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DPO4_PECAS
ID   DPO4_PECAS              Reviewed;         352 AA.
AC   Q6D1H8;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=DNA polymerase IV {ECO:0000255|HAMAP-Rule:MF_01113};
DE            Short=Pol IV {ECO:0000255|HAMAP-Rule:MF_01113};
DE            EC=2.7.7.7 {ECO:0000255|HAMAP-Rule:MF_01113};
GN   Name=dinB {ECO:0000255|HAMAP-Rule:MF_01113}; OrderedLocusNames=ECA3468;
OS   Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia
OS   carotovora subsp. atroseptica).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Pectobacteriaceae; Pectobacterium.
OX   NCBI_TaxID=218491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SCRI 1043 / ATCC BAA-672;
RX   PubMed=15263089; DOI=10.1073/pnas.0402424101;
RA   Bell K.S., Sebaihia M., Pritchard L., Holden M.T.G., Hyman L.J.,
RA   Holeva M.C., Thomson N.R., Bentley S.D., Churcher L.J.C., Mungall K.,
RA   Atkin R., Bason N., Brooks K., Chillingworth T., Clark K., Doggett J.,
RA   Fraser A., Hance Z., Hauser H., Jagels K., Moule S., Norbertczak H.,
RA   Ormond D., Price C., Quail M.A., Sanders M., Walker D., Whitehead S.,
RA   Salmond G.P.C., Birch P.R.J., Parkhill J., Toth I.K.;
RT   "Genome sequence of the enterobacterial phytopathogen Erwinia carotovora
RT   subsp. atroseptica and characterization of virulence factors.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:11105-11110(2004).
CC   -!- FUNCTION: Poorly processive, error-prone DNA polymerase involved in
CC       untargeted mutagenesis. Copies undamaged DNA at stalled replication
CC       forks, which arise in vivo from mismatched or misaligned primer ends.
CC       These misaligned primers can be extended by PolIV. Exhibits no 3'-5'
CC       exonuclease (proofreading) activity. May be involved in translesional
CC       synthesis, in conjunction with the beta clamp from PolIII.
CC       {ECO:0000255|HAMAP-Rule:MF_01113}.
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01113};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01113};
CC       Note=Binds 2 magnesium ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01113};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01113}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01113}.
CC   -!- SIMILARITY: Belongs to the DNA polymerase type-Y family.
CC       {ECO:0000255|HAMAP-Rule:MF_01113}.
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DR   EMBL; BX950851; CAG76367.1; -; Genomic_DNA.
DR   RefSeq; WP_011094976.1; NC_004547.2.
DR   AlphaFoldDB; Q6D1H8; -.
DR   SMR; Q6D1H8; -.
DR   STRING; 218491.ECA3468; -.
DR   PRIDE; Q6D1H8; -.
DR   EnsemblBacteria; CAG76367; CAG76367; ECA3468.
DR   GeneID; 57210137; -.
DR   KEGG; eca:ECA3468; -.
DR   PATRIC; fig|218491.5.peg.3509; -.
DR   eggNOG; COG0389; Bacteria.
DR   HOGENOM; CLU_012348_1_2_6; -.
DR   OMA; CKPDGLL; -.
DR   OrthoDB; 442163at2; -.
DR   Proteomes; UP000007966; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003684; F:damaged DNA binding; IEA:InterPro.
DR   GO; GO:0003887; F:DNA-directed DNA polymerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; 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   GO; GO:0009432; P:SOS response; IEA:UniProt.
DR   CDD; cd03586; PolY_Pol_IV_kappa; 1.
DR   Gene3D; 3.30.1490.100; -; 1.
DR   Gene3D; 3.30.70.270; -; 1.
DR   HAMAP; MF_01113; DNApol_IV; 1.
DR   InterPro; IPR043502; DNA/RNA_pol_sf.
DR   InterPro; IPR036775; DNA_pol_Y-fam_lit_finger_sf.
DR   InterPro; IPR017961; DNA_pol_Y-fam_little_finger.
DR   InterPro; IPR022880; DNApol_IV.
DR   InterPro; IPR024728; PolY_HhH_motif.
DR   InterPro; IPR043128; Rev_trsase/Diguanyl_cyclase.
DR   InterPro; IPR001126; UmuC.
DR   Pfam; PF00817; IMS; 1.
DR   Pfam; PF11799; IMS_C; 1.
DR   Pfam; PF11798; IMS_HHH; 1.
DR   SUPFAM; SSF100879; SSF100879; 1.
DR   SUPFAM; SSF56672; SSF56672; 1.
DR   PROSITE; PS50173; UMUC; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; DNA damage; DNA repair; DNA replication; DNA-binding;
KW   DNA-directed DNA polymerase; Magnesium; Metal-binding; Mutator protein;
KW   Nucleotidyltransferase; Reference proteome; Transferase.
FT   CHAIN           1..352
FT                   /note="DNA polymerase IV"
FT                   /id="PRO_1000084896"
FT   DOMAIN          4..185
FT                   /note="UmuC"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT   ACT_SITE        104
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT   BINDING         8
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT   BINDING         103
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT   SITE            13
FT                   /note="Substrate discrimination"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
SQ   SEQUENCE   352 AA;  40190 MW;  82D5FBE1562A98F2 CRC64;
     MRKIIHVDMD CFYAAIEMRD NPRLRDIPLA IGGSADRRGV ISTANYPARR YGVRSAMATA
     TALRLCPHLT LLPGRMEVYK STSRQIREIF SRYTSLIEPL SLDEAYLDVT DSPHCNGSAT
     RIAEEIRRTI ADELNLTASA GIAPIKFLAK VASELNKPNG QYVITPEQVD DFLLALPLEK
     IPGVGKVTAK RLEERGLHTC ADVRVYALAD LLKAFGKFGR VLWERCQGID DRQISPDRQR
     KSVGVEKTLA QDIHNWDQCE NLIEQLYQEL EVRLKRVKPD LHIARQGVKL KFDDFQQTTQ
     EHVWPMLNKQ DLLKLAQQTW QERRKSRGVR LVGLHVTLLD PQIERQLVFD WG
 
 
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