ID A0A3B4EYN5_9CICH Unreviewed; 190 AA.
AC A0A3B4EYN5;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=exodeoxyribonuclease III {ECO:0000256|ARBA:ARBA00012115};
DE EC=3.1.11.2 {ECO:0000256|ARBA:ARBA00012115};
OS Pundamilia nyererei.
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Cichlomorphae; Cichliformes; Cichlidae; African cichlids;
OC Pseudocrenilabrinae; Haplochromini; Pundamilia.
OX NCBI_TaxID=303518 {ECO:0000313|Ensembl:ENSPNYP00000002823.1, ECO:0000313|Proteomes:UP000261460};
RN [1] {ECO:0000313|Ensembl:ENSPNYP00000002823.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Exonucleolytic cleavage in the 3'- to 5'-direction to yield
CC nucleoside 5'-phosphates.; EC=3.1.11.2;
CC Evidence={ECO:0000256|ARBA:ARBA00000493};
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 ---------------------------------------------------------------------------
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 AlphaFoldDB; A0A3B4EYN5; -.
DR STRING; 303518.ENSPNYP00000002823; -.
DR Ensembl; ENSPNYT00000002896.1; ENSPNYP00000002823.1; ENSPNYG00000002216.1.
DR GeneTree; ENSGT00990000203914; -.
DR Proteomes; UP000261460; Unplaced.
DR GO; GO:0004519; F:endonuclease activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006281; P:DNA repair; IEA:InterPro.
DR Gene3D; 3.60.10.10; Endonuclease/exonuclease/phosphatase; 1.
DR InterPro; IPR004808; AP_endonuc_1.
DR InterPro; IPR036691; Endo/exonu/phosph_ase_sf.
DR InterPro; IPR005135; Endo/exonuclease/phosphatase.
DR PANTHER; PTHR22748; AP ENDONUCLEASE; 1.
DR PANTHER; PTHR22748:SF24; ENDO_EXONUCLEASE_PHOSPHATASE DOMAIN-CONTAINING PROTEIN; 1.
DR Pfam; PF03372; Exo_endo_phos; 1.
DR SUPFAM; SSF56219; DNase I-like; 1.
PE 3: Inferred from homology;
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022759};
KW Magnesium {ECO:0000256|PIRSR:PIRSR604808-2};
KW Manganese {ECO:0000256|PIRSR:PIRSR604808-2};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR604808-2};
KW Nuclease {ECO:0000256|ARBA:ARBA00022759}.
FT DOMAIN 7..152
FT /note="Endonuclease/exonuclease/phosphatase"
FT /evidence="ECO:0000259|Pfam:PF03372"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 39
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 142
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 144
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT SITE 144
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
SQ SEQUENCE 190 AA; 22262 MW; 08C63EF88B185915 CRC64;
MSNIKIITFN VRGLQSDKSR KRKVDFLKRL DYDILCLQEM RLKTHVDVCE LNKRWNTAHS
IISIGEDSSD GVGIFFKKDT VNIITRRDII PGRLLLVDCC YYGQRLRIIN VYNAPERTKK
IQLLKKLKYL LEIGFNIILC GDFNIVTEAT DRISKVEFRE LRESKLLVKV CKEAALPDLY
RHLHPHTVHY
//