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SEQA_COLP3
ID   SEQA_COLP3              Reviewed;         200 AA.
AC   Q485E3;
DT   16-NOV-2011, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=CPS_1580;
OS   Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS   psychroerythus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Colwelliaceae; Colwellia.
OX   NCBI_TaxID=167879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=34H / ATCC BAA-681;
RX   PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA   Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA   Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA   Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA   Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA   Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT   "The psychrophilic lifestyle as revealed by the genome sequence of
RT   Colwellia psychrerythraea 34H through genomic and proteomic analyses.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(2005).
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; CP000083; AAZ25264.1; -; Genomic_DNA.
DR   RefSeq; WP_011042416.1; NC_003910.7.
DR   AlphaFoldDB; Q485E3; -.
DR   SMR; Q485E3; -.
DR   STRING; 167879.CPS_1580; -.
DR   EnsemblBacteria; AAZ25264; AAZ25264; CPS_1580.
DR   KEGG; cps:CPS_1580; -.
DR   HOGENOM; CLU_099733_0_0_6; -.
DR   OMA; RTRTYFA; -.
DR   OrthoDB; 1625515at2; -.
DR   Proteomes; UP000000547; 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..200
FT                   /note="Negative modulator of initiation of replication"
FT                   /id="PRO_0000413919"
FT   REGION          107..108
FT                   /note="Interaction with DNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00908"
SQ   SEQUENCE   200 AA;  22379 MW;  8B9348C61F0B29DC CRC64;
     MKNIEIDEEL YQYIATNTQF IGESASAILR RLLNLGVEAK LETVTVNEPS DVVEVNILPE
     SEEKAVKIET AEVKEPKSKA VVKVTAESHE TVFNFINKEE LAMQRGAVGR FLLILAALYR
     AHPDQFGVVT DISGRDRLYF ANSENKLAES GSSTKPRQIP ESPFWVITNS NTTRKKMMLT
     KASISLGYSD SDVEKIRELL
 
 
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