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Database: UniProt
Entry: T0JCV7_9SPHN
LinkDB: T0JCV7_9SPHN
Original site: T0JCV7_9SPHN 
ID   T0JCV7_9SPHN            Unreviewed;       373 AA.
AC   T0JCV7;
DT   16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT   16-OCT-2013, sequence version 1.
DT   24-JAN-2024, entry version 40.
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   ORFNames=L284_00560 {ECO:0000313|EMBL:EQB19699.1};
OS   Novosphingobium lindaniclasticum LE124.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Novosphingobium.
OX   NCBI_TaxID=1096930 {ECO:0000313|EMBL:EQB19699.1, ECO:0000313|Proteomes:UP000015527};
RN   [1] {ECO:0000313|EMBL:EQB19699.1, ECO:0000313|Proteomes:UP000015527}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LE124 {ECO:0000313|EMBL:EQB19699.1,
RC   ECO:0000313|Proteomes:UP000015527};
RX   PubMed=24029761;
RA   Saxena A., Nayyar N., Sangwan N., Kumari R., Khurana J.P., Lal R.;
RT   "Genome Sequence of Novosphingobium lindaniclasticum LE124T, Isolated from
RT   a Hexachlorocyclohexane Dumpsite.";
RL   Genome Announc. 1:e00715-13(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|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|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC       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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:EQB19699.1}.
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DR   EMBL; ATHL01000002; EQB19699.1; -; Genomic_DNA.
DR   RefSeq; WP_021232113.1; NZ_ATHL01000002.1.
DR   AlphaFoldDB; T0JCV7; -.
DR   PATRIC; fig|1096930.3.peg.113; -.
DR   eggNOG; COG0389; Bacteria.
DR   OrthoDB; 9808813at2; -.
DR   Proteomes; UP000015527; Unassembled WGS sequence.
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; 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   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}; Nucleotidyltransferase {ECO:0000256|HAMAP-Rule:MF_01113};
KW   Reference proteome {ECO:0000313|Proteomes:UP000015527};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_01113}.
FT   DOMAIN          20..200
FT                   /note="UmuC"
FT                   /evidence="ECO:0000259|PROSITE:PS50173"
FT   ACT_SITE        119
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   BINDING         24
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   BINDING         118
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   SITE            29
FT                   /note="Substrate discrimination"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
SQ   SEQUENCE   373 AA;  41268 MW;  258C12B0F0AD4BE7 CRC64;
     MAAHESESAN DDEADGLRKV IHVDMDAFYA SVEQRDDPSL RGKPVAVGGS SLRGVVAAAS
     YEARKFGVRS AMPSARAARL CPDLIFRKPR FEVYREVSQQ IRAIFHDYTP HVEPLSLDEA
     YLDVTADLKG IGSATRIAEE IRRRIKAETG LTASAGVSYN KFLAKLASDQ NKPDGLCVIR
     PGQGAQFVAG LPVRRFHGVG PRGAEKMARL GIETGADLRD RNIAFLRAQF GSFAEYLYQA
     ARGVDLRQVR ANRPRKSVGG ERTFFDNIQG TEALRETLGN IVDIVWDRIE RAEARGRTVT
     LKLRYADFTT LTRARSVHHF VADKAEFSTL GHALLEELLP LPQPIRLMGL TLSALERGEE
     ERRPAKDGQL SLL
//
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