ID   IMPB_SALTM              Reviewed;         424 AA.
AC   P18642;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   25-MAY-2022, entry version 104.
DE   RecName: Full=Protein ImpB;
GN   Name=impB;
OS   Salmonella typhimurium.
OG   Plasmid IncI1 TP110.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=90371;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2129552; DOI=10.1093/nar/18.17.5045;
RA   Lodwick D., Owen D., Strike P.;
RT   "DNA sequence analysis of the imp UV protection and mutation operon of the
RT   plasmid TP110: identification of a third gene.";
RL   Nucleic Acids Res. 18:5045-5050(1990).
CC   -!- FUNCTION: Involved in UV protection and mutation.
CC   -!- SIMILARITY: Belongs to the DNA polymerase type-Y family. {ECO:0000305}.
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DR   EMBL; X53528; CAA37608.1; -; Genomic_DNA.
DR   PIR; JQ0661; JQ0661.
DR   RefSeq; NP_863406.1; NC_005014.1.
DR   RefSeq; WP_000457492.1; NZ_VCIU01000048.1.
DR   RefSeq; YP_008994914.1; NC_023275.1.
DR   RefSeq; YP_008995021.1; NC_023276.1.
DR   RefSeq; YP_008997550.1; NC_023290.1.
DR   RefSeq; YP_009022404.1; NC_023900.1.
DR   AlphaFoldDB; P18642; -.
DR   SMR; P18642; -.
DR   PRIDE; P18642; -.
DR   GO; GO:0003684; F:damaged DNA binding; IEA:InterPro.
DR   GO; GO:0006281; P:DNA repair; IEA:UniProtKB-KW.
DR   GO; GO:0009432; P:SOS response; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.1490.100; -; 1.
DR   Gene3D; 3.30.70.270; -; 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; IPR025188; DUF4113.
DR   InterPro; IPR043128; Rev_trsase/Diguanyl_cyclase.
DR   InterPro; IPR001126; UmuC.
DR   Pfam; PF13438; DUF4113; 1.
DR   Pfam; PF00817; IMS; 1.
DR   Pfam; PF11799; IMS_C; 1.
DR   SUPFAM; SSF100879; SSF100879; 1.
DR   SUPFAM; SSF56672; SSF56672; 1.
DR   PROSITE; PS50173; UMUC; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA repair; Plasmid; SOS mutagenesis; SOS response.
FT   CHAIN           1..424
FT                   /note="Protein ImpB"
FT                   /id="PRO_0000173978"
FT   DOMAIN          2..189
FT                   /note="UmuC"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00216"
SQ   SEQUENCE   424 AA;  47786 MW;  68C478C43DAA76F8 CRC64;
     MFALADINSF YASCEKVFRP DLRNEPVIVL SNNDGCVIAR SPEAKALGIR MGQPWFQVRQ
     MRLEKKIHVF SSNYALYHSM SQRVMAVLES LSPAVEPYSI DEMFIDLRGI NHCISPEFFG
     HQLREQVKSW TGLTMGVGIA PTKTLAKSAQ WATKQWPQFS GVVALTAENR NRILKLLGLQ
     PVGEVWGVGH RLTEKLNALG INTALQLAQA NTAFIRKNFS VILERTVREL NGESCISLEE
     APPAKQQIVC SRSFGERITD KDAMHQAVVQ YAERAAEKLR GERQYCRQVT TFVRTSPFAV
     KEPCYSNAAV EKLPLPTQDS RDIIAAACRA LNHVWREGYR YMKAGVMLAD FTPSGIAQPG
     LFDEIQPRKN SEKLMKTLDE LNQSGKGKVW FAGRGTAPEW QMKREMLSQC YTTKWRDIPL
     ARLG