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Database: UniProt
Entry: W2BVG2_9FIRM
LinkDB: W2BVG2_9FIRM
Original site: W2BVG2_9FIRM 
ID   W2BVG2_9FIRM            Unreviewed;       400 AA.
AC   W2BVG2;
DT   19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT   19-MAR-2014, sequence version 1.
DT   24-JAN-2024, entry version 46.
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=HMPREF0378_0424 {ECO:0000313|EMBL:ETJ98978.1};
OS   Eubacterium nodatum ATCC 33099.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales;
OC   Eubacteriales Family XIII. Incertae Sedis.
OX   NCBI_TaxID=1161902 {ECO:0000313|EMBL:ETJ98978.1, ECO:0000313|Proteomes:UP000018868};
RN   [1] {ECO:0000313|EMBL:ETJ98978.1, ECO:0000313|Proteomes:UP000018868}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33099 {ECO:0000313|EMBL:ETJ98978.1,
RC   ECO:0000313|Proteomes:UP000018868};
RA   Durkin A.S., Haft D.R., McCorrison J., Torralba M., Gillis M., Haft D.H.,
RA   Methe B., Sutton G., Nelson K.E.;
RL   Submitted (DEC-2013) 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|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}.
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:ETJ98978.1}.
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DR   EMBL; AZKM01000028; ETJ98978.1; -; Genomic_DNA.
DR   AlphaFoldDB; W2BVG2; -.
DR   STRING; 1161902.HMPREF0378_0424; -.
DR   PATRIC; fig|1161902.3.peg.1583; -.
DR   eggNOG; COG0389; Bacteria.
DR   OrthoDB; 9808813at2; -.
DR   Proteomes; UP000018868; 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|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01113};
KW   DNA damage {ECO:0000256|ARBA:ARBA00022763, ECO:0000256|HAMAP-
KW   Rule:MF_01113};
KW   DNA repair {ECO:0000256|ARBA:ARBA00023204, ECO:0000256|HAMAP-
KW   Rule:MF_01113}; 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   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   Reference proteome {ECO:0000313|Proteomes:UP000018868};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_01113}.
FT   DOMAIN          5..187
FT                   /note="UmuC"
FT                   /evidence="ECO:0000259|PROSITE:PS50173"
FT   ACT_SITE        106
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
FT   BINDING         9
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            14
FT                   /note="Substrate discrimination"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01113"
SQ   SEQUENCE   400 AA;  45154 MW;  0A5680067C309010 CRC64;
     MDKVILHCDV NSFYASVELL DYPELKDKPV AVSGSSDNRH GIILAKNEAA KRFGIVTAET
     TWQAMKKCPD LVLLPPNHKK YREFSIKLNK RYNMYTNLIE PFSVDESWLD VTASQKLFGN
     GEEIANSIRK RVKTELGLSL SIGVSFNKIF AKMGSEYKKP DATTLITREN YKSILWPLPV
     NQLFFVGYAT SEKLKANGVL TIGDLANSRE SKIKNLLGSQ GLVLRSYARG EDNSSVKDFN
     QRDKIKSVGN GMTFRRNISG QQDISLGLSH LSNTVAVRLR KYGLKAYGVK VDIKDPKFKV
     ISRQTQLDNA TNLAEEIRNT AMQIIQKYWD TEAEIRLLTI TAINLVDEKE SRQLSIFDNI
     EKSIEKSESL ERTMDAIRNK FGDESIDFAN IIGNDIGIDY
//
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