ID   PSAK_NEOYE              Reviewed;          86 AA.
AC   Q1XDB7;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   02-MAY-2006, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=Photosystem I reaction center subunit PsaK {ECO:0000255|HAMAP-Rule:MF_00474};
DE   AltName: Full=PSI-K {ECO:0000255|HAMAP-Rule:MF_00474};
DE   AltName: Full=Photosystem I subunit X {ECO:0000255|HAMAP-Rule:MF_00474};
GN   Name=psaK {ECO:0000255|HAMAP-Rule:MF_00474};
OS   Neopyropia yezoensis (Susabi-nori) (Pyropia yezoensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Neopyropia.
OX   NCBI_TaxID=2788;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=U-51;
RA   Kunimoto M., Morishima K., Yoshikawa M., Fukuda S., Kobayashi T.,
RA   Kobayashi M., Okazaki T., Ohara I., Nakayama I.;
RT   "Whole genome sequence of Porphyra yezoensis chloroplast.";
RL   Submitted (NOV-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00474}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00474}.
CC   -!- SIMILARITY: Belongs to the PsaG/PsaK family. {ECO:0000255|HAMAP-
CC       Rule:MF_00474}.
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DR   EMBL; AP006715; BAE92494.1; -; Genomic_DNA.
DR   RefSeq; YP_537051.1; NC_007932.1.
DR   AlphaFoldDB; Q1XDB7; -.
DR   SMR; Q1XDB7; -.
DR   GeneID; 3978954; -.
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:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.20.860.20; -; 1.
DR   HAMAP; MF_00474; PSI_PsaK; 1.
DR   InterPro; IPR035982; PSI_centre_PsaK_sf.
DR   InterPro; IPR000549; PSI_PsaG/PsaK.
DR   InterPro; IPR017492; PSI_PsaK.
DR   InterPro; IPR037101; PSI_PsaK_bact.
DR   Pfam; PF01241; PSI_PSAK; 1.
DR   SUPFAM; SSF81563; SSF81563; 1.
DR   TIGRFAMs; TIGR03049; PS_I_psaK; 1.
DR   PROSITE; PS01026; PHOTOSYSTEM_I_PSAGK; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem I; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..86
FT                   /note="Photosystem I reaction center subunit PsaK"
FT                   /id="PRO_0000276086"
FT   TRANSMEM        15..34
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00474"
SQ   SEQUENCE   86 AA;  8786 MW;  80540ADD661D5E1A CRC64;
     MNILFVLSSV PHTSPWSTQV AMVMITCNLL AIVAGRYAIK VRGLGPSIPV SGVEGFGLPE
     LLATTSLGHV IGAASILGLS NVGLIS