ID   ERF_BPP22               Reviewed;         205 AA.
AC   P04892; Q7PCG2;
DT   13-AUG-1987, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 2.
DT   02-JUN-2021, entry version 69.
DE   RecName: Full=Essential recombination function protein;
GN   Name=erf;
OS   Salmonella phage P22 (Bacteriophage P22).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Podoviridae; Lederbergvirus.
OX   NCBI_TaxID=10754;
OH   NCBI_TaxID=90371; Salmonella typhimurium.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3612797; DOI=10.1016/0022-2836(87)90719-4;
RA   Murphy K.C., Casey L., Yannoutsos N., Poteete A.R.;
RT   "Localization of a DNA-binding determinant in the bacteriophage P22 Erf
RT   protein.";
RL   J. Mol. Biol. 194:105-117(1987).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=6210989; DOI=10.1016/0042-6822(82)90101-5;
RA   Poteete A.R.;
RT   "Location and sequence of the erf gene of phage P22.";
RL   Virology 119:422-429(1982).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=11053393; DOI=10.1128/jb.182.22.6472-6481.2000;
RA   Vander Byl C.S., Kropinski A.M.B.;
RT   "Sequence of the genome of Salmonella bacteriophage P22.";
RL   J. Bacteriol. 182:6472-6481(2000).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12562822; DOI=10.1128/jb.185.4.1475-1477.2003;
RA   Pedulla M.L., Ford M.E., Karthikeyan T., Houtz J.M., Hendrix R.W.,
RA   Hatfull G.F., Poteete A.R., Gilcrease E.B., Winn-Stapley D.A.,
RA   Casjens S.R.;
RT   "Corrected sequence of the bacteriophage P22 genome.";
RL   J. Bacteriol. 185:1475-1477(2003).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-2.
RX   PubMed=2738922; DOI=10.1016/0022-2836(89)90437-3;
RA   Semerjian A.V., Malloy D.C., Poteete A.R.;
RT   "Genetic structure of the bacteriophage P22 PL operon.";
RL   J. Mol. Biol. 207:1-13(1989).
CC   -!- FUNCTION: Promotes homologous recombination. Essential for P22 growth
CC       in a recA, but not a wild-type, host.
CC   -!- SIMILARITY: To phage H-19B erf. {ECO:0000305}.
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DR   EMBL; J02471; AAA88343.1; -; Genomic_DNA.
DR   EMBL; V01152; CAA24469.1; -; Genomic_DNA.
DR   EMBL; X05268; CAA28884.1; -; Genomic_DNA.
DR   EMBL; AF217253; AAF75014.1; -; Genomic_DNA.
DR   EMBL; X15637; CAA33653.1; -; Genomic_DNA.
DR   EMBL; BK000583; DAA01011.1; -; Genomic_DNA.
DR   PIR; S07283; S07283.
DR   RefSeq; NP_059596.1; NC_002371.2.
DR   GeneID; 1262800; -.
DR   KEGG; vg:1262800; -.
DR   Proteomes; UP000001795; Genome.
DR   Proteomes; UP000007960; Genome.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   InterPro; IPR007499; ERF_bacteria_virus.
DR   Pfam; PF04404; ERF; 1.
PE   4: Predicted;
KW   DNA-binding; Early protein; Reference proteome.
FT   CHAIN           1..205
FT                   /note="Essential recombination function protein"
FT                   /id="PRO_0000077733"
FT   REGION          124..150
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        132..150
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   CONFLICT        27
FT                   /note="G -> V (in Ref. 1; CAA28884)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   205 AA;  23001 MW;  2CC92241338533EB CRC64;
     MSKEFYARLA EIQEHLNAPK NQYNSFGKYK YRSCEDILEG VKPLLKGLFL SISDEIVLIG
     DRYYVKATAT ITDGENSHSA SAIAREEENK KGMDAAQVTG ATSSYARKYC LNGLFGIDDA
     KDADTEEHKQ QQNAAPAKQT KSSPSSPAPE QVLKAFSEYA ATETDKKKLI ERYQHDWQLL
     TGHDDEQTKC VQVMNIRINE LKQVA