ID   RELB2_METJA             Reviewed;          61 AA.
AC   P0CW76;
DT   03-MAY-2011, integrated into UniProtKB/Swiss-Prot.
DT   03-MAY-2011, sequence version 1.
DT   25-MAY-2022, entry version 17.
DE   RecName: Full=Putative antitoxin RelB2;
GN   Name=relB2; OrderedLocusNames=MJ0909.1;
OS   Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM
OS   10045 / NBRC 100440) (Methanococcus jannaschii).
OC   Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC   Methanocaldococcaceae; Methanocaldococcus.
OX   NCBI_TaxID=243232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=8688087; DOI=10.1126/science.273.5278.1058;
RA   Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G.,
RA   Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R.,
RA   Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R.,
RA   Kirkness E.F., Weinstock K.G., Merrick J.M., Glodek A., Scott J.L.,
RA   Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R.,
RA   Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D.,
RA   Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P.,
RA   Fraser C.M., Smith H.O., Woese C.R., Venter J.C.;
RT   "Complete genome sequence of the methanogenic archaeon, Methanococcus
RT   jannaschii.";
RL   Science 273:1058-1073(1996).
RN   [2]
RP   IDENTIFICATION, AND POSSIBLE FUNCTION.
RC   STRAIN=ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440;
RX   PubMed=15718296; DOI=10.1093/nar/gki201;
RA   Pandey D.P., Gerdes K.;
RT   "Toxin-antitoxin loci are highly abundant in free-living but lost from
RT   host-associated prokaryotes.";
RL   Nucleic Acids Res. 33:966-976(2005).
CC   -!- FUNCTION: Antitoxin component of a type II toxin-antitoxin (TA) system.
CC       Its cognate toxin is RelE2 (Potential). {ECO:0000305}.
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DR   EMBL; L77117; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   RefSeq; WP_064496658.1; NC_000909.1.
DR   AlphaFoldDB; P0CW76; -.
DR   SMR; P0CW76; -.
DR   GeneID; 27929976; -.
DR   OrthoDB; 130946at2157; -.
DR   Proteomes; UP000000805; Chromosome.
PE   4: Predicted;
KW   Reference proteome; Toxin-antitoxin system.
FT   CHAIN           1..61
FT                   /note="Putative antitoxin RelB2"
FT                   /id="PRO_0000408468"
SQ   SEQUENCE   61 AA;  7093 MW;  3144BE941C838D43 CRC64;
     MSIVQSYITD EKGNIKGVIL DYKTFKKIEE LLLDYGLLKA MEEVENEEEI DLETAKKLLE
     Q