DPO4_UREU1
ID DPO4_UREU1 Reviewed; 360 AA.
AC B5ZBT4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 03-AUG-2022, entry version 76.
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=UUR10_0483;
OS Ureaplasma urealyticum serovar 10 (strain ATCC 33699 / Western).
OC Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Ureaplasma.
OX NCBI_TaxID=565575;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33699 / Western;
RA Shrivastava S., Methe B.A., Glass J., White K., Duffy L.B.;
RT "Genome sequence of Ureaplasma urealyticum serovar 10 ATCC-33699.";
RL Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001184; ACI59868.1; -; Genomic_DNA.
DR RefSeq; WP_004027185.1; NC_011374.1.
DR AlphaFoldDB; B5ZBT4; -.
DR SMR; B5ZBT4; -.
DR STRING; 565575.UUR10_0483; -.
DR PRIDE; B5ZBT4; -.
DR EnsemblBacteria; ACI59868; ACI59868; UUR10_0483.
DR GeneID; 45016025; -.
DR KEGG; uue:UUR10_0483; -.
DR eggNOG; COG0389; Bacteria.
DR HOGENOM; CLU_012348_1_1_14; -.
DR OMA; KVRRYDF; -.
DR OrthoDB; 442163at2; -.
DR Proteomes; UP000002018; 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; IPR043128; Rev_trsase/Diguanyl_cyclase.
DR InterPro; IPR001126; UmuC.
DR Pfam; PF00817; IMS; 1.
DR Pfam; PF11799; IMS_C; 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; Transferase.
FT CHAIN 1..360
FT /note="DNA polymerase IV"
FT /id="PRO_1000137149"
FT DOMAIN 9..191
FT /note="UmuC"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT ACT_SITE 109
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT BINDING 13
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT BINDING 108
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
FT SITE 18
FT /note="Substrate discrimination"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01113"
SQ SEQUENCE 360 AA; 41339 MW; 8F870781CCDE05D1 CRC64;
MQSSGQKIIM HLDIDAFYAT VSELLHPEYK NFPIAVGSLN SRTGIISSPN YLARSYGVKS
AMPIFLAKEL CPNLIILPCE HDIYQTYSNH FFQIVNKYCN KVEITSIDEC FIDATNSIKK
YHNNVRLLAA KIQNEVKNKL NLSISVGISF NKTIAKMATE LNKPFGISII DENKITNLIH
ELDISKIPFI GEIKSQELYA INIFKIKELI ASNNKQKASL VLGSMYQNLV NDLKGLNEIK
TIEDDIYKSI SHSKTFNEDL NDFYEISNEL NELISNVVNR LKKHNLMTNN ISINIKYPNF
QTKVKQKRLD YYTDDYQTIF LAIKNLFKKV YKDELVRLIG VSLNKLVPKE SVKKQLFLFD
