ID   SSB_PSESM               Reviewed;         189 AA.
AC   Q889U1;
DT   24-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 110.
DE   RecName: Full=Single-stranded DNA-binding protein {ECO:0000255|HAMAP-Rule:MF_00984};
DE            Short=SSB {ECO:0000255|HAMAP-Rule:MF_00984};
GN   Name=ssb; OrderedLocusNames=PSPTO_0656;
OS   Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=223283;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-871 / DC3000;
RX   PubMed=12928499; DOI=10.1073/pnas.1731982100;
RA   Buell C.R., Joardar V., Lindeberg M., Selengut J., Paulsen I.T.,
RA   Gwinn M.L., Dodson R.J., DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R.,
RA   Daugherty S.C., Brinkac L.M., Beanan M.J., Haft D.H., Nelson W.C.,
RA   Davidsen T.M., Zafar N., Zhou L., Liu J., Yuan Q., Khouri H.M.,
RA   Fedorova N.B., Tran B., Russell D., Berry K.J., Utterback T.R.,
RA   Van Aken S.E., Feldblyum T.V., D'Ascenzo M., Deng W.-L., Ramos A.R.,
RA   Alfano J.R., Cartinhour S., Chatterjee A.K., Delaney T.P., Lazarowitz S.G.,
RA   Martin G.B., Schneider D.J., Tang X., Bender C.L., White O., Fraser C.M.,
RA   Collmer A.;
RT   "The complete genome sequence of the Arabidopsis and tomato pathogen
RT   Pseudomonas syringae pv. tomato DC3000.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10181-10186(2003).
CC   -!- FUNCTION: Plays an important role in DNA replication, recombination and
CC       repair. Binds to ssDNA and to an array of partner proteins to recruit
CC       them to their sites of action during DNA metabolism.
CC       {ECO:0000255|HAMAP-Rule:MF_00984}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00984}.
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DR   EMBL; AE016853; AAO54198.1; -; Genomic_DNA.
DR   RefSeq; NP_790503.1; NC_004578.1.
DR   RefSeq; WP_003426596.1; NC_004578.1.
DR   AlphaFoldDB; Q889U1; -.
DR   SMR; Q889U1; -.
DR   STRING; 223283.PSPTO_0656; -.
DR   World-2DPAGE; 0008:Q889U1; -.
DR   EnsemblBacteria; AAO54198; AAO54198; PSPTO_0656.
DR   GeneID; 61790247; -.
DR   GeneID; 65076941; -.
DR   KEGG; pst:PSPTO_0656; -.
DR   PATRIC; fig|223283.9.peg.662; -.
DR   eggNOG; COG0629; Bacteria.
DR   HOGENOM; CLU_078758_0_2_6; -.
DR   OMA; GQMQERT; -.
DR   OrthoDB; 1942216at2; -.
DR   PhylomeDB; Q889U1; -.
DR   Proteomes; UP000002515; Chromosome.
DR   GO; GO:0003697; F:single-stranded DNA binding; ISS:JCVI.
DR   GO; GO:0006310; P:DNA recombination; ISS:JCVI.
DR   GO; GO:0006281; P:DNA repair; ISS:JCVI.
DR   GO; GO:0006260; P:DNA replication; ISS:JCVI.
DR   CDD; cd04496; SSB_OBF; 1.
DR   Gene3D; 2.40.50.140; -; 1.
DR   HAMAP; MF_00984; SSB; 1.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR000424; Primosome_PriB/ssb.
DR   InterPro; IPR011344; ssDNA-bd.
DR   PANTHER; PTHR10302; PTHR10302; 1.
DR   Pfam; PF00436; SSB; 1.
DR   PIRSF; PIRSF002070; SSB; 1.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   TIGRFAMs; TIGR00621; ssb; 1.
DR   PROSITE; PS50935; SSB; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA recombination; DNA repair; DNA replication; DNA-binding;
KW   Reference proteome.
FT   CHAIN           1..189
FT                   /note="Single-stranded DNA-binding protein"
FT                   /id="PRO_0000096082"
FT   DOMAIN          5..109
FT                   /note="SSB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   REGION          110..189
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           184..189
FT                   /note="Important for interaction with partner proteins"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   COMPBIAS        121..177
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   189 AA;  20974 MW;  B757A66FE14CF010 CRC64;
     MARGVNKVIL VGTCGQDPEV RYLPNGNAVT NLSLATSEQW TDKQSGQKVE KTEWHRVSMF
     GKVAEIAGEY LRKGSQVYIE GKLQTREWEK DGIKRYTTEI VVDMQGTMQL LGGRPQGDAQ
     QGQGGGGNYN QSAPRPQQSR PQQSAPQQSA PQQNYNQQPP QQRDSRPAPQ QQAPQPAADF
     DSFDDDIPF