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PSBM_PROMM
ID   PSBM_PROMM              Reviewed;          34 AA.
AC   Q7TUP7;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 95.
DE   RecName: Full=Photosystem II reaction center protein M {ECO:0000255|HAMAP-Rule:MF_00438};
DE            Short=PSII-M {ECO:0000255|HAMAP-Rule:MF_00438};
GN   Name=psbM {ECO:0000255|HAMAP-Rule:MF_00438}; OrderedLocusNames=PMT_1663;
OS   Prochlorococcus marinus (strain MIT 9313).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9313;
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   -!- FUNCTION: One of the components of the core complex of photosystem II
CC       (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that
CC       uses light energy to abstract electrons from H(2)O, generating O(2) and
CC       a proton gradient subsequently used for ATP formation. It consists of a
CC       core antenna complex that captures photons, and an electron transfer
CC       chain that converts photonic excitation into a charge separation. This
CC       subunit is found at the monomer-monomer interface. {ECO:0000255|HAMAP-
CC       Rule:MF_00438}.
CC   -!- SUBUNIT: Cyanobacterial PSII is composed of 1 copy each of membrane
CC       proteins PsbA, PsbB, PsbC, PsbD, PsbE, PsbF, PsbH, PsbI, PsbJ, PsbK,
CC       PsbL, PsbM, PsbT, PsbX, PsbY, PsbZ, Ycf12, at least 3 peripheral
CC       proteins PsbO, PsbU, PsbV and a large number of cofactors. It forms
CC       dimeric complexes. {ECO:0000255|HAMAP-Rule:MF_00438}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00438}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00438}.
CC   -!- SIMILARITY: Belongs to the PsbM family. {ECO:0000255|HAMAP-
CC       Rule:MF_00438}.
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DR   EMBL; BX548175; CAE21838.1; -; Genomic_DNA.
DR   RefSeq; WP_011131030.1; NC_005071.1.
DR   AlphaFoldDB; Q7TUP7; -.
DR   SMR; Q7TUP7; -.
DR   STRING; 74547.PMT_1663; -.
DR   EnsemblBacteria; CAE21838; CAE21838; PMT_1663.
DR   KEGG; pmt:PMT_1663; -.
DR   HOGENOM; CLU_215415_0_0_3; -.
DR   OrthoDB; 2042217at2; -.
DR   Proteomes; UP000001423; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0019684; P:photosynthesis, light reaction; IEA:InterPro.
DR   HAMAP; MF_00438; PSII_PsbM; 1.
DR   InterPro; IPR007826; PSII_PsbM.
DR   InterPro; IPR037269; PSII_PsbM_sf.
DR   Pfam; PF05151; PsbM; 1.
DR   SUPFAM; SSF161033; SSF161033; 1.
DR   TIGRFAMs; TIGR03038; PS_II_psbM; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem II; Reaction center;
KW   Reference proteome; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..34
FT                   /note="Photosystem II reaction center protein M"
FT                   /id="PRO_0000217583"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00438"
SQ   SEQUENCE   34 AA;  3775 MW;  BB83317E953A8BAC CRC64;
     MPVNNFGFLA TLLFVAVPML FLIGLYIQTN SNKS
 
 
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