IPR036691; Endo/exonu/phosph_ase_sf.
DR InterPro; IPR005135; Endo/exonuclease/phosphatase.
DR NCBIfam; TIGR00195; exoDNase_III; 1.
DR NCBIfam; TIGR00633; xth; 1.
DR PANTHER; PTHR22748; AP ENDONUCLEASE; 1.
DR PANTHER; PTHR22748:SF6; DNA-(APURINIC OR APYRIMIDINIC SITE) ENDONUCLEASE; 1.
DR Pfam; PF03372; Exo_endo_phos; 1.
DR SUPFAM; SSF56219; DNase I-like; 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}.
FT DOMAIN 4..245
FT /note="Endonuclease/exonuclease/phosphatase"
FT /evidence="ECO:0000259|Pfam:PF03372"
FT ACT_SITE 108
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 147
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 245
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 35
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 149
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 244
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 SITE 149
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 219
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 245
FT /note="Interaction with DNA substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
SQ SEQUENCE 254 AA; 28501 MW; 2E0514655B6C9E30 CRC64;
MRLVSWNVNG IRAAMKKDFV QALEAMETDV LCLQETKAQD DQVAEALAEI NGYHLYSNSA
EKKGYSGTAV LSKTKPLSVQ YDMGIEEHDQ EGRVIAAEFE AFYLVTVYTP NSGNGLKRLD
YRQQWDADFL AYLKQLEAIK PVVVCGDLNV AHKDIDLARP KPNYNKSAGY TQAEIDGLDN
IVAAGFVDTF RDQRPEEIKY SWWSYRAGAR AKNVGWRIDY FLVSESLQTS VKGVDILNDV
MGSDHCPVQL DLSV
//
