ID   IMMJ_ECOLX              Reviewed;         115 AA.
AC   P08702;
DT   01-JAN-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1988, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Colicin-Ib immunity protein;
OS   Escherichia coli.
OG   Plasmid IncI1 ColIb-P9.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3531169; DOI=10.1128/jb.168.1.228-236.1986;
RA   Mankovich J.A., Hsu C.-H., Konisky J.;
RT   "DNA and amino acid sequence analysis of structural and immunity genes of
RT   colicins Ia and Ib.";
RL   J. Bacteriol. 168:228-236(1986).
CC   -!- FUNCTION: This protein is able to protect a cell, which harbors the
CC       plasmid IncI1 ColIb-P9 encoding colicin Ib, against colicin Ib.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC       protein {ECO:0000305}.
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DR   EMBL; M13820; AAA23189.1; -; Genomic_DNA.
DR   PIR; F25035; F25035.
DR   RefSeq; WP_000762570.1; NZ_WVVM01000022.1.
DR   RefSeq; YP_008998725.1; NC_023329.1.
DR   RefSeq; YP_009059982.1; NC_024955.2.
DR   RefSeq; YP_009061430.1; NC_024978.1.
DR   RefSeq; YP_009061563.1; NC_024979.1.
DR   RefSeq; YP_009061686.1; NC_024980.1.
DR   RefSeq; YP_009068748.1; NC_025142.1.
DR   RefSeq; YP_009068983.1; NC_025143.1.
DR   RefSeq; YP_009069104.1; NC_025144.1.
DR   RefSeq; YP_009070841.1; NC_025176.1.
DR   AlphaFoldDB; P08702; -.
DR   GeneID; 39515141; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015643; F:toxic substance binding; IEA:InterPro.
DR   GO; GO:0030153; P:bacteriocin immunity; IEA:UniProtKB-KW.
DR   InterPro; IPR003061; Microcin.
DR   Pfam; PF03526; Microcin; 1.
PE   4: Predicted;
KW   Bacteriocin immunity; Cell membrane; Membrane; Plasmid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..115
FT                   /note="Colicin-Ib immunity protein"
FT                   /id="PRO_0000218694"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        38..58
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   115 AA;  13219 MW;  B6DFDED819EDDB9A CRC64;
     MKLDISVKYL LKSLIPILII LTVFYLGWKD NQENARMFYA FIGCIISAIT FPFSMRIIQK
     MVIRFTGKEF WQKDFFTNPV GGSLTAIFEL FCFVISVPVV AIYLIFILCK ALSGK