ID   SP2SB_BACAN             Reviewed;          76 AA.
AC   Q81QD4; E9R882; E9R883; Q6HYL2; Q6KSL1;
DT   22-FEB-2012, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 86.
DE   RecName: Full=Stage II sporulation protein SB;
DE   AltName: Full=Antidote protein SpoIISB;
DE   AltName: Full=Antitoxin SpoIISB;
GN   Name=spoIISB; OrderedLocusNames=BA_2492, GBAA_2492, BAS2315;
OS   Bacillus anthracis.
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=1392;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames / isolate Porton;
RX   PubMed=12721629; DOI=10.1038/nature01586;
RA   Read T.D., Peterson S.N., Tourasse N.J., Baillie L.W., Paulsen I.T.,
RA   Nelson K.E., Tettelin H., Fouts D.E., Eisen J.A., Gill S.R.,
RA   Holtzapple E.K., Okstad O.A., Helgason E., Rilstone J., Wu M.,
RA   Kolonay J.F., Beanan M.J., Dodson R.J., Brinkac L.M., Gwinn M.L.,
RA   DeBoy R.T., Madpu R., Daugherty S.C., Durkin A.S., Haft D.H., Nelson W.C.,
RA   Peterson J.D., Pop M., Khouri H.M., Radune D., Benton J.L., Mahamoud Y.,
RA   Jiang L., Hance I.R., Weidman J.F., Berry K.J., Plaut R.D., Wolf A.M.,
RA   Watkins K.L., Nierman W.C., Hazen A., Cline R.T., Redmond C., Thwaite J.E.,
RA   White O., Salzberg S.L., Thomason B., Friedlander A.M., Koehler T.M.,
RA   Hanna P.C., Kolstoe A.-B., Fraser C.M.;
RT   "The genome sequence of Bacillus anthracis Ames and comparison to closely
RT   related bacteria.";
RL   Nature 423:81-86(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sterne;
RA   Brettin T.S., Bruce D., Challacombe J.F., Gilna P., Han C., Hill K.,
RA   Hitchcock P., Jackson P., Keim P., Longmire J., Lucas S., Okinaka R.,
RA   Richardson P., Rubin E., Tice H.;
RT   "Complete genome sequence of Bacillus anthracis Sterne.";
RL   Submitted (JAN-2004) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Ames ancestor;
RX   PubMed=18952800; DOI=10.1128/jb.01347-08;
RA   Ravel J., Jiang L., Stanley S.T., Wilson M.R., Decker R.S., Read T.D.,
RA   Worsham P., Keim P.S., Salzberg S.L., Fraser-Liggett C.M., Rasko D.A.;
RT   "The complete genome sequence of Bacillus anthracis Ames 'Ancestor'.";
RL   J. Bacteriol. 191:445-446(2009).
CC   -!- FUNCTION: Antitoxin component of a type II toxin-antitoxin (TA) system.
CC       Antitoxin that binds toxin SpoIISA and neutralizes its toxic activity
CC       (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Probably forms a complex with SpoIISA neutralizing its toxic
CC       activity. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the SpoIISB antitoxin family. {ECO:0000305}.
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DR   EMBL; AE016879; AAP26353.1; -; Genomic_DNA.
DR   EMBL; AE017334; AAT31605.1; -; Genomic_DNA.
DR   EMBL; AE017225; AAT54627.1; -; Genomic_DNA.
DR   RefSeq; NP_844867.3; NC_003997.3.
DR   AlphaFoldDB; Q81QD4; -.
DR   SMR; Q81QD4; -.
DR   STRING; 198094.BA_2492; -.
DR   DNASU; 1087327; -.
DR   EnsemblBacteria; AAP26353; AAP26353; BA_2492.
DR   EnsemblBacteria; AAT31605; AAT31605; GBAA_2492.
DR   KEGG; ban:BA_2492; -.
DR   KEGG; bar:GBAA_2492; -.
DR   KEGG; bat:BAS2315; -.
DR   PATRIC; fig|198094.11.peg.2464; -.
DR   HOGENOM; CLU_198764_0_0_9; -.
DR   Proteomes; UP000000427; Chromosome.
DR   Proteomes; UP000000594; Chromosome.
DR   GO; GO:0030435; P:sporulation resulting in formation of a cellular spore; IEA:UniProtKB-KW.
PE   3: Inferred from homology;
KW   Reference proteome; Sporulation; Toxin-antitoxin system.
FT   CHAIN           1..76
FT                   /note="Stage II sporulation protein SB"
FT                   /id="PRO_0000415545"
SQ   SEQUENCE   76 AA;  8989 MW;  51583C4ACA874928 CRC64;
     MLYNINKRLY LFEKGREEMA EVNVKKSSFF KEKKEVPNTD FSLLKGALIQ NLDRLEKFVE
     AIPYKYIKEG NVKENA