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PSBH_PROM0
ID   PSBH_PROM0              Reviewed;          66 AA.
AC   A3PAX2;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-APR-2007, sequence version 1.
DT   25-MAY-2022, entry version 83.
DE   RecName: Full=Photosystem II reaction center protein H {ECO:0000255|HAMAP-Rule:MF_00752};
DE            Short=PSII-H {ECO:0000255|HAMAP-Rule:MF_00752};
GN   Name=psbH {ECO:0000255|HAMAP-Rule:MF_00752}; OrderedLocusNames=P9301_02741;
OS   Prochlorococcus marinus (strain MIT 9301).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9301;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
CC   -!- FUNCTION: One of the components of the core complex of photosystem II
CC       (PSII), required for its stability and/or assembly. PSII is a light-
CC       driven water:plastoquinone oxidoreductase that uses light energy to
CC       abstract electrons from H(2)O, generating O(2) and a proton gradient
CC       subsequently used for ATP formation. It consists of a core antenna
CC       complex that captures photons, and an electron transfer chain that
CC       converts photonic excitation into a charge separation.
CC       {ECO:0000255|HAMAP-Rule:MF_00752}.
CC   -!- SUBUNIT: PSII is composed of 1 copy each of membrane proteins PsbA,
CC       PsbB, PsbC, PsbD, numerous small proteins, at least 3 peripheral
CC       proteins of the oxygen-evolving complex and a large number of
CC       cofactors. It forms dimeric complexes. {ECO:0000255|HAMAP-
CC       Rule:MF_00752}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00752}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00752}.
CC   -!- SIMILARITY: Belongs to the PsbH family. {ECO:0000255|HAMAP-
CC       Rule:MF_00752}.
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DR   EMBL; CP000576; ABO16897.1; -; Genomic_DNA.
DR   RefSeq; WP_002805661.1; NC_009091.1.
DR   AlphaFoldDB; A3PAX2; -.
DR   SMR; A3PAX2; -.
DR   STRING; 167546.P9301_02741; -.
DR   EnsemblBacteria; ABO16897; ABO16897; P9301_02741.
DR   KEGG; pmg:P9301_02741; -.
DR   eggNOG; ENOG50332MV; Bacteria.
DR   HOGENOM; CLU_190203_0_0_3; -.
DR   OMA; PLMAVFM; -.
DR   Proteomes; UP000001430; 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:0042301; F:phosphate ion binding; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   GO; GO:0050821; P:protein stabilization; IEA:InterPro.
DR   Gene3D; 1.20.5.880; -; 1.
DR   HAMAP; MF_00752; PSII_PsbH; 1.
DR   InterPro; IPR001056; PSII_PsbH.
DR   InterPro; IPR036863; PSII_PsbH_sf.
DR   PANTHER; PTHR34469; PTHR34469; 1.
DR   Pfam; PF00737; PsbH; 1.
DR   SUPFAM; SSF161025; SSF161025; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem II; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..66
FT                   /note="Photosystem II reaction center protein H"
FT                   /id="PRO_1000046585"
FT   TRANSMEM        27..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00752"
SQ   SEQUENCE   66 AA;  6952 MW;  0193643D12F8E2ED CRC64;
     MGQKTALGSL LKAIGNSGQG KVVPGWGAVP VMTVIGLLLL VFLVILLQIY NQSLLLQGFS
     VDWNGN
 
 
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