ID   PSBZ_PEA                Reviewed;          62 AA.
AC   Q32902;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 92.
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   Pisum sativum (Garden pea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; IRL clade; Fabeae; Pisum.
OX   NCBI_TaxID=3888;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. Rosakrone;
RX   AGRICOLA=IND87019930; DOI=10.1007/BF00034943;
RA   Bookjans G.B., Stummann B.M., Rasmussen O.F., Henningsen K.W.;
RT   "Structure of a 3.2 kb region of pea chloroplast DNA containing the gene
RT   for the 44 kD photosystem II polypeptide.";
RL   Plant Mol. Biol. 6:359-366(1986).
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; M27309; AAB59337.1; -; Genomic_DNA.
DR   RefSeq; YP_003587542.1; NC_014057.1.
DR   PDB; 5XNL; EM; 2.70 A; Z/z=1-62.
DR   PDB; 5XNM; EM; 3.20 A; Z/z=1-62.
DR   PDB; 6YP7; EM; 3.80 A; Z/z=1-62.
DR   PDBsum; 5XNL; -.
DR   PDBsum; 5XNM; -.
DR   PDBsum; 6YP7; -.
DR   AlphaFoldDB; Q32902; -.
DR   SMR; Q32902; -.
DR   GeneID; 9073080; -.
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   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Membrane; Photosynthesis; Photosystem II;
KW   Plastid; Reaction center; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..62
FT                   /note="Photosystem II reaction center protein Z"
FT                   /id="PRO_0000217722"
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"
FT   HELIX           2..27
FT                   /evidence="ECO:0007829|PDB:5XNL"
FT   STRAND          30..32
FT                   /evidence="ECO:0007829|PDB:5XNL"
FT   TURN            33..35
FT                   /evidence="ECO:0007829|PDB:5XNL"
FT   HELIX           37..60
FT                   /evidence="ECO:0007829|PDB:5XNL"
SQ   SEQUENCE   62 AA;  6555 MW;  9494CDBAE7936152 CRC64;
     MTIAFQLAVF ALIVTSSILL ISVPVVFASP DGWSSNKNVV FSGTSLWIGL VFLVGILNSL
     IS