ID   VPB18_ARCFU             Reviewed;          73 AA.
AC   O28282;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 88.
DE   RecName: Full=Putative antitoxin VapB18 {ECO:0000255|HAMAP-Rule:MF_00794};
GN   Name=vapB18; OrderedLocusNames=AF_1997;
OS   Archaeoglobus fulgidus (strain ATCC 49558 / DSM 4304 / JCM 9628 / NBRC
OS   100126 / VC-16).
OC   Archaea; Euryarchaeota; Archaeoglobi; Archaeoglobales; Archaeoglobaceae;
OC   Archaeoglobus.
OX   NCBI_TaxID=224325;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16;
RX   PubMed=9389475; DOI=10.1038/37052;
RA   Klenk H.-P., Clayton R.A., Tomb J.-F., White O., Nelson K.E., Ketchum K.A.,
RA   Dodson R.J., Gwinn M.L., Hickey E.K., Peterson J.D., Richardson D.L.,
RA   Kerlavage A.R., Graham D.E., Kyrpides N.C., Fleischmann R.D.,
RA   Quackenbush J., Lee N.H., Sutton G.G., Gill S.R., Kirkness E.F.,
RA   Dougherty B.A., McKenney K., Adams M.D., Loftus B.J., Peterson S.N.,
RA   Reich C.I., McNeil L.K., Badger J.H., Glodek A., Zhou L., Overbeek R.,
RA   Gocayne J.D., Weidman J.F., McDonald L.A., Utterback T.R., Cotton M.D.,
RA   Spriggs T., Artiach P., Kaine B.P., Sykes S.M., Sadow P.W., D'Andrea K.P.,
RA   Bowman C., Fujii C., Garland S.A., Mason T.M., Olsen G.J., Fraser C.M.,
RA   Smith H.O., Woese C.R., Venter J.C.;
RT   "The complete genome sequence of the hyperthermophilic, sulphate-reducing
RT   archaeon Archaeoglobus fulgidus.";
RL   Nature 390:364-370(1997).
RN   [2]
RP   POSSIBLE FUNCTION.
RC   STRAIN=ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16;
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: Possibly the antitoxin component of a type II toxin-antitoxin
CC       (TA) system. Its cognate toxin is VapC18 (Potential).
CC       {ECO:0000255|HAMAP-Rule:MF_00794}.
CC   -!- SIMILARITY: Belongs to the UPF0330 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00794}.
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DR   EMBL; AE000782; AAB89264.1; -; Genomic_DNA.
DR   PIR; D69499; D69499.
DR   RefSeq; WP_010879489.1; NC_000917.1.
DR   AlphaFoldDB; O28282; -.
DR   STRING; 224325.AF_1997; -.
DR   EnsemblBacteria; AAB89264; AAB89264; AF_1997.
DR   GeneID; 24795743; -.
DR   KEGG; afu:AF_1997; -.
DR   eggNOG; arCOG02681; Archaea.
DR   HOGENOM; CLU_170073_3_0_2; -.
DR   OMA; IMIRDEV; -.
DR   OrthoDB; 124152at2157; -.
DR   PhylomeDB; O28282; -.
DR   Proteomes; UP000002199; Chromosome.
DR   HAMAP; MF_00794; UPF0330; 1.
DR   InterPro; IPR003847; Put_antitoxin.
DR   Pfam; PF02697; VAPB_antitox; 1.
PE   3: Inferred from homology;
KW   Reference proteome; Toxin-antitoxin system.
FT   CHAIN           1..73
FT                   /note="Putative antitoxin VapB18"
FT                   /id="PRO_0000157106"
SQ   SEQUENCE   73 AA;  8628 MW;  5ECB828CD1F1B2A7 CRC64;
     MTKTISISDD VYEMLVKIKG KRSFSEVIRE LVKKEGNFDL LMVAFGTRSE EEVEKLKREM
     KEVEEWMQSL CNH