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SECA_SALEP
ID   SECA_SALEP              Reviewed;         901 AA.
AC   B5R2N2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   04-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Protein translocase subunit SecA {ECO:0000255|HAMAP-Rule:MF_01382};
DE            EC=7.4.2.8 {ECO:0000255|HAMAP-Rule:MF_01382};
GN   Name=secA {ECO:0000255|HAMAP-Rule:MF_01382}; OrderedLocusNames=SEN0137;
OS   Salmonella enteritidis PT4 (strain P125109).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=550537;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=P125109;
RX   PubMed=18583645; DOI=10.1101/gr.077404.108;
RA   Thomson N.R., Clayton D.J., Windhorst D., Vernikos G., Davidson S.,
RA   Churcher C., Quail M.A., Stevens M., Jones M.A., Watson M., Barron A.,
RA   Layton A., Pickard D., Kingsley R.A., Bignell A., Clark L., Harris B.,
RA   Ormond D., Abdellah Z., Brooks K., Cherevach I., Chillingworth T.,
RA   Woodward J., Norberczak H., Lord A., Arrowsmith C., Jagels K., Moule S.,
RA   Mungall K., Saunders M., Whitehead S., Chabalgoity J.A., Maskell D.,
RA   Humphreys T., Roberts M., Barrow P.A., Dougan G., Parkhill J.;
RT   "Comparative genome analysis of Salmonella enteritidis PT4 and Salmonella
RT   gallinarum 287/91 provides insights into evolutionary and host adaptation
RT   pathways.";
RL   Genome Res. 18:1624-1637(2008).
CC   -!- FUNCTION: Part of the Sec protein translocase complex. Interacts with
CC       the SecYEG preprotein conducting channel. Has a central role in
CC       coupling the hydrolysis of ATP to the transfer of proteins into and
CC       across the cell membrane, serving both as a receptor for the
CC       preprotein-SecB complex and as an ATP-driven molecular motor driving
CC       the stepwise translocation of polypeptide chains across the membrane.
CC       {ECO:0000255|HAMAP-Rule:MF_01382}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + cellular proteinSide 1 = ADP + phosphate +
CC         cellular proteinSide 2.; EC=7.4.2.8; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01382};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01382};
CC       Note=May bind 1 zinc ion per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01382};
CC   -!- SUBUNIT: Monomer and homodimer. Part of the essential Sec protein
CC       translocation apparatus which comprises SecA, SecYEG and auxiliary
CC       proteins SecDF-YajC and YidC. {ECO:0000255|HAMAP-Rule:MF_01382}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01382}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01382}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01382}.
CC       Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01382}. Note=Distribution is 50-
CC       50. {ECO:0000255|HAMAP-Rule:MF_01382}.
CC   -!- INDUCTION: Repressed under conditions of excess protein secretion
CC       capacity and derepressed when protein secretion becomes limiting. This
CC       is regulated by SecM. {ECO:0000255|HAMAP-Rule:MF_01382}.
CC   -!- SIMILARITY: Belongs to the SecA family. {ECO:0000255|HAMAP-
CC       Rule:MF_01382}.
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DR   EMBL; AM933172; CAR31726.1; -; Genomic_DNA.
DR   RefSeq; WP_000905758.1; NC_011294.1.
DR   AlphaFoldDB; B5R2N2; -.
DR   SMR; B5R2N2; -.
DR   KEGG; set:SEN0137; -.
DR   HOGENOM; CLU_005314_3_0_6; -.
DR   OMA; MVHYDVQ; -.
DR   Proteomes; UP000000613; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008564; F:protein-exporting ATPase activity; IEA:UniProtKB-EC.
DR   GO; GO:0065002; P:intracellular protein transmembrane transport; IEA:UniProtKB-UniRule.
DR   GO; GO:0017038; P:protein import; IEA:InterPro.
DR   GO; GO:0006605; P:protein targeting; IEA:UniProtKB-UniRule.
DR   CDD; cd18803; SF2_C_secA; 1.
DR   Gene3D; 3.40.50.300; -; 2.
DR   HAMAP; MF_01382; SecA; 1.
DR   InterPro; IPR014001; Helicase_ATP-bd.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR004027; SEC_C_motif.
DR   InterPro; IPR000185; SecA.
DR   InterPro; IPR020937; SecA_CS.
DR   InterPro; IPR011115; SecA_DEAD.
DR   InterPro; IPR014018; SecA_motor_DEAD.
DR   InterPro; IPR011130; SecA_preprotein_X-link_dom.
DR   InterPro; IPR044722; SecA_SF2_C.
DR   InterPro; IPR011116; SecA_Wing/Scaffold.
DR   InterPro; IPR036266; SecA_Wing/Scaffold_sf.
DR   InterPro; IPR036670; SecA_X-link_sf.
DR   PANTHER; PTHR30612; PTHR30612; 1.
DR   Pfam; PF02810; SEC-C; 1.
DR   Pfam; PF07517; SecA_DEAD; 1.
DR   Pfam; PF01043; SecA_PP_bind; 1.
DR   Pfam; PF07516; SecA_SW; 1.
DR   PRINTS; PR00906; SECA.
DR   SMART; SM00957; SecA_DEAD; 1.
DR   SMART; SM00958; SecA_PP_bind; 1.
DR   SUPFAM; SSF52540; SSF52540; 2.
DR   SUPFAM; SSF81767; SSF81767; 1.
DR   SUPFAM; SSF81886; SSF81886; 1.
DR   TIGRFAMs; TIGR00963; secA; 1.
DR   PROSITE; PS01312; SECA; 1.
DR   PROSITE; PS51196; SECA_MOTOR_DEAD; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cell inner membrane; Cell membrane; Cytoplasm; Membrane;
KW   Metal-binding; Nucleotide-binding; Protein transport; Translocase;
KW   Translocation; Transport; Zinc.
FT   CHAIN           1..901
FT                   /note="Protein translocase subunit SecA"
FT                   /id="PRO_1000145055"
FT   BINDING         87
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         105..109
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         512
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         885
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         887
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         896
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
FT   BINDING         897
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01382"
SQ   SEQUENCE   901 AA;  101884 MW;  79D64EE2A93CA425 CRC64;
     MLIKLLTKVF GSRNDRTLRR MRKAVSLINA MEPEMEKLSD DELKAKTNEF RARIEKGESV
     ESLIPEAFAV VREASKRVFG MRHFDVQLLG GMVLNDRCIA EMRTGEGKTL TATLPAYLNA
     LSGKGVHVVT VNDYLAQRDA ENNRPLFEFL GMSVGINLPG MPAPAKREAY AADITYGTNN
     EYGFDYLRDN MAFSPEERVQ RKLHYALVDE VDSILIDEAR TPLIISGPAE DSSEMYKKVN
     KIIPHLIRQE KEDSDTFQGE GHFSVDEKAR QVNLTERGLV LIEELLVQEG IMDEGESLYS
     PGNIMLMHHV TAALRAHALF TRDVDYIVKD GEVIIVDEHT GRTMQGRRWS DGLHQAVEAK
     EGVEIQNENQ TLASITFQNY FRLYEKLAGM TGTADTEAFE FSSIYKLDTV VVPTNRPMIR
     KDLPDLVYMT EAEKIQAIIE DIKERTANGQ PVLVGTISIE KSEVVSRELT KAGIKHNVLN
     AKFHANEAGI VAQAGYPAAV TIATNMAGRG TDIMLGGSWQ AEVAALEAPT EEQIAQIKAD
     WQVRHDAVLA AGGLHIIGTE RHESRRIDNQ LRGRSGRQGD PGSSRFYLSM EDALMRIFAS
     DRVSGMMRKL GMKPGEAIEH PWVTKAIANA QRKVESRNFD IRKQLLEYDD VANDQRRAIY
     TQRNELLDVS DVSDTINSIR EDVFKETIDA YIPPQSLEEM WDIPGLQERL KNDFDLEMPI
     AEWLDKEPEL HEETLRERIL AQSIEVYQRK EEVVGAEMMR HFEKGVMLQT LDSLWKEHLA
     AMDYLRQGIH LRGYAQKDPK QEYKRESFAM FAAMLESLKY EVISTLSKVQ VRMPEEVEAM
     EMQRREEAER LAQMQQLSHQ DDDAAVAADL AAQTGERKIG RNDPCPCGSG KKYKQCHGRL
     S
 
 
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