ID F4XJS3_9CYAN Unreviewed; 996 AA.
AC F4XJS3;
DT 28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT 28-JUN-2011, sequence version 1.
DT 27-MAR-2024, entry version 68.
DE RecName: Full=DNA polymerase I {ECO:0000256|ARBA:ARBA00020311, ECO:0000256|RuleBase:RU004460};
DE EC=2.7.7.7 {ECO:0000256|ARBA:ARBA00012417, ECO:0000256|RuleBase:RU004460};
GN Name=polA {ECO:0000256|RuleBase:RU004460};
GN ORFNames=LYNGBM3L_08270 {ECO:0000313|EMBL:EGJ35353.1};
OS Moorena producens 3L.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Oscillatoriales; Oscillatoriaceae; Moorena.
OX NCBI_TaxID=489825 {ECO:0000313|EMBL:EGJ35353.1, ECO:0000313|Proteomes:UP000003959};
RN [1] {ECO:0000313|Proteomes:UP000003959}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3L {ECO:0000313|Proteomes:UP000003959};
RX PubMed=21555588; DOI=10.1073/pnas.1101137108;
RA Jones A.C., Monroe E.A., Podell S., Hess W.R., Klages S., Esquenazi E.,
RA Niessen S., Hoover H., Rothmann M., Lasken R.S., Yates J.R.III.,
RA Reinhardt R., Kube M., Burkart M.D., Allen E.E., Dorrestein P.C.,
RA Gerwick W.H., Gerwick L.;
RT "Genomic insights into the physiology and ecology of the marine filamentous
RT cyanobacterium Lyngbya majuscula.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:8815-8820(2011).
CC -!- FUNCTION: In addition to polymerase activity, this DNA polymerase
CC exhibits 5'-3' exonuclease activity. {ECO:0000256|RuleBase:RU004460}.
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 ECO:0000256|RuleBase:RU004460};
CC -!- SIMILARITY: Belongs to the DNA polymerase type-A family.
CC {ECO:0000256|ARBA:ARBA00007705, ECO:0000256|RuleBase:RU004460}.
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DR EMBL; GL890823; EGJ35353.1; -; Genomic_DNA.
DR AlphaFoldDB; F4XJS3; -.
DR eggNOG; COG0258; Bacteria.
DR eggNOG; COG0749; Bacteria.
DR HOGENOM; CLU_004675_0_0_3; -.
DR Proteomes; UP000003959; Unassembled WGS sequence.
DR GO; GO:0008408; F:3'-5' exonuclease activity; IEA:InterPro.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003887; F:DNA-directed DNA polymerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006281; P:DNA repair; IEA:UniProtKB-UniRule.
DR GO; GO:0006261; P:DNA-templated DNA replication; IEA:UniProtKB-UniRule.
DR CDD; cd08637; DNA_pol_A_pol_I_C; 1.
DR CDD; cd06139; DNA_polA_I_Ecoli_like_exo; 1.
DR CDD; cd09898; H3TH_53EXO; 1.
DR CDD; cd09859; PIN_53EXO; 1.
DR Gene3D; 3.30.70.370; -; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 2.
DR Gene3D; 3.40.50.1010; 5'-nuclease; 1.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR InterPro; IPR002562; 3'-5'_exonuclease_dom.
DR InterPro; IPR020046; 5-3_exonucl_a-hlix_arch_N.
DR InterPro; IPR002421; 5-3_exonuclease.
DR InterPro; IPR036279; 5-3_exonuclease_C_sf.
DR InterPro; IPR001098; DNA-dir_DNA_pol_A_palm_dom.
DR InterPro; IPR043502; DNA/RNA_pol_sf.
DR InterPro; IPR020045; DNA_polI_H3TH.
DR InterPro; IPR018320; DNA_polymerase_1.
DR InterPro; IPR002298; DNA_polymerase_A.
DR InterPro; IPR008918; HhH2.
DR InterPro; IPR029060; PIN-like_dom_sf.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR NCBIfam; TIGR00593; pola; 1.
DR PANTHER; PTHR10133; DNA POLYMERASE I; 1.
DR PANTHER; PTHR10133:SF62; DNA POLYMERASE THETA; 1.
DR Pfam; PF01367; 5_3_exonuc; 1.
DR Pfam; PF02739; 5_3_exonuc_N; 1.
DR Pfam; PF00476; DNA_pol_A; 1.
DR Pfam; PF01612; DNA_pol_A_exo1; 1.
DR PRINTS; PR00868; DNAPOLI.
DR SMART; SM00474; 35EXOc; 1.
DR SMART; SM00475; 53EXOc; 1.
DR SMART; SM00279; HhH2; 1.
DR SMART; SM00482; POLAc; 1.
DR SUPFAM; SSF47807; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR SUPFAM; SSF56672; DNA/RNA polymerases; 1.
DR SUPFAM; SSF88723; PIN domain-like; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
PE 3: Inferred from homology;
KW DNA damage {ECO:0000256|ARBA:ARBA00022763, ECO:0000256|RuleBase:RU004460};
KW DNA repair {ECO:0000256|ARBA:ARBA00023204, ECO:0000256|RuleBase:RU004460};
KW DNA replication {ECO:0000256|ARBA:ARBA00022705,
KW ECO:0000256|RuleBase:RU004460};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|RuleBase:RU004460};
KW DNA-directed DNA polymerase {ECO:0000256|ARBA:ARBA00022932,
KW ECO:0000256|RuleBase:RU004460}; Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW ECO:0000256|RuleBase:RU004460};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU004460}.
FT DOMAIN 22..294
FT /note="5'-3' exonuclease"
FT /evidence="ECO:0000259|SMART:SM00475"
FT DOMAIN 383..569
FT /note="3'-5' exonuclease"
FT /evidence="ECO:0000259|SMART:SM00474"
FT DOMAIN 739..960
FT /note="DNA-directed DNA polymerase family A palm"
FT /evidence="ECO:0000259|SMART:SM00482"
FT REGION 335..357
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 335..349
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 996 AA; 111163 MW; 02E5F95FFF497F0E CRC64;
MPRSTSSENS PPVPDDSPMV ASPLLILIDG HSLAFRSYFA FAKSRQGGLR TKTGIPTSVC
FGFIKSLLEV MESENPNAIA IAFDTKEATF RQQADATYKA NRTETPEDFL PDVKNLQQLL
QGLRIPVITS PGYEADDVLA TLAHQAIDQG YRVKVVSGDR DLFQLVAPDK GITVLYLSGP
FSRGSATVGP TEYGLEEVEA KLGVLPSQVV DYKALCGDPS DNIPGVKGIG AKTAVKLLKE
YQNLDNIYAS LDTIKGAVKK KLEVGKSDAE HARYLAQLRF DTPIDIDLDQ CQLQGFDPQV
LKPLLERLEL KSFISQIDKL QQRFGGVVLE DIETSAPNDT VSDTVSNTDS DTDTQEDDDI
SFFSVAETEE FQEQGSNTGS IQPQIIDTVD KLNQLVEQLK YYTDAGNPVA WDTETSDLEP
RDAQLVGIGC CWGKEFTDVA YIPIGHKDGT NLDKDIVLES LRPILESSDY PKVLQNSKFD
RLVLRCNGIQ LAGVVFDTML ASYVLNPETS HKLSDLGLHY LGIEAQSYND LVPKGKTIRD
LDIPTVADYC GMDAYTTFGI VFKLREELEQ IPALQQLLLE VEQPLEPVLA EMEYQGIRID
KDYLQQFSQE LEKDLVAIKQ QAYQDAGEEF NLGSPKQLSQ LLFEKLGLDR RKSRKTKTGY
STDATILAKL QGDHPVVDAI VEYRSLSKLK STYVDALPAL MRSDTKRVHT DFNQTVTTTG
RLSSSSPNLQ NIPIRTDFSR QIRKGFIPES GWLLVSADYS QIELRILAHL SQEPVLVEAY
QTQADVHTLT AQMLFDKEDI TAEERRLGKI INFGVIYGMG AQRFAREAKV STAEGKEFID
RLNQRYPLVF AYLEETKKKA IAQGYVETIL GRRRYFSFGG NSLRRLQGKP LDQIDLDKLK
SINPYDAGSL RAAANSPIQG SSADIIKIAM IKLYQELQKY KARLLLQVHD ELIFEIPPDE
WEELQLKIRE TMESAVELTV PLVVEIHAGD NWMEAK
//
