ID   VPB21_SULTO             Reviewed;          73 AA.
AC   Q96Z89;
DT   31-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Putative antitoxin VapB21 {ECO:0000255|HAMAP-Rule:MF_00794};
GN   Name=vapB21; OrderedLocusNames=STK_19425; ORFNames=STS208;
OS   Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
OS   (Sulfolobus tokodaii).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Sulfurisphaera.
OX   NCBI_TaxID=273063;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
RX   PubMed=11572479; DOI=10.1093/dnares/8.4.123;
RA   Kawarabayasi Y., Hino Y., Horikawa H., Jin-no K., Takahashi M., Sekine M.,
RA   Baba S., Ankai A., Kosugi H., Hosoyama A., Fukui S., Nagai Y.,
RA   Nishijima K., Otsuka R., Nakazawa H., Takamiya M., Kato Y., Yoshizawa T.,
RA   Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K.,
RA   Masuda S., Yanagii M., Nishimura M., Yamagishi A., Oshima T., Kikuchi H.;
RT   "Complete genome sequence of an aerobic thermoacidophilic Crenarchaeon,
RT   Sulfolobus tokodaii strain7.";
RL   DNA Res. 8:123-140(2001).
RN   [2]
RP   POSSIBLE FUNCTION.
RC   STRAIN=DSM 16993 / JCM 10545 / NBRC 100140 / 7;
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 VapC21 (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; BA000023; BAB67037.1; -; Genomic_DNA.
DR   RefSeq; WP_010980013.1; NC_003106.2.
DR   AlphaFoldDB; Q96Z89; -.
DR   SMR; Q96Z89; -.
DR   EnsemblBacteria; BAB67037; BAB67037; STK_19425.
DR   GeneID; 1460002; -.
DR   KEGG; sto:STK_19425; -.
DR   PATRIC; fig|273063.9.peg.2212; -.
DR   eggNOG; arCOG02681; Archaea.
DR   OMA; ERWNVNA; -.
DR   OrthoDB; 130926at2157; -.
DR   Proteomes; UP000001015; 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 VapB21"
FT                   /id="PRO_0000157117"
SQ   SEQUENCE   73 AA;  8643 MW;  7ACAD51F6E341670 CRC64;
     MAKTITISEE AYRLLLSEKR EGESFSDVII RLVKSSRKNI MDYAGIWGDM NDEEVNKLFE
     DLKKMWERWN VNA