ID A0A0T7C045_9CYAN Unreviewed; 88 AA.
AC A0A0T7C045;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Photosystem I reaction center subunit PsaK {ECO:0000256|HAMAP-Rule:MF_00474};
DE AltName: Full=Photosystem I subunit X {ECO:0000256|HAMAP-Rule:MF_00474};
GN Name=psaK {ECO:0000256|HAMAP-Rule:MF_00474};
GN ORFNames=IJ00_14405 {ECO:0000313|EMBL:AKG24647.1};
OS Calothrix sp. 336/3.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC Calothrix.
OX NCBI_TaxID=1337936 {ECO:0000313|EMBL:AKG24647.1, ECO:0000313|Proteomes:UP000065745};
RN [1] {ECO:0000313|EMBL:AKG24647.1, ECO:0000313|Proteomes:UP000065745}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=336/3 {ECO:0000313|EMBL:AKG24647.1,
RC ECO:0000313|Proteomes:UP000065745};
RX PubMed=25614574;
RA Isojarvi J., Shunmugam S., Sivonen K., Allahverdiyeva Y., Aro E.M.,
RA Battchikova N.;
RT "Draft genome sequence of calothrix strain 336/3, a novel h2-producing
RT cyanobacterium isolated from a finnish lake.";
RL Genome Announc. 3:0-0(2015).
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000256|HAMAP-
CC Rule:MF_00474}; Multi-pass membrane protein {ECO:0000256|HAMAP-
CC Rule:MF_00474}. Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-pass
CC membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the PsaG/PsaK family.
CC {ECO:0000256|ARBA:ARBA00006458, ECO:0000256|HAMAP-Rule:MF_00474}.
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DR EMBL; CP011382; AKG24647.1; -; Genomic_DNA.
DR RefSeq; WP_035159068.1; NZ_CP011382.1.
DR AlphaFoldDB; A0A0T7C045; -.
DR STRING; 1337936.IJ00_14405; -.
DR KEGG; calh:IJ00_14405; -.
DR eggNOG; ENOG5032YIH; Bacteria.
DR OrthoDB; 561382at2; -.
DR Proteomes; UP000065745; Chromosome.
DR GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR Gene3D; 1.20.860.20; Photosystem I PsaK, reaction centre; 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 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|HAMAP-Rule:MF_00474};
KW Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP-
KW Rule:MF_00474};
KW Photosystem I {ECO:0000256|ARBA:ARBA00022836, ECO:0000256|HAMAP-
KW Rule:MF_00474}; Reference proteome {ECO:0000313|Proteomes:UP000065745};
KW Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00474};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_00474};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_00474}.
FT TRANSMEM 21..38
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00474"
FT TRANSMEM 59..85
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00474"
SQ SEQUENCE 88 AA; 9040 MW; 4A1687D6543A6539 CRC64;
MLTTSLLAAT AATTPLQWSP TVGIIMIICN IVAIAYGKNT IQQPSSEPAL PSSQFFGGFG
APALLATTAF GHILGVGVIL GLHYVGRI
//
