ID   CSGB_SALTY              Reviewed;         151 AA.
AC   P0A1E8; P55226;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 65.
DE   RecName: Full=Minor curlin subunit;
DE   AltName: Full=Fimbrin SEF17 minor subunit;
DE   Flags: Precursor;
GN   Name=csgB; Synonyms=agfB; OrderedLocusNames=STM1143;
OS   Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=99287;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=SR-11;
RX   PubMed=9457880; DOI=10.1128/jb.180.3.722-731.1998;
RA   Romling U., Bian Z., Hammar M., Sierralta W.D., Normark S.;
RT   "Curli fibers are highly conserved between Salmonella typhimurium and
RT   Escherichia coli with respect to operon structure and regulation.";
RL   J. Bacteriol. 180:722-731(1998).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LT2 / SGSC1412 / ATCC 700720;
RX   PubMed=11677609; DOI=10.1038/35101614;
RA   McClelland M., Sanderson K.E., Spieth J., Clifton S.W., Latreille P.,
RA   Courtney L., Porwollik S., Ali J., Dante M., Du F., Hou S., Layman D.,
RA   Leonard S., Nguyen C., Scott K., Holmes A., Grewal N., Mulvaney E.,
RA   Ryan E., Sun H., Florea L., Miller W., Stoneking T., Nhan M., Waterston R.,
RA   Wilson R.K.;
RT   "Complete genome sequence of Salmonella enterica serovar Typhimurium LT2.";
RL   Nature 413:852-856(2001).
CC   -!- FUNCTION: Curlin is the structural subunit of the curli. Curli are
CC       coiled surface structures that assemble preferentially at growth
CC       temperatures below 37 degrees Celsius. Curli can bind to fibronectin.
CC       The minor subunit is the nucleation component of curlin monomers.
CC   -!- SUBCELLULAR LOCATION: Fimbrium. Note=Part of the curli surface
CC       structure.
CC   -!- SIMILARITY: Belongs to the CsgA/CsgB family. {ECO:0000305}.
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DR   EMBL; AJ002301; CAA05316.1; -; Genomic_DNA.
DR   EMBL; AE006468; AAL20073.1; -; Genomic_DNA.
DR   RefSeq; NP_460114.1; NC_003197.2.
DR   RefSeq; WP_000791655.1; NC_003197.2.
DR   AlphaFoldDB; P0A1E8; -.
DR   STRING; 99287.STM1143; -.
DR   PaxDb; P0A1E8; -.
DR   EnsemblBacteria; AAL20073; AAL20073; STM1143.
DR   GeneID; 1252661; -.
DR   KEGG; stm:STM1143; -.
DR   PATRIC; fig|99287.12.peg.1210; -.
DR   HOGENOM; CLU_116264_1_0_6; -.
DR   OMA; INIVQGR; -.
DR   PhylomeDB; P0A1E8; -.
DR   BioCyc; SENT99287:STM1143-MON; -.
DR   Proteomes; UP000001014; Chromosome.
DR   GO; GO:0009289; C:pilus; IEA:UniProtKB-SubCell.
DR   GO; GO:0007155; P:cell adhesion; IEA:InterPro.
DR   InterPro; IPR009742; Curlin_rpt.
DR   Pfam; PF07012; Curlin_rpt; 3.
PE   3: Inferred from homology;
KW   Fimbrium; Reference proteome; Signal.
FT   SIGNAL          1..21
FT                   /evidence="ECO:0000255"
FT   CHAIN           22..151
FT                   /note="Minor curlin subunit"
FT                   /id="PRO_0000006377"
SQ   SEQUENCE   151 AA;  16182 MW;  C0FC5430E6DD361D CRC64;
     MKNKLLFMML TILGAPGIAT ATNYDLARSE YNFAVNELSK SSFNQAAIIG QVGTDNSARV
     RQEGSKLLSV ISQEGGNNRA KVDQAGNYNF AYIEQTGNAN DASISQSAYG NSAAIIQKGS
     GNKANITQYG TQKTAVVVQK QSHMAIRVTQ R