ID A0A3N6P6D2_9EURY Unreviewed; 583 AA.
AC A0A3N6P6D2;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 27-MAR-2024, entry version 22.
DE RecName: Full=DNA polymerase beta {ECO:0000256|ARBA:ARBA00020020};
DE EC=2.7.7.7 {ECO:0000256|ARBA:ARBA00012417};
DE EC=4.2.99.18 {ECO:0000256|ARBA:ARBA00012720};
DE AltName: Full=5'-deoxyribose-phosphate lyase {ECO:0000256|ARBA:ARBA00035717};
DE AltName: Full=AP lyase {ECO:0000256|ARBA:ARBA00035726};
GN Name=polX {ECO:0000313|EMBL:RQG91315.1};
GN ORFNames=EA462_04855 {ECO:0000313|EMBL:RQG91315.1};
OS Natrarchaeobius halalkaliphilus.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Natrialbales;
OC Natrialbaceae; Natrarchaeobius.
OX NCBI_TaxID=1679091 {ECO:0000313|EMBL:RQG91315.1, ECO:0000313|Proteomes:UP000273828};
RN [1] {ECO:0000313|EMBL:RQG91315.1, ECO:0000313|Proteomes:UP000273828}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AArcht-Sl {ECO:0000313|EMBL:RQG91315.1,
RC ECO:0000313|Proteomes:UP000273828};
RA Sorokin D.Y., Elcheninov A.G., Kostrikina N.A., Bale N.J.,
RA Sinninghe Damste J.S., Khijniak T.V., Kublanov I.V., Toshchakov S.V.;
RT "Natrarchaeobius chitinivorans gen. nov., sp. nov., and Natrarchaeobius
RT haloalkaliphilus sp. nov., alkaliphilic, chitin-utilizing haloarchaea from
RT hypersaline alkaline lakes.";
RL Submitted (OCT-2018) to the EMBL/GenBank/DDBJ databases.
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;
CC Evidence={ECO:0000256|ARBA:ARBA00024490};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2'-deoxyribonucleoside 5'-triphosphate + DNA(n) =
CC diphosphate + DNA(n+1); Xref=Rhea:RHEA:22508, Rhea:RHEA-COMP:17339,
CC Rhea:RHEA-COMP:17340, ChEBI:CHEBI:33019, ChEBI:CHEBI:61560,
CC ChEBI:CHEBI:173112; EC=2.7.7.7;
CC Evidence={ECO:0000256|ARBA:ARBA00024632};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end 2'-deoxyribose-2'-deoxyribonucleotide-DNA = (2E,4S)-
CC 4-hydroxypenten-2-al-5-phosphate + a 5'-end 5'-monophospho-2'-
CC deoxyribonucleoside-DNA + H(+); Xref=Rhea:RHEA:76255, Rhea:RHEA-
CC COMP:13180, Rhea:RHEA-COMP:18657, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:136412, ChEBI:CHEBI:195194, ChEBI:CHEBI:195195;
CC Evidence={ECO:0000256|ARBA:ARBA00035582};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC Nucleus {ECO:0000256|ARBA:ARBA00004123}.
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:RQG91315.1}.
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DR EMBL; REFY01000002; RQG91315.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3N6P6D2; -.
DR OrthoDB; 8999at2157; -.
DR Proteomes; UP000273828; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR GO; GO:0003887; F:DNA-directed DNA polymerase activity; IEA:UniProtKB-KW.
DR GO; GO:0004527; F:exonuclease activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006281; P:DNA repair; IEA:UniProtKB-KW.
DR CDD; cd00141; NT_POLXc; 1.
DR CDD; cd07436; PHP_PolX; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR Gene3D; 3.30.460.10; Beta Polymerase, domain 2; 1.
DR Gene3D; 1.10.150.110; DNA polymerase beta, N-terminal domain-like; 1.
DR Gene3D; 3.30.210.10; DNA polymerase, thumb domain; 1.
DR Gene3D; 3.20.20.140; Metal-dependent hydrolases; 1.
DR InterPro; IPR002054; DNA-dir_DNA_pol_X.
DR InterPro; IPR010996; DNA_pol_b-like_N.
DR InterPro; IPR027421; DNA_pol_lamdba_lyase_dom_sf.
DR InterPro; IPR037160; DNA_Pol_thumb_sf.
DR InterPro; IPR002008; DNA_pol_X_beta-like.
DR InterPro; IPR003583; Hlx-hairpin-Hlx_DNA-bd_motif.
DR InterPro; IPR043519; NT_sf.
DR InterPro; IPR004013; PHP_dom.
DR InterPro; IPR003141; Pol/His_phosphatase_N.
DR InterPro; IPR016195; Pol/histidinol_Pase-like.
DR InterPro; IPR029398; PolB_thumb.
DR InterPro; IPR022311; PolX-like.
DR InterPro; IPR047967; PolX_PHP.
DR InterPro; IPR010994; RuvA_2-like.
DR PANTHER; PTHR36928; PHOSPHATASE YCDX-RELATED; 1.
DR PANTHER; PTHR36928:SF1; PHOSPHATASE YCDX-RELATED; 1.
DR Pfam; PF14791; DNA_pol_B_thumb; 1.
DR Pfam; PF14520; HHH_5; 1.
DR Pfam; PF14716; HHH_8; 1.
DR Pfam; PF02811; PHP; 1.
DR PIRSF; PIRSF005047; UCP005047_YshC; 1.
DR PRINTS; PR00870; DNAPOLXBETA.
DR SMART; SM00278; HhH1; 3.
DR SMART; SM00481; POLIIIAc; 1.
DR SMART; SM00483; POLXc; 1.
DR SUPFAM; SSF47802; DNA polymerase beta, N-terminal domain-like; 1.
DR SUPFAM; SSF81301; Nucleotidyltransferase; 1.
DR SUPFAM; SSF89550; PHP domain-like; 1.
DR SUPFAM; SSF47781; RuvA domain 2-like; 1.
PE 4: Predicted;
KW DNA damage {ECO:0000256|ARBA:ARBA00022763};
KW DNA repair {ECO:0000256|ARBA:ARBA00023204};
KW DNA synthesis {ECO:0000256|ARBA:ARBA00022634};
KW DNA-directed DNA polymerase {ECO:0000256|ARBA:ARBA00022932};
KW Exonuclease {ECO:0000313|EMBL:RQG91315.1};
KW Hydrolase {ECO:0000313|EMBL:RQG91315.1};
KW Methylation {ECO:0000256|ARBA:ARBA00022481};
KW Nuclease {ECO:0000313|EMBL:RQG91315.1};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695};
KW Reference proteome {ECO:0000313|Proteomes:UP000273828};
KW Sodium {ECO:0000256|ARBA:ARBA00023053};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Ubl conjugation {ECO:0000256|ARBA:ARBA00022843}.
FT DOMAIN 2..327
FT /note="DNA-directed DNA polymerase X"
FT /evidence="ECO:0000259|SMART:SM00483"
FT DOMAIN 54..73
FT /note="Helix-hairpin-helix DNA-binding motif class 1"
FT /evidence="ECO:0000259|SMART:SM00278"
FT DOMAIN 94..113
FT /note="Helix-hairpin-helix DNA-binding motif class 1"
FT /evidence="ECO:0000259|SMART:SM00278"
FT DOMAIN 129..148
FT /note="Helix-hairpin-helix DNA-binding motif class 1"
FT /evidence="ECO:0000259|SMART:SM00278"
FT DOMAIN 351..431
FT /note="Polymerase/histidinol phosphatase N-terminal"
FT /evidence="ECO:0000259|SMART:SM00481"
SQ SEQUENCE 583 AA; 63541 MW; 35618A3744FA3CC6 CRC64;
MATNAEIAGR FEEFADLLEA DDVEYKPRAY RRAAENIRAH PTPIADRVEE DDHDVLAEIE
GVGDAISAKI VEYVETGSID ELEELRAELP IEIADITRIE GVGPKTAGKL YRELDIETLD
DLEAAAEAGD IRSVSGFGPK TEANIRENIA FAREVGQRHL LGEGRPLADD VIDFLAGLDA
VERCEVAGSI RRWRETIGDI DVLVGTDAGD DVVESFVDWG SVDSEIESGP EKASVRVGEI
RVDLRVVVPE EFGSALQYFT GSKDHNVRLR NYAISRGMKL NEYGAFDVSS LPADEEGRRV
GERVAGETEA EMYEALELPW IPPELREDRG EIEAAESGDL PELLTREDVR GDVHTHTEWS
DGQTSIEEMV DAAEAMGYDY YGVADHAEGP GVVGGMGLSD TEILEQVEAI REVDAAREIT
VFAGIEANID ASGRIGLSDA VIDALDVIVA SPHSGLDQDA ETATSRLLRA VEDPAVDVLG
HPSGRLINER SGLEFDATEL GRAAADHDTA LEVNSNPRRL DLWGSAVQAA IDEGASIAID
TDAHRPSTLE YMRWGVHTAR RGWAEPDDVI NARTLEELRA FLH
//
