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Database: UniProt
Entry: S6AHX5_PSERE
LinkDB: S6AHX5_PSERE
Original site: S6AHX5_PSERE 
ID   S6AHX5_PSERE            Unreviewed;       351 AA.
AC   S6AHX5;
DT   16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT   16-OCT-2013, sequence version 1.
DT   24-JAN-2024, entry version 55.
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   ECO:0000313|EMBL:BAN50207.1};
GN   ORFNames=PCA10_44750 {ECO:0000313|EMBL:BAN50207.1};
OS   Pseudomonas resinovorans NBRC 106553.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=1245471 {ECO:0000313|EMBL:BAN50207.1, ECO:0000313|Proteomes:UP000015503};
RN   [1] {ECO:0000313|EMBL:BAN50207.1, ECO:0000313|Proteomes:UP000015503}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NBRC 106553 {ECO:0000313|EMBL:BAN50207.1,
RC   ECO:0000313|Proteomes:UP000015503};
RX   PubMed=23887915; DOI=10.1128/genomeA.00488-13;
RA   Shintani M., Hosoyama A., Ohji S., Tsuchikane K., Takarada H., Yamazoe A.,
RA   Fujita N., Nojiri H.;
RT   "Complete Genome Sequence of the Carbazole Degrader Pseudomonas
RT   resinovorans Strain CA10 (NBRC 106553).";
RL   Genome Announc. 1:e00488-13(2013).
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|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: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; AP013068; BAN50207.1; -; Genomic_DNA.
DR   RefSeq; WP_016494337.1; NC_021499.1.
DR   AlphaFoldDB; S6AHX5; -.
DR   STRING; 1245471.PCA10_44750; -.
DR   KEGG; pre:PCA10_44750; -.
DR   PATRIC; fig|1245471.3.peg.4525; -.
DR   eggNOG; COG0389; Bacteria.
DR   HOGENOM; CLU_012348_1_2_6; -.
DR   OrthoDB; 9808813at2; -.
DR   Proteomes; UP000015503; 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|ARBA:ARBA00022932,
KW   ECO:0000256|HAMAP-Rule:MF_01113};
KW   Magnesium {ECO:0000256|HAMAP-Rule:MF_01113};
KW   Metal-binding {ECO:0000256|HAMAP-Rule:MF_01113};
KW   Mutator protein {ECO:0000256|ARBA:ARBA00022457, ECO:0000256|HAMAP-
KW   Rule:MF_01113};
KW   Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01113,
KW   ECO:0000313|EMBL:BAN50207.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000015503};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_01113, ECO:0000313|EMBL:BAN50207.1}.
FT   DOMAIN          6..187
FT                   /note="UmuC"
FT                   /evidence="ECO:0000259|PROSITE:PS50173"
FT   ACT_SITE        106
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   BINDING         10
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   BINDING         105
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   SITE            15
FT                   /note="Substrate discrimination"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
SQ   SEQUENCE   351 AA;  39342 MW;  3DACECB88ACB4F0C CRC64;
     MPQRKIIHID CDCFYAAIEM RDDPSLAGKP LAVGGSPDKR GVVATCNYDA RAYGVRSAMP
     MRTAIKLCPD LTIVRPRMDI YKGVSRQIHQ IFRDYTEIIE PLSLDEAFLD VSDTPHFNGS
     ATRIAQEIRR RVSAELHITV SAGVAPNKFI AKIASDWRKP DGLFVVTPDQ VDEFVAALPV
     SKLHGVGKVT AEKMTRLGVR TCADLRDWNK LALAREFGSF GERLYNLARG QDERPVQVDN
     RRQSISVENT YDQDLPDLDA CLAQLPALLD ELRGRMARLD SSYKPDKPFV KLKFHDFTQT
     TLEQAGARRD LESYRQLLAT AFARGDKPVR LIGVGVRLQD LRGAAEQLNL F
//
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