ID A0A1X9YCY8_9SPHN Unreviewed; 911 AA.
AC A0A1X9YCY8;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Protein translocase subunit SecA {ECO:0000256|HAMAP-Rule:MF_01382, ECO:0000256|RuleBase:RU003874};
DE EC=7.4.2.8 {ECO:0000256|HAMAP-Rule:MF_01382};
GN Name=secA {ECO:0000256|HAMAP-Rule:MF_01382};
GN ORFNames=KC8_05405 {ECO:0000313|EMBL:ARS26723.1};
OS Sphingomonas sp. KC8.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingomonas.
OX NCBI_TaxID=1030157 {ECO:0000313|EMBL:ARS26723.1, ECO:0000313|Proteomes:UP000194475};
RN [1] {ECO:0000313|EMBL:ARS26723.1, ECO:0000313|Proteomes:UP000194475}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KC8 {ECO:0000313|EMBL:ARS26723.1};
RA Chen Y.-L., Yu C.-P., Hu A., Lee T.-H., Yang F.-C., Ismail W., Wang P.-H.,
RA Wang C.-H., Goh K.-S., Shih C.-J., Chiang Y.-R.;
RT "Bacteria use an extradiol dioxygenase-mediated pathway to degrade natural
RT estrogens in aquatic ecosystems.";
RL Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|HAMAP-
CC Rule:MF_01382};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|ARBA:ARBA00001947};
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:0000256|HAMAP-Rule:MF_01382}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|HAMAP-Rule:MF_01382};
CC Peripheral membrane protein {ECO:0000256|HAMAP-Rule:MF_01382};
CC Cytoplasmic side {ECO:0000256|HAMAP-Rule:MF_01382}. Cytoplasm
CC {ECO:0000256|HAMAP-Rule:MF_01382}. Note=Distribution is 50-50.
CC {ECO:0000256|HAMAP-Rule:MF_01382}.
CC -!- SIMILARITY: Belongs to the SecA family. {ECO:0000256|ARBA:ARBA00007650,
CC ECO:0000256|HAMAP-Rule:MF_01382, ECO:0000256|RuleBase:RU003874}.
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DR EMBL; CP016306; ARS26723.1; -; Genomic_DNA.
DR RefSeq; WP_010123510.1; NZ_CP016306.1.
DR AlphaFoldDB; A0A1X9YCY8; -.
DR STRING; 1030157.GCA_000214335_03540; -.
DR KEGG; spkc:KC8_05405; -.
DR eggNOG; COG0653; Bacteria.
DR OrthoDB; 9805579at2; -.
DR Proteomes; UP000194475; 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: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; cd17928; DEXDc_SecA; 1.
DR CDD; cd18803; SF2_C_secA; 1.
DR Gene3D; 3.10.450.50; -; 1.
DR Gene3D; 1.10.3060.10; Helical scaffold and wing domains of SecA; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2.
DR Gene3D; 3.90.1440.10; SecA, preprotein cross-linking domain; 1.
DR HAMAP; MF_01382; SecA; 1.
DR InterPro; IPR014001; Helicase_ATP-bd.
DR InterPro; IPR001650; Helicase_C.
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 NCBIfam; TIGR00963; secA; 1.
DR PANTHER; PTHR30612; SECA INNER MEMBRANE COMPONENT OF SEC PROTEIN SECRETION SYSTEM; 1.
DR PANTHER; PTHR30612:SF0; SI:DKEY-187J14.7-RELATED; 1.
DR Pfam; PF21090; P-loop_SecA; 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; SSF81886; Helical scaffold and wing domains of SecA; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 2.
DR SUPFAM; SSF81767; Pre-protein crosslinking domain of SecA; 1.
DR PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR PROSITE; PS51194; HELICASE_CTER; 1.
DR PROSITE; PS01312; SECA; 1.
DR PROSITE; PS51196; SECA_MOTOR_DEAD; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01382}; Cell inner membrane {ECO:0000256|ARBA:ARBA00022519};
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475, ECO:0000256|HAMAP-
KW Rule:MF_01382};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01382};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_01382};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01382};
KW Protein transport {ECO:0000256|ARBA:ARBA00022927, ECO:0000256|HAMAP-
KW Rule:MF_01382}; Reference proteome {ECO:0000313|Proteomes:UP000194475};
KW Translocase {ECO:0000256|ARBA:ARBA00022967, ECO:0000256|HAMAP-
KW Rule:MF_01382};
KW Translocation {ECO:0000256|ARBA:ARBA00023010, ECO:0000256|HAMAP-
KW Rule:MF_01382};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_01382};
KW Zinc {ECO:0000256|ARBA:ARBA00022833}.
FT DOMAIN 3..613
FT /note="SecA family profile"
FT /evidence="ECO:0000259|PROSITE:PS51196"
FT DOMAIN 89..248
FT /note="Helicase ATP-binding"
FT /evidence="ECO:0000259|PROSITE:PS51192"
FT DOMAIN 424..621
FT /note="Helicase C-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51194"
FT BINDING 87
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01382"
FT BINDING 105..109
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01382"
FT BINDING 499
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01382"
SQ SEQUENCE 911 AA; 101725 MW; 2427230DB06B127D CRC64;
MLGGLAKAIF GSSNDRYVKS LRGIVAKINA LEPQISALDD AALQGQTAVL KGRLAAGETL
DAILPEAFAT VREAAKRVLG QRHYDVQMIG GIVLHRGEIA EMRTGEGKTL VATLATYLNA
LDGKGVHVVT VNDYLASRDA DWMGQVYRFL GLTVGVIVPN LSDQQRRDAY AADITYGTNN
EFGFDYLRDN MKYERASMVQ RPFAYAIVDE VDSILIDEAR TPLIISGPTD DKSELYMAVD
AIVRQVTPED YELDEKQKSV TLTEDGTERL ERLLEAAGLL EGGNLYDIEN TQVVHHLNQA
MRANIVFKRD TDYIVKDGKV VIIDEFTGRM MDGRRWSDGL HQAVEAKENV KIEPENQTLA
SITFQNYFRM YPKLGGMTGT AATEAGEFHQ IYKMNVVTIP TNLSVKRIDQ DDEFYKNIHD
KFSAITKAIR DAAERGQPVL VGTVSIEKSE MLSEFLNQEG VAHNVLNARY HEQEAHIVAQ
AGRLKAVTIA TNMAGRGTDI QLGGNLEFRM LDEHPDLVEG TPEYEAQAAR IRLEIVAEKQ
AVLDAGGLFV LGTERHESRR IDNQLRGRSG RQGDPGLSRF YLSLDDDLLR IFGPQTMFAK
MMNKNLSDGE AIISPWISKA IETAQRKVEA RNYDIRKQVV EYDDVMNDQR KVVYEQRADI
MDAETVDDVV VDMRADTVNT IVADCCPPNS YPEQWNVELL KERSALLLGV EPPVDDWLKE
EAVDPEIVNE RLQALSQERI VERFAQVSAE TRRSVEKSIL LQSLDHHWKE HLATLDALRA
VIHLRAYAQK TPINEYKQEA FALFERMLVA IREDVTRMLS NIQFGGAPEL PPMPDFMTTH
IDPLTGEDDT YDFDANALGL VTTRIAPAQF AAAALPDSMG DDPAEWEGKV SRNSPCPCGS
GEKYKHCHGA L
//