ID   X193_ECOLX              Reviewed;         169 AA.
AC   Q00739; Q6LBV2;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   25-MAY-2022, entry version 62.
DE   RecName: Full=X polypeptide;
DE   AltName: Full=ORF 19;
DE   AltName: Full=ORF169;
DE   AltName: Full=P19 protein;
GN   Name=X; Synonyms=19;
OS   Escherichia coli.
OG   Plasmid IncFI P307.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=711;
RX   PubMed=2096398; DOI=10.1016/0147-619x(90)90014-4;
RA   Graus-Goeldner A., Graus H., Schlacher T., Hoegenauer G.;
RT   "The sequences of genes bordering oriT in the enterotoxin plasmid P307:
RT   comparison with the sequences of plasmids F and R1.";
RL   Plasmid 24:119-131(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-16.
RX   PubMed=2827206; DOI=10.1016/0147-619x(87)90080-1;
RA   Goeldner A., Graus H., Hoegenauer G.;
RT   "The origin of transfer of P307.";
RL   Plasmid 18:76-83(1987).
CC   -!- SIMILARITY: Belongs to the IagB/IpgF/P19 family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAA29782.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; M62986; AAA25521.1; -; Genomic_DNA.
DR   EMBL; X06534; CAA29782.1; ALT_INIT; Genomic_DNA.
DR   PIR; A37390; A37390.
DR   AlphaFoldDB; Q00739; -.
DR   SMR; Q00739; -.
DR   PATRIC; fig|562.6988.peg.281; -.
DR   InterPro; IPR023346; Lysozyme-like_dom_sf.
DR   InterPro; IPR008258; Transglycosylase_SLT_dom_1.
DR   Pfam; PF01464; SLT; 1.
DR   SUPFAM; SSF53955; SSF53955; 1.
PE   3: Inferred from homology;
KW   Plasmid.
FT   CHAIN           1..169
FT                   /note="X polypeptide"
FT                   /id="PRO_0000068498"
SQ   SEQUENCE   169 AA;  19327 MW;  F9123E8DCD9BCB4A CRC64;
     MKKWMLAICL MFINEICHAT DCFDLAGRDY KIDPDLLRAI SWKESRYRVN AIGINPVTGY
     GSGLMQVDSQ HFNELARYGI NPEHLTTDPC MNIYTGAYYL AIAFKKWGIT WEAVGAYNAG
     FRKTERQNQR RLAYASDVYR IYTGIKSSKG IRIPVTKKSL PEINSVQNN