SSB2_ECOLX
ID SSB2_ECOLX Reviewed; 179 AA.
AC P28043;
DT 01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 25-MAY-2022, entry version 97.
DE RecName: Full=Plasmid-derived single-stranded DNA-binding protein;
DE Short=SSB {ECO:0000255|HAMAP-Rule:MF_00984};
DE AltName: Full=Helix-destabilizing protein;
GN Name=ssb;
OS Escherichia coli.
OG Plasmid pLP231a.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=562;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND FUNCTION.
RX PubMed=2008432; DOI=10.1002/prot.340090206;
RA Ruvolo P.P., Keating K.M., Williams K.R., Chase J.W.;
RT "Single-stranded DNA binding proteins (SSBs) from prokaryotic transmissible
RT plasmids.";
RL Proteins 9:120-134(1991).
CC -!- FUNCTION: May contribute to the conjugative processing of DNA. It has a
CC functional relationship with Psi (plasmid-mediated sos inhibition)
CC proteins. {ECO:0000269|PubMed:2008432}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00984}.
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DR PIR; C38487; C38487.
DR AlphaFoldDB; P28043; -.
DR SMR; P28043; -.
DR IntAct; P28043; 47.
DR GO; GO:0003697; F:single-stranded DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006260; P:DNA replication; IEA:UniProtKB-KW.
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 SUPFAM; SSF50249; SSF50249; 1.
DR TIGRFAMs; TIGR00621; ssb; 1.
DR PROSITE; PS50935; SSB; 1.
PE 3: Inferred from homology;
KW DNA replication; DNA-binding; Plasmid.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..179
FT /note="Plasmid-derived single-stranded DNA-binding protein"
FT /id="PRO_0000096040"
FT DOMAIN 6..110
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 REGION 114..179
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 114..138
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 179 AA; 19741 MW; 191D3B5A9994997A CRC64;
MAVRGINKVI LVGRLGKDPE VRYIPNGGAV ANLQVATSET WRDKQTGKMR EQTEWHRVVL
FGKLAEVAGE YLRKGAQVYI EGQLRTRSWE DNGITRYVTE ILVKTTGTMQ MLGRAAGAQT
QPEEGQQFSA QPQPEPQSEA GTKKGGAKTK GRGRKVAQPE PQLQPPEGDD YGFSDDIPF