ID   VA1_BPBF2               Reviewed;          37 AA.
AC   P19347;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   23-FEB-2022, entry version 56.
DE   RecName: Full=Probable protein A1;
DE   Flags: Precursor; Fragment;
GN   Name=A1;
OS   Escherichia phage Bf23 (Enterobacteria phage BF23).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Demerecviridae; Markadamsvirinae; Tequintavirus.
OX   NCBI_TaxID=10707;
OH   NCBI_TaxID=562; Escherichia coli.
OH   NCBI_TaxID=90371; Salmonella typhimurium.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Wild-type;
RX   PubMed=2196743; DOI=10.1016/0042-6822(90)90541-x;
RA   Wiest J.S., McCorquodale D.J.;
RT   "Characterization of preearly genes in the terminal repetition of
RT   bacteriophage BF23 DNA by nucleotide sequencing and restriction mapping.";
RL   Virology 177:745-754(1990).
CC   -!- FUNCTION: Proteins A1 and A2-A3 are necessary for completion of phage
CC       DNA transfer. A1 is also required for the shut-off of expression of
CC       pre-early genes.
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DR   EMBL; M37095; AAA32180.1; -; Genomic_DNA.
DR   PIR; C46348; C46348.
DR   SMR; P19347; -.
PE   4: Predicted;
KW   Repressor; Signal; Transcription; Transcription regulation.
FT   SIGNAL          1..22
FT                   /evidence="ECO:0000305"
FT   CHAIN           23..>37
FT                   /note="Probable protein A1"
FT                   /id="PRO_0000003350"
FT   NON_TER         37
SQ   SEQUENCE   37 AA;  4431 MW;  838ED496FEC311E1 CRC64;
     MIFYPTESLI LGLFIMAASL LFAYFQNDLD SYYFKRK