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XERC_LACDB
ID   XERC_LACDB              Reviewed;         295 AA.
AC   Q04A03;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Tyrosine recombinase XerC {ECO:0000255|HAMAP-Rule:MF_01808};
GN   Name=xerC {ECO:0000255|HAMAP-Rule:MF_01808}; OrderedLocusNames=LBUL_1188;
OS   Lactobacillus delbrueckii subsp. bulgaricus (strain ATCC BAA-365 / Lb-18).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=321956;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-365 / Lb-18;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(2006).
CC   -!- FUNCTION: Site-specific tyrosine recombinase, which acts by catalyzing
CC       the cutting and rejoining of the recombining DNA molecules. The XerC-
CC       XerD complex is essential to convert dimers of the bacterial chromosome
CC       into monomers to permit their segregation at cell division. It also
CC       contributes to the segregational stability of plasmids.
CC       {ECO:0000255|HAMAP-Rule:MF_01808}.
CC   -!- SUBUNIT: Forms a cyclic heterotetrameric complex composed of two
CC       molecules of XerC and two molecules of XerD. {ECO:0000255|HAMAP-
CC       Rule:MF_01808}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01808}.
CC   -!- SIMILARITY: Belongs to the 'phage' integrase family. XerC subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01808}.
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DR   EMBL; CP000412; ABJ58719.1; -; Genomic_DNA.
DR   RefSeq; WP_003618694.1; NC_008529.1.
DR   AlphaFoldDB; Q04A03; -.
DR   SMR; Q04A03; -.
DR   KEGG; lbu:LBUL_1188; -.
DR   HOGENOM; CLU_027562_9_0_9; -.
DR   OMA; QAFWYLI; -.
DR   BioCyc; LDEL321956:LBUL_RS05545-MON; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0009037; F:tyrosine-based site-specific recombinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0007049; P:cell cycle; IEA:UniProtKB-KW.
DR   GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR   GO; GO:0007059; P:chromosome segregation; IEA:UniProtKB-UniRule.
DR   GO; GO:0006313; P:transposition, DNA-mediated; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.10.150.130; -; 1.
DR   Gene3D; 1.10.443.10; -; 1.
DR   HAMAP; MF_01808; Recomb_XerC_XerD; 1.
DR   InterPro; IPR044068; CB.
DR   InterPro; IPR011010; DNA_brk_join_enz.
DR   InterPro; IPR013762; Integrase-like_cat_sf.
DR   InterPro; IPR002104; Integrase_catalytic.
DR   InterPro; IPR010998; Integrase_recombinase_N.
DR   InterPro; IPR004107; Integrase_SAM-like_N.
DR   InterPro; IPR011931; Recomb_XerC.
DR   InterPro; IPR023009; Tyrosine_recombinase_XerC/XerD.
DR   Pfam; PF02899; Phage_int_SAM_1; 1.
DR   Pfam; PF00589; Phage_integrase; 1.
DR   SUPFAM; SSF56349; SSF56349; 1.
DR   TIGRFAMs; TIGR02224; recomb_XerC; 1.
DR   PROSITE; PS51900; CB; 1.
DR   PROSITE; PS51898; TYR_RECOMBINASE; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Chromosome partition; Cytoplasm;
KW   DNA integration; DNA recombination; DNA-binding.
FT   CHAIN           1..295
FT                   /note="Tyrosine recombinase XerC"
FT                   /id="PRO_1000070009"
FT   DOMAIN          1..84
FT                   /note="Core-binding (CB)"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01248"
FT   DOMAIN          105..289
FT                   /note="Tyr recombinase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01246"
FT   ACT_SITE        145
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
FT   ACT_SITE        169
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
FT   ACT_SITE        241
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
FT   ACT_SITE        244
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
FT   ACT_SITE        267
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
FT   ACT_SITE        276
FT                   /note="O-(3'-phospho-DNA)-tyrosine intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01808"
SQ   SEQUENCE   295 AA;  33681 MW;  A4F0E8CC724923FE CRC64;
     MTLEEQFLSY LKNERSYSPK TVLAYQKDLA AAKKFWQENG GFPGWDQISR RDLEIYLLAT
     GQKLASSTLS RKLSSLKSFY RFLTRRGLVK ADPTVAIQLR RGKKKLPEFF YQDEVGQVIR
     SLNDGKPLTV RNRAIVALFY ATGMRLSELT DLKIKQLDLE NGMILVHGKG NKDRYVFFDQ
     ESKKYLEEYL QAARPSLLKN EPDTGAVFLN KLGRPISSRG IAKAVQQIFQ KAGLTAGAHP
     HELRHSFATA MLNNGADLRS VQELLGHEDL STTQIYTHVS MQHLTVEYRQ HFPRK
 
 
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