ID   SSPI_BACSU              Reviewed;          71 AA.
AC   P94537;
DT   11-JUL-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1997, sequence version 1.
DT   03-AUG-2022, entry version 108.
DE   RecName: Full=Small, acid-soluble spore protein I;
DE            Short=SASP I;
GN   Name=sspI; Synonyms=ysfA; OrderedLocusNames=BSU28660;
OS   Bacillus subtilis (strain 168).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=224308;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8969504; DOI=10.1099/13500872-142-11-3067;
RA   Wipat A., Carter N., Brignell C.S., Guy J.B., Piper K., Sanders J.,
RA   Emmerson P.T., Harwood C.R.;
RT   "The dnaB-pheA (256 degrees-240 degrees) region of the Bacillus subtilis
RT   chromosome containing genes responsible for stress responses, the
RT   utilization of plant cell walls and primary metabolism.";
RL   Microbiology 142:3067-3078(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=168;
RX   PubMed=9384377; DOI=10.1038/36786;
RA   Kunst F., Ogasawara N., Moszer I., Albertini A.M., Alloni G., Azevedo V.,
RA   Bertero M.G., Bessieres P., Bolotin A., Borchert S., Borriss R.,
RA   Boursier L., Brans A., Braun M., Brignell S.C., Bron S., Brouillet S.,
RA   Bruschi C.V., Caldwell B., Capuano V., Carter N.M., Choi S.-K.,
RA   Codani J.-J., Connerton I.F., Cummings N.J., Daniel R.A., Denizot F.,
RA   Devine K.M., Duesterhoeft A., Ehrlich S.D., Emmerson P.T., Entian K.-D.,
RA   Errington J., Fabret C., Ferrari E., Foulger D., Fritz C., Fujita M.,
RA   Fujita Y., Fuma S., Galizzi A., Galleron N., Ghim S.-Y., Glaser P.,
RA   Goffeau A., Golightly E.J., Grandi G., Guiseppi G., Guy B.J., Haga K.,
RA   Haiech J., Harwood C.R., Henaut A., Hilbert H., Holsappel S., Hosono S.,
RA   Hullo M.-F., Itaya M., Jones L.-M., Joris B., Karamata D., Kasahara Y.,
RA   Klaerr-Blanchard M., Klein C., Kobayashi Y., Koetter P., Koningstein G.,
RA   Krogh S., Kumano M., Kurita K., Lapidus A., Lardinois S., Lauber J.,
RA   Lazarevic V., Lee S.-M., Levine A., Liu H., Masuda S., Mauel C.,
RA   Medigue C., Medina N., Mellado R.P., Mizuno M., Moestl D., Nakai S.,
RA   Noback M., Noone D., O'Reilly M., Ogawa K., Ogiwara A., Oudega B.,
RA   Park S.-H., Parro V., Pohl T.M., Portetelle D., Porwollik S.,
RA   Prescott A.M., Presecan E., Pujic P., Purnelle B., Rapoport G., Rey M.,
RA   Reynolds S., Rieger M., Rivolta C., Rocha E., Roche B., Rose M., Sadaie Y.,
RA   Sato T., Scanlan E., Schleich S., Schroeter R., Scoffone F., Sekiguchi J.,
RA   Sekowska A., Seror S.J., Serror P., Shin B.-S., Soldo B., Sorokin A.,
RA   Tacconi E., Takagi T., Takahashi H., Takemaru K., Takeuchi M.,
RA   Tamakoshi A., Tanaka T., Terpstra P., Tognoni A., Tosato V., Uchiyama S.,
RA   Vandenbol M., Vannier F., Vassarotti A., Viari A., Wambutt R., Wedler E.,
RA   Wedler H., Weitzenegger T., Winters P., Wipat A., Yamamoto H., Yamane K.,
RA   Yasumoto K., Yata K., Yoshida K., Yoshikawa H.-F., Zumstein E.,
RA   Yoshikawa H., Danchin A.;
RT   "The complete genome sequence of the Gram-positive bacterium Bacillus
RT   subtilis.";
RL   Nature 390:249-256(1997).
RN   [3]
RP   PROTEIN SEQUENCE OF 1-12, AND SUBCELLULAR LOCATION.
RX   PubMed=9852018; DOI=10.1128/jb.180.24.6704-6712.1998;
RA   Bagyan I., Setlow B., Setlow P.;
RT   "New small, acid-soluble proteins unique to spores of Bacillus subtilis:
RT   identification of the coding genes and regulation and function of two of
RT   these genes.";
RL   J. Bacteriol. 180:6704-6712(1998).
RN   [4]
RP   SUBCELLULAR LOCATION, AND INDUCTION.
RX   PubMed=10806362; DOI=10.1016/s0378-1119(00)00125-6;
RA   Cabrera-Hernandez A., Setlow P.;
RT   "Analysis of the regulation and function of five genes encoding small,
RT   acid-soluble spore proteins of Bacillus subtilis.";
RL   Gene 248:169-181(2000).
CC   -!- SUBCELLULAR LOCATION: Spore core {ECO:0000269|PubMed:10806362,
CC       ECO:0000269|PubMed:9852018}.
CC   -!- INDUCTION: Expressed only in the forespore compartment of sporulating
CC       cells. Disappears after 45 minutes of spore germination. Expression is
CC       sigma G-dependent. {ECO:0000269|PubMed:10806362}.
CC   -!- SIMILARITY: Belongs to the SspI family. {ECO:0000305}.
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DR   EMBL; Z75208; CAA99601.1; -; Genomic_DNA.
DR   EMBL; AL009126; CAB14826.1; -; Genomic_DNA.
DR   PIR; B69984; B69984.
DR   RefSeq; NP_390744.1; NC_000964.3.
DR   RefSeq; WP_003229525.1; NZ_JNCM01000036.1.
DR   AlphaFoldDB; P94537; -.
DR   STRING; 224308.BSU28660; -.
DR   PaxDb; P94537; -.
DR   PRIDE; P94537; -.
DR   EnsemblBacteria; CAB14826; CAB14826; BSU_28660.
DR   GeneID; 937579; -.
DR   KEGG; bsu:BSU28660; -.
DR   PATRIC; fig|224308.179.peg.3114; -.
DR   eggNOG; ENOG5032YQ7; Bacteria.
DR   OMA; VLFEVYW; -.
DR   BioCyc; BSUB:BSU28660-MON; -.
DR   Proteomes; UP000001570; Chromosome.
DR   GO; GO:0030436; P:asexual sporulation; IEA:UniProtKB-UniRule.
DR   GO; GO:0030435; P:sporulation resulting in formation of a cellular spore; IEA:UniProtKB-KW.
DR   HAMAP; MF_00669; SspI; 1.
DR   InterPro; IPR017525; SspI.
DR   Pfam; PF14098; SSPI; 1.
DR   TIGRFAMs; TIGR03092; SASP_sspI; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Reference proteome; Sporulation.
FT   CHAIN           1..71
FT                   /note="Small, acid-soluble spore protein I"
FT                   /id="PRO_0000218335"
SQ   SEQUENCE   71 AA;  7853 MW;  010361FF63A925B5 CRC64;
     MDLNLRHAVI ANVTGNNQEQ LEHTIVDAIQ SGEEKMLPGL GVLFEVIWQH ASESEKNEML
     KTLEGGLKPA E