ID   SEQA_PSEA6              Reviewed;         174 AA.
AC   Q15TS1;
DT   16-NOV-2011, integrated into UniProtKB/Swiss-Prot.
DT   25-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Negative modulator of initiation of replication {ECO:0000255|HAMAP-Rule:MF_00908};
GN   Name=seqA {ECO:0000255|HAMAP-Rule:MF_00908}; OrderedLocusNames=Patl_2199;
OS   Pseudoalteromonas atlantica (strain T6c / ATCC BAA-1087).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Pseudoalteromonadaceae; Pseudoalteromonas.
OX   NCBI_TaxID=342610;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=T6c / ATCC BAA-1087;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Saunders E., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Karls A.C.,
RA   Bartlett D., Higgins B.P., Richardson P.;
RT   "Complete sequence of Pseudoalteromonas atlantica T6c.";
RL   Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Negative regulator of replication initiation, which
CC       contributes to regulation of DNA replication and ensures that
CC       replication initiation occurs exactly once per chromosome per cell
CC       cycle. Binds to pairs of hemimethylated GATC sequences in the oriC
CC       region, thus preventing assembly of replication proteins and re-
CC       initiation at newly replicated origins. Repression is relieved when the
CC       region becomes fully methylated. {ECO:0000255|HAMAP-Rule:MF_00908}.
CC   -!- SUBUNIT: Homodimer. Polymerizes to form helical filaments.
CC       {ECO:0000255|HAMAP-Rule:MF_00908}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00908}.
CC   -!- SIMILARITY: Belongs to the SeqA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00908}.
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DR   EMBL; CP000388; ABG40717.1; -; Genomic_DNA.
DR   RefSeq; WP_011575000.1; NC_008228.1.
DR   AlphaFoldDB; Q15TS1; -.
DR   SMR; Q15TS1; -.
DR   STRING; 342610.Patl_2199; -.
DR   EnsemblBacteria; ABG40717; ABG40717; Patl_2199.
DR   KEGG; pat:Patl_2199; -.
DR   eggNOG; COG3057; Bacteria.
DR   HOGENOM; CLU_099733_0_0_6; -.
DR   OMA; RTRTYFA; -.
DR   OrthoDB; 1625515at2; -.
DR   Proteomes; UP000001981; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0032297; P:negative regulation of DNA-templated DNA replication initiation; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR   Gene3D; 1.10.1220.10; -; 1.
DR   Gene3D; 1.20.1380.10; -; 1.
DR   HAMAP; MF_00908; SeqA; 1.
DR   InterPro; IPR013321; Arc_rbn_hlx_hlx.
DR   InterPro; IPR010985; Ribbon_hlx_hlx.
DR   InterPro; IPR005621; SeqA.
DR   InterPro; IPR026577; SeqA_DNA-bd_C.
DR   InterPro; IPR036835; SeqA_DNA-bd_C_sf.
DR   InterPro; IPR033761; SeqA_N.
DR   Pfam; PF03925; SeqA; 1.
DR   Pfam; PF17206; SeqA_N; 1.
DR   PIRSF; PIRSF019401; SeqA; 1.
DR   SUPFAM; SSF47598; SSF47598; 1.
DR   SUPFAM; SSF82808; SSF82808; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; DNA replication inhibitor; DNA-binding; Reference proteome.
FT   CHAIN           1..174
FT                   /note="Negative modulator of initiation of replication"
FT                   /id="PRO_0000413931"
SQ   SEQUENCE   174 AA;  19392 MW;  FB42C20E53B17CA6 CRC64;
     MKNIEIEDDL YAYIASQTQH IGETASDILR RLVMPENTVV KTVVAAKPSA TTKKPVGDVF
     SQITTDELSE YPKMVERFLK ILSVLESMHG AQFDEVLTLS GRNRVYFAKD KETLLQASSV
     TNPKQIGEST FWVMTNNNTA KKASLIKEVA EVLGYNANDG QRLAALFAPE LYED