AC MF_01113; DC Protein; auto TR HAMAP; MF_01113; -; 1; level=0 XX Names: DNApol_IV XX ID DPO4 DE RecName: Full=DNA polymerase IV; DE Short=Pol IV; DE EC=2.7.7.7; case GN Name=dinB; end case case GN Name=dbh; end case XX case 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. end case case 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. end case 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 -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; CC Note=Binds 2 magnesium ions per subunit.; CC -!- SUBUNIT: Monomer. CC -!- SUBCELLULAR LOCATION: Cytoplasm. CC -!- SIMILARITY: Belongs to the DNA polymerase type-Y family. XX DR Pfam; PF00817; IMS; 1; trigger=no DR PROSITE; PS50173; UMUC; 1; trigger=yes XX KW Cytoplasm KW Transferase KW Nucleotidyltransferase KW DNA-directed DNA polymerase KW DNA replication KW DNA damage KW DNA repair KW DNA-binding KW Mutator protein KW Metal-binding KW Magnesium XX GO GO:0003677; F:DNA binding GO GO:0003887; F:DNA-directed DNA polymerase activity GO GO:0000287; F:magnesium ion binding GO GO:0006261; P:DNA-templated DNA replication GO GO:0006281; P:DNA repair GO GO:0005737; C:cytoplasm XX FT From: DPO4_SACSO (P96022) FT ACT_SITE 106 FT Condition: E FT BINDING 7 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT Condition: D FT BINDING 105 FT /ligand="Mg(2+)" FT /ligand_id="ChEBI:CHEBI:18420" FT Condition: D FT SITE 12 FT /note="Substrate discrimination" XX Size: 318-479; Related: None; Template: Q47155; P96022; Q97W02; Scope: Bacteria Archaea Fusion: Nter: None Cter: None Duplicate: in AGRFC, HALH5, BACSU, MYCTU, RHILO, RHIME Plasmid: in AGRFC, RHILO, RHIME Comments: None XX # Revision 1.43 2023/01/17 //