ID   SYDP_PHOPR              Reviewed;         184 AA.
AC   Q6LN11;
DT   21-AUG-2007, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 2.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Protein Syd {ECO:0000255|HAMAP-Rule:MF_01104};
GN   Name=syd {ECO:0000255|HAMAP-Rule:MF_01104}; OrderedLocusNames=PBPRA2981;
OS   Photobacterium profundum (strain SS9).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Photobacterium.
OX   NCBI_TaxID=298386;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1253 / SS9;
RX   PubMed=15746425; DOI=10.1126/science.1103341;
RA   Vezzi A., Campanaro S., D'Angelo M., Simonato F., Vitulo N., Lauro F.M.,
RA   Cestaro A., Malacrida G., Simionati B., Cannata N., Romualdi C.,
RA   Bartlett D.H., Valle G.;
RT   "Life at depth: Photobacterium profundum genome sequence and expression
RT   analysis.";
RL   Science 307:1459-1461(2005).
CC   -!- FUNCTION: Interacts with the SecY protein in vivo. May bind
CC       preferentially to an uncomplexed state of SecY, thus functioning either
CC       as a chelating agent for excess SecY in the cell or as a regulatory
CC       factor that negatively controls the translocase function.
CC       {ECO:0000255|HAMAP-Rule:MF_01104}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01104}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01104}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01104}.
CC       Note=Loosely associated with the cytoplasmic side of the inner
CC       membrane, probably via SecY. {ECO:0000255|HAMAP-Rule:MF_01104}.
CC   -!- SIMILARITY: Belongs to the Syd family. {ECO:0000255|HAMAP-
CC       Rule:MF_01104}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAG21315.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CR378672; CAG21315.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_041394495.1; NC_006370.1.
DR   AlphaFoldDB; Q6LN11; -.
DR   SMR; Q6LN11; -.
DR   STRING; 298386.PBPRA2981; -.
DR   EnsemblBacteria; CAG21315; CAG21315; PBPRA2981.
DR   KEGG; ppr:PBPRA2981; -.
DR   eggNOG; ENOG502ZCMR; Bacteria.
DR   HOGENOM; CLU_121866_0_0_6; -.
DR   OrthoDB; 1287912at2; -.
DR   Proteomes; UP000000593; Chromosome 1.
DR   GO; GO:0009898; C:cytoplasmic side of plasma membrane; IEA:InterPro.
DR   CDD; cd16323; Syd; 1.
DR   Gene3D; 3.40.1580.20; -; 1.
DR   HAMAP; MF_01104; Syd; 1.
DR   InterPro; IPR009948; Syd.
DR   InterPro; IPR038228; Syd_sf.
DR   Pfam; PF07348; Syd; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Reference proteome.
FT   CHAIN           1..184
FT                   /note="Protein Syd"
FT                   /id="PRO_0000298253"
SQ   SEQUENCE   184 AA;  20382 MW;  6565E8D46A40CD95 CRC64;
     MNHPVAVALS DFSSLFLQAW RDTGHGFPRS EDLVGLESPC VEHDSGDEVT WKPITRQPQG
     DLAGVEKGIE IELHKDIIDF YSTQFSGDMA AKFGEIELDL LQVFSEQDGV RLQENILGHL
     VTQRRLKLKP TVFIGVIDSA DKVIAICNLT GEVILETLGK NERDVLAKDV ASFLQQLVPV
     VREA