ID   PSBM_CHLRE              Reviewed;          34 AA.
AC   P92277; B7U1G8;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1997, sequence version 1.
DT   04-NOV-2026, entry version 109.
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};
OS   Chlamydomonas reinhardtii (Chlamydomonas smithii).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Chlamydomonadales; Chlamydomonadaceae; Chlamydomonas.
OX   NCBI_TaxID=3055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9681031; DOI=10.1046/j.1365-313x.1998.00165.x;
RA   Higgs D.C., Kuras R., Kindle K.L., Wollman F.A., Stern D.B.;
RT   "Inversions in the Chlamydomonas chloroplast genome suppress a petD 5'
RT   untranslated region deletion by creating functional chimeric mRNAs.";
RL   Plant J. 14:663-671(1998).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC-503;
RX   PubMed=19473533; DOI=10.1186/1471-2148-9-120;
RA   Smith D.R., Lee R.W.;
RT   "Nucleotide diversity of the Chlamydomonas reinhardtii plastid genome:
RT   addressing the mutational-hazard hypothesis.";
RL   BMC Evol. Biol. 9:120-120(2009).
RN   [3]
RP   IDENTIFICATION, AND COMPLETE PLASTID GENOME.
RX   PubMed=12417694; DOI=10.1105/tpc.006155;
RA   Maul J.E., Lilly J.W., Cui L., dePamphilis C.W., Miller W., Harris E.H.,
RA   Stern D.B.;
RT   "The Chlamydomonas reinhardtii plastid chromosome: islands of genes in a
RT   sea of repeats.";
RL   Plant Cell 14:2659-2679(2002).
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: PSII is composed of 1 copy each of membrane proteins PsbA,
CC       PsbB, PsbC, PsbD, PsbE, PsbF, PsbH, PsbI, PsbJ, PsbK, PsbL, PsbM, PsbT,
CC       PsbX, PsbY, PsbZ, Psb30/Ycf12, at least 3 peripheral proteins of the
CC       oxygen-evolving complex and a large number of cofactors. It forms
CC       dimeric complexes. {ECO:0000255|HAMAP-Rule:MF_00438}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00438}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00438}.
CC   -!- SIMILARITY: Belongs to the PsbM family. {ECO:0000255|HAMAP-
CC       Rule:MF_00438}.
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; U81552; AAB39941.1; -; Genomic_DNA.
DR   EMBL; FJ423446; ACJ50115.1; -; Genomic_DNA.
DR   EMBL; FJ436964; ACK37290.1; -; Genomic_DNA.
DR   EMBL; FJ436965; ACK37292.1; -; Genomic_DNA.
DR   EMBL; BK000554; DAA00927.1; -; Genomic_DNA.
DR   PIR; T08029; T08029.
DR   RefSeq; NP_958382.1; NC_005353.1.
DR   PDB; 6KAC; EM; 2.70 A; M/m=1-34.
DR   PDB; 6KAD; EM; 3.40 A; M/m=1-34.
DR   PDB; 6KAF; EM; 3.73 A; M/m=1-34.
DR   PDB; 8KDE; EM; 2.60 A; M=1-34.
DR   PDB; 8ZEE; EM; 2.90 A; M=1-34.
DR   PDB; 9HEI; EM; 2.92 A; M=3-31.
DR   PDB; 9IIU; EM; 2.98 A; M=4-30.
DR   PDB; 9IMN; EM; 2.97 A; M/m=4-30.
DR   PDB; 9IOX; EM; 3.30 A; M/m=4-30.
DR   PDB; 9IS4; EM; 2.90 A; M/m=3-33.
DR   AlphaFoldDB; P92277; -.
DR   EMDB; EMD-37133; -.
DR   EMDB; EMD-52077; -.
DR   EMDB; EMD-60026; -.
DR   EMDB; EMD-60605; -.
DR   EMDB; EMD-60694; -.
DR   EMDB; EMD-60748; -.
DR   EMDB; EMD-60830; -.
DR   EMDB; EMD-9955; -.
DR   EMDB; EMD-9956; -.
DR   EMDB; EMD-9957; -.
DR   SMR; P92277; -.
DR   FunCoup; P92277; 24.
DR   STRING; 3055.P92277; -.
DR   PaxDb; 3055-P92277; -.
DR   GeneID; 2716975; -.
DR   KEGG; cre:ChreCp026; -.
DR   HOGENOM; CLU_215415_1_0_1; -.
DR   InParanoid; P92277; -.
DR   BioCyc; CHLAMY:CHRECP026-MONOMER; -.
DR   BioCyc; MetaCyc:CHRECP026-MONOMER; -.
DR   Proteomes; UP000006906; Chloroplast.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009523; C:photosystem II; IEA:InterPro.
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   NCBIfam; TIGR03038; PS_II_psbM; 1.
DR   PANTHER; PTHR35774; PHOTOSYSTEM II REACTION CENTER PROTEIN M; 1.
DR   PANTHER; PTHR35774:SF1; PHOTOSYSTEM II REACTION CENTER PROTEIN M; 1.
DR   Pfam; PF05151; PsbM; 1.
DR   SUPFAM; SSF161033; Photosystem II reaction center protein M, PsbM; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Membrane; Photosynthesis; Photosystem II;
KW   Plastid; Reaction center; Reference proteome; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..34
FT                   /note="Photosystem II reaction center protein M"
FT                   /id="PRO_0000217553"
FT   TRANSMEM        5..25
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00438"
FT   HELIX           5..30
FT                   /evidence="ECO:0007829|PDB:8KDE"
SQ   SEQUENCE   34 AA;  3761 MW;  70CFFB79958C11F8 CRC64;
     MEVNIYGLTA TALFIIIPTS FLLILYVKTA STQD
//