ID   REPB_LACPN              Reviewed;         218 AA.
AC   P20045;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   25-MAY-2022, entry version 52.
DE   RecName: Full=Replication protein RepB;
GN   Name=repB;
OS   Lactiplantibacillus plantarum (Lactobacillus plantarum).
OG   Plasmid pLB4.
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactiplantibacillus.
OX   NCBI_TaxID=1590;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=NCDO 1088;
RX   PubMed=2695401; DOI=10.1016/0378-1119(89)90491-5;
RA   Bates E.E.M., Gilbert H.J.;
RT   "Characterization of a cryptic plasmid from Lactobacillus plantarum.";
RL   Gene 85:253-258(1989).
CC   -!- FUNCTION: Is essential for plasmid replication. Nicks the positive
CC       strand at the plus origin of replication.
CC   -!- SIMILARITY: Belongs to the Gram-positive plasmids replication protein
CC       type 2 family. {ECO:0000305}.
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DR   EMBL; M33531; AAA25254.1; -; Genomic_DNA.
DR   PIR; JQ0181; JQ0181.
DR   RefSeq; WP_010008895.1; NZ_MKDP01000030.1.
DR   AlphaFoldDB; P20045; -.
DR   SMR; P20045; -.
DR   GO; GO:0005727; C:extrachromosomal circular DNA; IEA:InterPro.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0003916; F:DNA topoisomerase activity; IEA:InterPro.
DR   GO; GO:0006260; P:DNA replication; IEA:UniProtKB-KW.
DR   InterPro; IPR002631; Plasmid_rep.
DR   Pfam; PF01719; Rep_2; 1.
PE   3: Inferred from homology;
KW   DNA replication; Plasmid.
FT   CHAIN           1..218
FT                   /note="Replication protein RepB"
FT                   /id="PRO_0000068328"
FT   REGION          1..26
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   218 AA;  25363 MW;  0B3D4891C4E15BF3 CRC64;
     MKSESKIDWT VPRPNKNPKT KQPYKRGRNW GIVVYPESLP ENWKDIIRQE PIAVSPLHDK
     DVNPDGEKKK SHYHLVLNYK GNKSFEQIDE IARSLRAPAP QRISSLTGAV RYLTHMDNPE
     KYQYDNADIE TFGGFDLESC LALSTGDKRQ ALRDMLAFIS ENEIMHLKDF ADYCMSEEAP
     AGWFELLTER NTLFIKEYIK SNWQKQQYAS KNINKMSD