ID   SECG_PORPU              Reviewed;          71 AA.
AC   P51274;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 56.
DE   RecName: Full=Probable protein-export membrane protein secG;
GN   Name=secG; Synonyms=ycf47;
OS   Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX   NCBI_TaxID=2787;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Avonport;
RA   Reith M.E., Munholland J.;
RT   "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT   genome.";
RL   Plant Mol. Biol. Rep. 13:333-335(1995).
CC   -!- FUNCTION: Involved in protein export. Participates in an early event of
CC       protein translocation across the chloroplast thylakoid membrane
CC       (Potential). {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the SecG family. {ECO:0000305}.
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DR   EMBL; U38804; AAC08160.1; -; Genomic_DNA.
DR   PIR; S73195; S73195.
DR   RefSeq; NP_053884.1; NC_000925.1.
DR   AlphaFoldDB; P51274; -.
DR   SMR; P51274; -.
DR   GeneID; 809904; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0015450; F:protein-transporting ATPase activity; IEA:InterPro.
DR   GO; GO:0009306; P:protein secretion; IEA:InterPro.
DR   InterPro; IPR004692; SecG.
DR   Pfam; PF03840; SecG; 1.
DR   TIGRFAMs; TIGR00810; secG; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Plastid; Protein transport; Thylakoid;
KW   Translocation; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..71
FT                   /note="Probable protein-export membrane protein secG"
FT                   /id="PRO_0000217370"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        50..70
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   71 AA;  8166 MW;  21F32BF571BD880A CRC64;
     MEQILKFLWY ISTIILVFSI LIHNPKSEGL GTIGSQNQFF SNTRSTENTL NKVTWLFLAL
     FLLFTTILAI N