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Database: UniProt
Entry: K9XXS0_STAC7
LinkDB: K9XXS0_STAC7
Original site: K9XXS0_STAC7 
ID   K9XXS0_STAC7            Unreviewed;        62 AA.
AC   K9XXS0;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   24-JAN-2024, entry version 46.
DE   RecName: Full=Photosystem II reaction center protein Z {ECO:0000256|HAMAP-Rule:MF_00644, ECO:0000256|RuleBase:RU003472};
DE            Short=PSII-Z {ECO:0000256|HAMAP-Rule:MF_00644};
GN   Name=psbZ {ECO:0000256|HAMAP-Rule:MF_00644};
GN   OrderedLocusNames=Sta7437_3395 {ECO:0000313|EMBL:AFZ36901.1};
OS   Stanieria cyanosphaera (strain ATCC 29371 / PCC 7437).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Pleurocapsales; Dermocarpellaceae;
OC   Stanieria.
OX   NCBI_TaxID=111780 {ECO:0000313|EMBL:AFZ36901.1, ECO:0000313|Proteomes:UP000010473};
RN   [1] {ECO:0000313|Proteomes:UP000010473}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29371 / PCC 7437 {ECO:0000313|Proteomes:UP000010473};
RX   PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA   Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA   Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA   Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA   Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT   "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT   genome sequencing.";
RL   Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
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       PsbX, PsbY, PsbZ, Psb30/Ycf12, peripheral proteins PsbO, CyanoQ (PsbQ),
CC       PsbU, PsbV and a large number of cofactors. It forms dimeric complexes.
CC       {ECO:0000256|HAMAP-Rule:MF_00644}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000256|HAMAP-
CC       Rule:MF_00644}; Multi-pass membrane protein {ECO:0000256|HAMAP-
CC       Rule:MF_00644}. Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-pass
CC       membrane protein {ECO:0000256|ARBA:ARBA00004141}.
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; CP003653; AFZ36901.1; -; Genomic_DNA.
DR   RefSeq; WP_015194563.1; NC_019748.1.
DR   AlphaFoldDB; K9XXS0; -.
DR   STRING; 111780.Sta7437_3395; -.
DR   KEGG; scs:Sta7437_3395; -.
DR   PATRIC; fig|111780.3.peg.3519; -.
DR   eggNOG; ENOG5032ZB0; Bacteria.
DR   HOGENOM; CLU_195286_1_0_3; -.
DR   OMA; MSIVFQI; -.
DR   Proteomes; UP000010473; Chromosome.
DR   GO; GO:0009539; C:photosystem II reaction center; IEA:InterPro.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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   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};
KW   Reaction center {ECO:0000256|ARBA:ARBA00022469, ECO:0000256|HAMAP-
KW   Rule:MF_00644}; Reference proteome {ECO:0000313|Proteomes:UP000010473};
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..61
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|SAM:Phobius"
SQ   SEQUENCE   62 AA;  6952 MW;  17D1B96F602EAFCE CRC64;
     MTFLFQLVLT LFVLFSFVMV IGVPVAYASP QNWDQSKSLI FLGSGLWVIL VVLVAVLNFF
     VI
//
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