ID   PSAM_PROMP              Reviewed;          34 AA.
AC   Q7V2E0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=Photosystem I reaction center subunit XII {ECO:0000255|HAMAP-Rule:MF_00828};
DE   AltName: Full=PSI-M {ECO:0000255|HAMAP-Rule:MF_00828};
GN   Name=psaM {ECO:0000255|HAMAP-Rule:MF_00828}; OrderedLocusNames=PMM0540;
OS   Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 /
OS   MED4).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1986 / NIES-2087 / MED4;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00828}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00828}.
CC   -!- SIMILARITY: Belongs to the PsaM family. {ECO:0000255|HAMAP-
CC       Rule:MF_00828}.
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DR   EMBL; BX548174; CAE18999.1; -; Genomic_DNA.
DR   RefSeq; WP_011132175.1; NC_005072.1.
DR   AlphaFoldDB; Q7V2E0; -.
DR   SMR; Q7V2E0; -.
DR   STRING; 59919.PMM0540; -.
DR   EnsemblBacteria; CAE18999; CAE18999; PMM0540.
DR   KEGG; pmm:PMM0540; -.
DR   HOGENOM; CLU_218031_0_0_3; -.
DR   OrthoDB; 2080258at2; -.
DR   Proteomes; UP000001026; Chromosome.
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_00828; PSI_PsaM; 1.
DR   InterPro; IPR010010; PSI_PsaM.
DR   TIGRFAMs; TIGR03053; PS_I_psaM; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem I; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..34
FT                   /note="Photosystem I reaction center subunit XII"
FT                   /id="PRO_1000062715"
FT   TRANSMEM        9..29
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00828"
SQ   SEQUENCE   34 AA;  3600 MW;  C45DDC391438504B CRC64;
     MEPSQSINLI ILGLIVVMHA GVLALRLGIS LART