ID   SSB_BUCAP               Reviewed;         162 AA.
AC   Q8K933;
DT   15-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 112.
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=BUsg_527;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(2002).
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; AE013218; AAM68068.1; -; Genomic_DNA.
DR   RefSeq; WP_044006063.1; NC_004061.1.
DR   AlphaFoldDB; Q8K933; -.
DR   SMR; Q8K933; -.
DR   STRING; 198804.BUsg_527; -.
DR   EnsemblBacteria; AAM68068; AAM68068; BUsg_527.
DR   KEGG; bas:BUsg_527; -.
DR   eggNOG; COG0629; Bacteria.
DR   HOGENOM; CLU_078758_0_2_6; -.
DR   OMA; SGSVKCR; -.
DR   OrthoDB; 1942216at2; -.
DR   Proteomes; UP000000416; Chromosome.
DR   GO; GO:0003697; F:single-stranded DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006310; P:DNA recombination; IEA:UniProtKB-UniRule.
DR   GO; GO:0006281; P:DNA repair; IEA:UniProtKB-UniRule.
DR   GO; GO:0006260; P:DNA replication; IEA:UniProtKB-UniRule.
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.
FT   CHAIN           1..162
FT                   /note="Single-stranded DNA-binding protein"
FT                   /id="PRO_0000096018"
FT   DOMAIN          6..111
FT                   /note="SSB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   DNA_BIND        55..61
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   MOTIF           157..162
FT                   /note="Important for interaction with partner proteins"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
SQ   SEQUENCE   162 AA;  18392 MW;  E6F2F6FDBD722F98 CRC64;
     MASRGVNKVI LIGHLGQDPE VRYMPNGNAV VNMTLATSEN WKDKNTGENK EKTEWHRIVL
     FGKLAEIAGE YLRKGSQVYI EGSLQTRKWQ DQNGLERYTT EVIVNIGGTM QMLGNRNSNS
     HNVTLNENNN IVKTKKIEIN NSPKKIEKID SSEIDFDDEI PF