ID K9Z9J3_CYAAP Unreviewed; 39 AA.
AC K9Z9J3;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 27-MAR-2024, entry version 34.
DE RecName: Full=Photosystem I reaction center subunit VIII {ECO:0000256|ARBA:ARBA00019929, ECO:0000256|HAMAP-Rule:MF_00431};
GN Name=psaI {ECO:0000256|HAMAP-Rule:MF_00431};
GN OrderedLocusNames=Cyan10605_3196 {ECO:0000313|EMBL:AFZ55245.1};
OS Cyanobacterium aponinum (strain PCC 10605).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Geminocystaceae; Cyanobacterium.
OX NCBI_TaxID=755178 {ECO:0000313|EMBL:AFZ55245.1, ECO:0000313|Proteomes:UP000010480};
RN [1] {ECO:0000313|Proteomes:UP000010480}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 10605 {ECO:0000313|Proteomes:UP000010480};
RX PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT genome sequencing.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
RN [2] {ECO:0007829|PDB:6VPV}
RP STRUCTURE BY ELECTRON MICROSCOPY (2.70 ANGSTROMS) OF 2-39.
RX PubMed=34435952; DOI=10.7554/elife.67518;
RA Dobson Z., Ahad S., Vanlandingham J., Toporik H., Vaughn N., Vaughn M.,
RA Williams D., Reppert M., Fromme P., Mazor Y.;
RT "The structure of photosystem I from a high-light-tolerant cyanobacteria.";
RL Elife 10:e67518-e67518(2021).
CC -!- FUNCTION: May help in the organization of the PsaL subunit.
CC {ECO:0000256|ARBA:ARBA00003541, ECO:0000256|HAMAP-Rule:MF_00431}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane
CC {ECO:0000256|ARBA:ARBA00004376, ECO:0000256|HAMAP-Rule:MF_00431};
CC Single-pass membrane protein {ECO:0000256|ARBA:ARBA00004376,
CC ECO:0000256|HAMAP-Rule:MF_00431}. Membrane
CC {ECO:0000256|ARBA:ARBA00004167}; Single-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004167}.
CC -!- SIMILARITY: Belongs to the PsaI family. {ECO:0000256|ARBA:ARBA00005252,
CC ECO:0000256|HAMAP-Rule:MF_00431}.
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DR EMBL; CP003947; AFZ55245.1; -; Genomic_DNA.
DR PDB; 6VPV; EM; 2.70 A; 7/I/i=2-39.
DR AlphaFoldDB; K9Z9J3; -.
DR EMDB; EMD-21320; -.
DR SMR; K9Z9J3; -.
DR STRING; 755178.Cyan10605_3196; -.
DR KEGG; can:Cyan10605_3196; -.
DR HOGENOM; CLU_215282_0_0_3; -.
DR Proteomes; UP000010480; 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 HAMAP; MF_00431; PSI_PsaI; 1.
DR InterPro; IPR001302; PSI_PsaI.
DR InterPro; IPR036357; PSI_PsaI_sf.
DR NCBIfam; TIGR03052; PS_I_psaI; 1.
DR Pfam; PF00796; PSI_8; 1.
DR SUPFAM; SSF81540; Subunit VIII of photosystem I reaction centre, PsaI; 1.
PE 1: Evidence at protein level;
KW 3D-structure {ECO:0007829|PDB:6VPV};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00431};
KW Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP-
KW Rule:MF_00431};
KW Photosystem I {ECO:0000256|ARBA:ARBA00022836, ECO:0000256|HAMAP-
KW Rule:MF_00431}; Reference proteome {ECO:0000313|Proteomes:UP000010480};
KW Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00431};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_00431};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_00431}.
FT TRANSMEM 6..33
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00431"
SQ SEQUENCE 39 AA; 4045 MW; 0A55DA9914B6ADF1 CRC64;
MILGDFAASF LPAILVPAVG LVMPAVVMGL LFLQIESEA
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