ID   PSBZ_PORPU              Reviewed;          62 AA.
AC   P51316;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Photosystem II reaction center protein Z {ECO:0000255|HAMAP-Rule:MF_00644};
DE            Short=PSII-Z {ECO:0000255|HAMAP-Rule:MF_00644};
GN   Name=psbZ {ECO:0000255|HAMAP-Rule:MF_00644}; Synonyms=ycf9;
OS   Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX   NCBI_TaxID=2787;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Avonport;
RA   Reith M.E., Munholland J.;
RT   "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT   genome.";
RL   Plant Mol. Biol. Rep. 13:333-335(1995).
CC   -!- FUNCTION: Controls the interaction of photosystem II (PSII) cores with
CC       the light-harvesting antenna. {ECO:0000255|HAMAP-Rule:MF_00644}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00644}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00644}. Note=Associated with the photosystem
CC       II complex. {ECO:0000255|HAMAP-Rule:MF_00644}.
CC   -!- SIMILARITY: Belongs to the PsbZ family. {ECO:0000255|HAMAP-
CC       Rule:MF_00644}.
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DR   EMBL; U38804; AAC08202.1; -; Genomic_DNA.
DR   PIR; S73237; S73237.
DR   RefSeq; NP_053926.1; NC_000925.1.
DR   AlphaFoldDB; P51316; -.
DR   SMR; P51316; -.
DR   GeneID; 809945; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
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; -; 1.
DR   HAMAP; MF_00644; PSII_PsbZ; 1.
DR   InterPro; IPR002644; PSII_PsbZ.
DR   InterPro; IPR036512; PSII_PsbZ_sf.
DR   PANTHER; PTHR34971; PTHR34971; 1.
DR   Pfam; PF01737; Ycf9; 1.
DR   SUPFAM; SSF161055; SSF161055; 1.
DR   TIGRFAMs; TIGR03043; PS_II_psbZ; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Reaction center; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..62
FT                   /note="Photosystem II reaction center protein Z"
FT                   /id="PRO_0000217724"
FT   TRANSMEM        8..28
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00644"
FT   TRANSMEM        41..61
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00644"
SQ   SEQUENCE   62 AA;  6485 MW;  DDD5579FD2235A61 CRC64;
     MIIAIQLLVL LLITLSTILV VGVPVVLASP GQWEQSKGLI YTGAGLWTGL VIVTSLVNSL
     VV