ID   SSB4_STRA5              Reviewed;         138 AA.
AC   Q8DXI7;
DT   24-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   25-MAY-2022, entry version 102.
DE   RecName: Full=Single-stranded DNA-binding protein 4 {ECO:0000255|HAMAP-Rule:MF_00984};
DE            Short=SSB 4 {ECO:0000255|HAMAP-Rule:MF_00984};
GN   Name=ssb4; OrderedLocusNames=SAG1863;
OS   Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=208435;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-611 / 2603 V/R;
RX   PubMed=12200547; DOI=10.1073/pnas.182380799;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Eisen J.A., Peterson S.N.,
RA   Wessels M.R., Paulsen I.T., Nelson K.E., Margarit I., Read T.D.,
RA   Madoff L.C., Wolf A.M., Beanan M.J., Brinkac L.M., Daugherty S.C.,
RA   DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R., Lewis M.R., Radune D.,
RA   Fedorova N.B., Scanlan D., Khouri H.M., Mulligan S., Carty H.A.,
RA   Cline R.T., Van Aken S.E., Gill J., Scarselli M., Mora M., Iacobini E.T.,
RA   Brettoni C., Galli G., Mariani M., Vegni F., Maione D., Rinaudo D.,
RA   Rappuoli R., Telford J.L., Kasper D.L., Grandi G., Fraser C.M.;
RT   "Complete genome sequence and comparative genomic analysis of an emerging
RT   human pathogen, serotype V Streptococcus agalactiae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:12391-12396(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; AE009948; AAN00726.1; -; Genomic_DNA.
DR   RefSeq; NP_688853.1; NC_004116.1.
DR   RefSeq; WP_000609565.1; NC_004116.1.
DR   AlphaFoldDB; Q8DXI7; -.
DR   SMR; Q8DXI7; -.
DR   STRING; 208435.SAG1863; -.
DR   EnsemblBacteria; AAN00726; AAN00726; SAG1863.
DR   KEGG; sag:SAG1863; -.
DR   PATRIC; fig|208435.3.peg.1870; -.
DR   HOGENOM; CLU_078758_6_1_9; -.
DR   OMA; RFRDSNH; -.
DR   Proteomes; UP000000821; 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;
KW   Reference proteome.
FT   CHAIN           1..138
FT                   /note="Single-stranded DNA-binding protein 4"
FT                   /id="PRO_0000096112"
FT   DOMAIN          1..104
FT                   /note="SSB"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   REGION          107..138
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           133..138
FT                   /note="Important for interaction with partner proteins"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00984"
FT   COMPBIAS        107..129
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   138 AA;  15675 MW;  8024FD4B38BF2165 CRC64;
     MINNVVLIGR LTRDVELRYT PSNIANATFN LAVNRNFKNA AGDREADFIN CVMWRQQAEN
     LANWTKKGML IGITGRIQTR SYENQQGQRI YVTEVVADSF QILEKRDNST NQASMDDQLP
     PSFGNSQPMD ISDDDLPF