ID F8A118_CELGA Unreviewed; 414 AA.
AC F8A118;
DT 21-SEP-2011, integrated into UniProtKB/TrEMBL.
DT 21-SEP-2011, sequence version 1.
DT 24-JAN-2024, entry version 61.
DE RecName: Full=DNA polymerase IV {ECO:0000256|HAMAP-Rule:MF_01113};
DE Short=Pol IV {ECO:0000256|HAMAP-Rule:MF_01113};
DE EC=2.7.7.7 {ECO:0000256|HAMAP-Rule:MF_01113};
GN Name=dinB {ECO:0000256|HAMAP-Rule:MF_01113};
GN OrderedLocusNames=Celgi_2276 {ECO:0000313|EMBL:AEI12776.1};
OS Cellulomonas gilvus (strain ATCC 13127 / NRRL B-14078) (Cellvibrio gilvus).
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Cellulomonadaceae;
OC Cellulomonas.
OX NCBI_TaxID=593907 {ECO:0000313|EMBL:AEI12776.1, ECO:0000313|Proteomes:UP000000485};
RN [1] {ECO:0000313|Proteomes:UP000000485}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 13127 / NRRL B-14078 {ECO:0000313|Proteomes:UP000000485};
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Munk A., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA Kyrpides N., Ivanova N., Ovchinnikova G., Pagani I., Mead D., Brumm P.,
RA Woyke T.;
RT "Complete sequence of Cellvibrio gilvus ATCC 13127.";
RL Submitted (APR-2011) 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:0000256|ARBA:ARBA00025589, ECO:0000256|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;
CC Evidence={ECO:0000256|ARBA:ARBA00024632, ECO:0000256|HAMAP-
CC Rule:MF_01113};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01113};
CC Note=Binds 2 magnesium ions per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01113};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_01113}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01113}.
CC -!- SIMILARITY: Belongs to the DNA polymerase type-Y family.
CC {ECO:0000256|ARBA:ARBA00010945, ECO:0000256|HAMAP-Rule:MF_01113}.
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DR EMBL; CP002665; AEI12776.1; -; Genomic_DNA.
DR AlphaFoldDB; F8A118; -.
DR STRING; 593907.Celgi_2276; -.
DR KEGG; cga:Celgi_2276; -.
DR eggNOG; COG0389; Bacteria.
DR HOGENOM; CLU_012348_1_0_11; -.
DR OMA; CDNFAKK; -.
DR OrthoDB; 9808813at2; -.
DR Proteomes; UP000000485; 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; 3.30.70.270; -; 1.
DR Gene3D; 3.40.1170.60; -; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR Gene3D; 3.30.1490.100; DNA polymerase, Y-family, little finger domain; 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 PANTHER; PTHR11076:SF33; DNA POLYMERASE KAPPA; 1.
DR PANTHER; PTHR11076; DNA REPAIR POLYMERASE UMUC / TRANSFERASE FAMILY MEMBER; 1.
DR Pfam; PF00817; IMS; 1.
DR Pfam; PF11799; IMS_C; 1.
DR Pfam; PF11798; IMS_HHH; 1.
DR SUPFAM; SSF56672; DNA/RNA polymerases; 1.
DR SUPFAM; SSF100879; Lesion bypass DNA polymerase (Y-family), little finger domain; 1.
DR PROSITE; PS50173; UMUC; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01113};
KW DNA damage {ECO:0000256|HAMAP-Rule:MF_01113};
KW DNA repair {ECO:0000256|HAMAP-Rule:MF_01113};
KW DNA replication {ECO:0000256|HAMAP-Rule:MF_01113};
KW DNA-binding {ECO:0000256|HAMAP-Rule:MF_01113};
KW DNA-directed DNA polymerase {ECO:0000256|HAMAP-Rule:MF_01113,
KW ECO:0000313|EMBL:AEI12776.1}; Magnesium {ECO:0000256|HAMAP-Rule:MF_01113};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01113};
KW Mutator protein {ECO:0000256|HAMAP-Rule:MF_01113};
KW Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01113,
KW ECO:0000313|EMBL:AEI12776.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000000485};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01113, ECO:0000313|EMBL:AEI12776.1}.
FT DOMAIN 21..198
FT /note="UmuC"
FT /evidence="ECO:0000259|PROSITE:PS50173"
FT ACT_SITE 116
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT BINDING 25
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT BINDING 115
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT SITE 30
FT /note="Substrate discrimination"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
SQ SEQUENCE 414 AA; 43950 MW; B4014822ADD48648 CRC64;
MGGRVEHVFV RPDHPRRDAT ILHADLDAFY ASVEQRDDPR LRRRPVAVGG GVVLSASYEA
RRRGVRTAMG GAQARRLCPD LIVVPPRFDE YVAASRAVFA VFRETTPQVQ GVSIDEAFLD
VAGLRHVDPT PPVGIGARVR RRVRDEVGLP ITVGVARTPF LSKVASRVGK PDGLLLVPPD
REAAFLHPLP VETLWGVGAV TAARLHALGL HTAGDVAALP EDVLRGVLGP AAGAHLFAVV
HGRTGTHLVT DHARGSIGAQ RALGRGPHPP ADVRAALLGL VDRVARRLRA AHLVARTVVL
RLRFADFTRA TRSRTLAFGT ASGPELTSCA THLLDSVGAL VDERGLTLIG VALTGLGSDA
AVQPALALDA PDRERLDSAT DALRERFGAR SLTRASLLRV GDGFAAPQLP EHGP
//