ID   SAS2_PRIMG              Reviewed;          73 AA.
AC   P10571;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   25-MAY-2022, entry version 63.
DE   RecName: Full=Small, acid-soluble spore protein C2;
DE            Short=SASP;
GN   Name=SASP-C2;
OS   Priestia megaterium (Bacillus megaterium).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Priestia.
OX   NCBI_TaxID=1404;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3928443; DOI=10.1016/0378-1119(85)90167-2;
RA   Fliss E.R., Setlow P.;
RT   "Genes for Bacillus megaterium small, acid-soluble spore proteins:
RT   nucleotide sequence of two genes and their expression during sporulation.";
RL   Gene 35:151-157(1985).
CC   -!- FUNCTION: SASP are bound to spore DNA. They are double-stranded DNA-
CC       binding proteins that cause DNA to change to an a-like conformation.
CC       They protect the DNA backbone from chemical and enzymatic cleavage and
CC       are thus involved in dormant spore's high resistance to UV light.
CC   -!- MISCELLANEOUS: SASP are degraded in the first minutes of spore
CC       germination and provide amino acids for both new protein synthesis and
CC       metabolism.
CC   -!- SIMILARITY: Belongs to the alpha/beta-type SASP family. {ECO:0000305}.
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DR   EMBL; M10920; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   PIR; B24033; B24033.
DR   AlphaFoldDB; P10571; -.
DR   SMR; P10571; -.
DR   GO; GO:0003690; F:double-stranded DNA binding; IEA:InterPro.
DR   GO; GO:0006265; P:DNA topological change; IEA:InterPro.
DR   GO; GO:0030435; P:sporulation resulting in formation of a cellular spore; IEA:UniProtKB-KW.
DR   Gene3D; 6.10.10.80; -; 1.
DR   InterPro; IPR001448; SASP_alpha/beta-type.
DR   InterPro; IPR018126; SASP_alpha/beta-type_CS.
DR   InterPro; IPR038300; SASP_sf_alpha/beta.
DR   Pfam; PF00269; SASP; 1.
DR   PROSITE; PS00304; SASP_1; 1.
DR   PROSITE; PS00684; SASP_2; 1.
PE   3: Inferred from homology;
KW   DNA-binding; Sporulation.
FT   CHAIN           1..73
FT                   /note="Small, acid-soluble spore protein C2"
FT                   /id="PRO_0000196295"
FT   SITE            27..28
FT                   /note="Cleavage; by spore protease"
SQ   SEQUENCE   73 AA;  7731 MW;  C44EFAFFECAFB24F CRC64;
     MANNKSSNNN ELLVYGAEQA IDQMKYEIAS EFGVNLGADT TARANGSVGG EITKRLVQLA
     EQQLGGGRSK TTL