ID   A0A1Z4QWC6_9CYAN        Unreviewed;        84 AA.
AC   A0A1Z4QWC6;
DT   27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT   27-SEP-2017, sequence version 1.
DT   24-JAN-2024, entry version 29.
DE   RecName: Full=Photosystem I reaction center subunit PsaK {ECO:0008006|Google:ProtNLM};
GN   ORFNames=NIES4101_85660 {ECO:0000313|EMBL:BAZ42597.1};
OS   Calothrix sp. NIES-4101.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC   Calothrix.
OX   NCBI_TaxID=2005461 {ECO:0000313|EMBL:BAZ42597.1, ECO:0000313|Proteomes:UP000290974};
RN   [1] {ECO:0000313|EMBL:BAZ42597.1, ECO:0000313|Proteomes:UP000290974}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-4101 {ECO:0000313|EMBL:BAZ42597.1,
RC   ECO:0000313|Proteomes:UP000290974};
RA   Hirose Y., Shimura Y., Fujisawa T., Nakamura Y., Kawachi M.;
RT   "Genome sequencing of cyanobaciteial culture collection at National
RT   Institute for Environmental Studies (NIES).";
RL   Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC       pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC   -!- SIMILARITY: Belongs to the PsaG/PsaK family.
CC       {ECO:0000256|ARBA:ARBA00006458}.
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DR   EMBL; AP018280; BAZ42597.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1Z4QWC6; -.
DR   Proteomes; UP000290974; Chromosome.
DR   GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0042651; C:thylakoid membrane; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.860.20; Photosystem I PsaK, reaction centre; 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   NCBIfam; TIGR03049; PS_I_psaK; 1.
DR   Pfam; PF01241; PSI_PSAK; 1.
DR   SUPFAM; SSF81563; Photosystem I reaction center subunit X, PsaK; 1.
PE   3: Inferred from homology;
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW   Photosynthesis {ECO:0000256|ARBA:ARBA00022531};
KW   Photosystem I {ECO:0000256|ARBA:ARBA00022836};
KW   Reference proteome {ECO:0000313|Proteomes:UP000290974};
KW   Thylakoid {ECO:0000256|ARBA:ARBA00023078};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW   ECO:0000256|SAM:Phobius}.
FT   TRANSMEM        20..39
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
FT   TRANSMEM        60..83
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
SQ   SEQUENCE   84 AA;  8753 MW;  8D0B1B603F15A7FA CRC64;
     MNPSLLFALL ANVPNTPSWT PTIGIIISGC SFLALLLTFK VSKPMEGMKM PLLPISVPTF
     IGAMCFGHIL GVGVILGLAN IGAI
//