ID   PSAI_CYAP4              Reviewed;          41 AA.
AC   B8HRF1;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   25-MAY-2022, entry version 57.
DE   RecName: Full=Photosystem I reaction center subunit VIII {ECO:0000255|HAMAP-Rule:MF_00431};
GN   Name=psaI {ECO:0000255|HAMAP-Rule:MF_00431};
GN   OrderedLocusNames=Cyan7425_1771;
OS   Cyanothece sp. (strain PCC 7425 / ATCC 29141).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales;
OC   Cyanothecaceae; Cyanothece; unclassified Cyanothece.
OX   NCBI_TaxID=395961;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7425 / ATCC 29141;
RX   PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA   Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA   Sherman L.A., Pakrasi H.B.;
RT   "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT   unicellular nitrogen-fixing Cyanobacteria.";
RL   MBio 2:E214-E214(2011).
CC   -!- FUNCTION: May help in the organization of the PsaL subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_00431}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00431}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00431}.
CC   -!- SIMILARITY: Belongs to the PsaI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00431}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001344; ACL44139.1; -; Genomic_DNA.
DR   RefSeq; WP_012627226.1; NC_011884.1.
DR   AlphaFoldDB; B8HRF1; -.
DR   SMR; B8HRF1; -.
DR   STRING; 395961.Cyan7425_1771; -.
DR   EnsemblBacteria; ACL44139; ACL44139; Cyan7425_1771.
DR   KEGG; cyn:Cyan7425_1771; -.
DR   eggNOG; ENOG5033AVJ; Bacteria.
DR   HOGENOM; CLU_215282_0_0_3; -.
DR   OrthoDB; 2080297at2; -.
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: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   Pfam; PF00796; PSI_8; 1.
DR   SUPFAM; SSF81540; SSF81540; 1.
DR   TIGRFAMs; TIGR03052; PS_I_psaI; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem I; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..41
FT                   /note="Photosystem I reaction center subunit VIII"
FT                   /id="PRO_1000134939"
FT   TRANSMEM        12..32
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00431"
SQ   SEQUENCE   41 AA;  4568 MW;  49F0737EB7114575 CRC64;
     MTGSYAASFL PWIMIPVTCW LFPVVVMGLL FIYIESDAPS T