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Database: UniProt
Entry: D3GKJ6_9SPER
LinkDB: D3GKJ6_9SPER
Original site: D3GKJ6_9SPER 
ID   D3GKJ6_9SPER            Unreviewed;        61 AA.
AC   D3GKJ6;
DT   23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT   23-MAR-2010, sequence version 1.
DT   24-JAN-2024, entry version 34.
DE   RecName: Full=Photosystem II reaction center protein Z {ECO:0000256|ARBA:ARBA00021665, ECO:0000256|HAMAP-Rule:MF_00644};
DE            Short=PSII-Z {ECO:0000256|HAMAP-Rule:MF_00644};
GN   Name=psbZ {ECO:0000256|HAMAP-Rule:MF_00644,
GN   ECO:0000313|EMBL:ACZ92232.1};
OS   Ephedra pachyclada.
OG   Plastid; Chloroplast {ECO:0000313|EMBL:ACZ92232.1}.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Gnetopsida; Gnetidae; Ephedrales; Ephedraceae; Ephedra.
OX   NCBI_TaxID=289842 {ECO:0000313|EMBL:ACZ92232.1};
RN   [1] {ECO:0000313|EMBL:ACZ92232.1}
RP   NUCLEOTIDE SEQUENCE.
RX   AGRICOLA=IND44275925; DOI=10.1086/605116;
RA   Rydin C., Korall P.;
RT   "Evolutionary relationships in Ephedra (Gnetales), with implications for
RT   seed plant phylogeny.";
RL   Int. J. Plant Sci. 170:1031-1043(2009).
RN   [2] {ECO:0000313|EMBL:QXG17872.1}
RP   NUCLEOTIDE SEQUENCE.
RA   Rydin C., Blokzijl R., Thureborn O., Wikstroem N.;
RT   "Node ages, relationships, and phylogenomic incongruence in an ancient
RT   gymnosperm lineage -Phylogeny of Ephedra revisited.";
RL   Taxon 0:0-0(2021).
CC   -!- FUNCTION: Controls the interaction of photosystem II (PSII) cores with
CC       the light-harvesting antenna, regulates electron flow through the 2
CC       photosystem reaction centers. PSII is a light-driven water
CC       plastoquinone oxidoreductase, using light energy to abstract electrons
CC       from H(2)O, generating a proton gradient subsequently used for ATP
CC       formation. {ECO:0000256|RuleBase:RU003472}.
CC   -!- FUNCTION: May control the interaction of photosystem II (PSII) cores
CC       with the light-harvesting antenna, regulates electron flow through the
CC       2 photosystem reaction centers. PSII is a light-driven water
CC       plastoquinone oxidoreductase, using light energy to abstract electrons
CC       from H(2)O, generating a proton gradient subsequently used for ATP
CC       formation. {ECO:0000256|HAMAP-Rule:MF_00644}.
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       PsbY, PsbZ, Psb30/Ycf12, at least 3 peripheral proteins of the oxygen-
CC       evolving complex and a large number of cofactors. It forms dimeric
CC       complexes. {ECO:0000256|ARBA:ARBA00038734, ECO:0000256|HAMAP-
CC       Rule:MF_00644}.
CC   -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC       pass membrane protein {ECO:0000256|ARBA:ARBA00004141}. Plastid,
CC       chloroplast thylakoid membrane {ECO:0000256|HAMAP-Rule:MF_00644};
CC       Multi-pass membrane protein {ECO:0000256|HAMAP-Rule:MF_00644}.
CC   -!- SIMILARITY: Belongs to the PsbZ family. {ECO:0000256|ARBA:ARBA00008367,
CC       ECO:0000256|HAMAP-Rule:MF_00644, ECO:0000256|RuleBase:RU003472}.
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DR   EMBL; FJ958168; ACZ92232.1; -; Genomic_DNA.
DR   EMBL; MG594479; QXG17872.1; -; Genomic_DNA.
DR   AlphaFoldDB; D3GKJ6; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009539; C:photosystem II reaction center; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   GO; GO:0042549; P:photosystem II stabilization; IEA:InterPro.
DR   Gene3D; 1.10.287.740; Photosystem II PsbZ, reaction centre; 1.
DR   HAMAP; MF_00644; PSII_PsbZ; 1.
DR   InterPro; IPR002644; PSII_PsbZ.
DR   InterPro; IPR036512; PSII_PsbZ_sf.
DR   NCBIfam; TIGR03043; PS_II_psbZ; 1.
DR   PANTHER; PTHR34971; PHOTOSYSTEM II REACTION CENTER PROTEIN Z; 1.
DR   PANTHER; PTHR34971:SF2; PHOTOSYSTEM II REACTION CENTER PROTEIN Z; 1.
DR   Pfam; PF01737; Ycf9; 1.
DR   SUPFAM; SSF161055; PsbZ-like; 1.
PE   3: Inferred from homology;
KW   Chloroplast {ECO:0000313|EMBL:ACZ92232.1};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00644};
KW   Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP-
KW   Rule:MF_00644};
KW   Photosystem II {ECO:0000256|ARBA:ARBA00023276, ECO:0000256|HAMAP-
KW   Rule:MF_00644}; Plastid {ECO:0000313|EMBL:ACZ92232.1};
KW   Reaction center {ECO:0000256|ARBA:ARBA00022469, ECO:0000256|HAMAP-
KW   Rule:MF_00644};
KW   Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00644};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW   Rule:MF_00644};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW   Rule:MF_00644}.
FT   TRANSMEM        38..60
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
SQ   SEQUENCE   61 AA;  6574 MW;  6DF623A7016ECEA3 CRC64;
     MTIAFQLTMF ALIAISFLLL IGVPIAFAFP EGWSGNKNIL FSAVSLWIGL VISVGVLNSF
     I
//
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