ID   VXIS_BPP21              Reviewed;          78 AA.
AC   P27079;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   07-OCT-2020, entry version 55.
DE   RecName: Full=Excisionase;
GN   Name=xis;
OS   Enterobacteria phage P21 (Bacteriophage 21) (Bacteriophage P21).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae; Lambdavirus.
OX   NCBI_TaxID=10711;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1715186;
RA   Baker J., Limberger R., Schneider S.J., Campbell A.;
RT   "Recombination and modular exchange in the genesis of new lambdoid
RT   phages.";
RL   New Biol. 3:297-308(1991).
CC   -!- FUNCTION: Excisionase and integrase are necessary for the excision of
CC       prophage from the host genome by site-specific recombination at the att
CC       site.
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DR   EMBL; M61865; AAA32335.1; -; Genomic_DNA.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-KW.
DR   GO; GO:0032359; P:provirus excision; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.1660.20; -; 1.
DR   InterPro; IPR009061; DNA-bd_dom_put_sf.
DR   InterPro; IPR012884; Excisionase-like.
DR   InterPro; IPR038137; Excisionase-like_sf.
DR   Pfam; PF07825; Exc; 1.
DR   SUPFAM; SSF46955; SSF46955; 1.
PE   4: Predicted;
KW   DNA recombination; DNA-binding; Viral genome excision.
FT   CHAIN           1..78
FT                   /note="Excisionase"
FT                   /id="PRO_0000077710"
SQ   SEQUENCE   78 AA;  8845 MW;  2A3BC8AFC4C56A4A CRC64;
     MSRLITLQDW AKEEFGDLAP SERVLKKYAQ GKMMAPPAIK VGRYWMIDRN SRFVGTLAEP
     QLPINANPKL QRIIADGC