ID   INTG_SPV1R              Reviewed;         322 AA.
AC   P15894;
DT   01-APR-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 2.
DT   02-DEC-2020, entry version 74.
DE   RecName: Full=Putative integrase ORF3;
DE   AltName: Full=Gene 3 protein;
GN   ORFNames=ORF3;
OS   Spiroplasma virus SpV1-R8A2 B (SpV1) (Spiroplasma virus 1).
OC   Viruses; Monodnaviria; Loebvirae; Hofneiviricota; Faserviricetes;
OC   Tubulavirales; Plectroviridae; Vespertiliovirus.
OX   NCBI_TaxID=10854;
OH   NCBI_TaxID=2133; Spiroplasma citri.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2320423; DOI=10.1093/nar/18.5.1293;
RA   Renaudin J., Aullo P., Vignault J.C., Bove J.M.;
RT   "Complete nucleotide sequence of the genome of Spiroplasma citri virus
RT   SpV1-R8A2 B.";
RL   Nucleic Acids Res. 18:1293-1293(1990).
CC   -!- FUNCTION: This protein may encode an integrase, which is necessary for
CC       integration of the viral DNA into host genome.
CC   -!- SIMILARITY: Belongs to the plectrovirus integrase ORF3 family.
CC       {ECO:0000305}.
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DR   EMBL; X51344; CAA35729.1; -; Genomic_DNA.
DR   RefSeq; NP_040341.1; NC_001365.1.
DR   PRIDE; P15894; -.
DR   GeneID; 1260860; -.
DR   KEGG; vg:1260860; -.
DR   Proteomes; UP000001252; Genome.
DR   GO; GO:0004519; F:endonuclease activity; IEA:UniProtKB-KW.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0015074; P:DNA integration; IEA:UniProtKB-KW.
DR   GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.420.10; -; 1.
DR   InterPro; IPR001584; Integrase_cat-core.
DR   InterPro; IPR025246; IS30-like_HTH.
DR   InterPro; IPR012337; RNaseH-like_sf.
DR   InterPro; IPR036397; RNaseH_sf.
DR   Pfam; PF13936; HTH_38; 1.
DR   SUPFAM; SSF53098; SSF53098; 1.
DR   PROSITE; PS50994; INTEGRASE; 1.
PE   3: Inferred from homology;
KW   DNA integration; DNA recombination; Endonuclease; Hydrolase; Nuclease;
KW   Reference proteome.
FT   CHAIN           1..322
FT                   /note="Putative integrase ORF3"
FT                   /id="PRO_0000065793"
FT   DOMAIN          153..322
FT                   /note="Integrase catalytic"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00457"
SQ   SEQUENCE   322 AA;  38785 MW;  F1A39676CC70A1A2 CRC64;
     MYSHLSFMDK VKLEQLLLSK IFLKKNGEQN ISAIAKYLNR HRSTILREIK RFKTIDEYSA
     YKSDKMYYEK RKKNNKRFKF TEEQLNFIHL RFNVYHDSPS ELIYRYFLKF KVKFPVCVKT
     LYKWIRLGFY GFLKQNLRHH GKKYKRKGKS DNRGKLTDFK SIWDIDNKVS NVGWLEMDTV
     VGKDHKSAIL VLVEQLSKKY FAIKLENHTA REVEKKFKDI IIKNNLIGKI KGIITDRRKE
     FSKWREMEIF AETQVYFCDA GSPQQKPLIE YMNSELRHWF PKGTDFNKVS QKQIDWVVNV
     INDKLRPCLN WISSKEMFLQ NI