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PSBI_MAIZE
ID   PSBI_MAIZE              Reviewed;          36 AA.
AC   P62101; P09970;
DT   21-JUN-2004, integrated into UniProtKB/Swiss-Prot.
DT   21-JUN-2004, sequence version 1.
DT   25-MAY-2022, entry version 65.
DE   RecName: Full=Photosystem II reaction center protein I {ECO:0000255|HAMAP-Rule:MF_01316};
DE            Short=PSII-I {ECO:0000255|HAMAP-Rule:MF_01316};
DE   AltName: Full=PSII 4.8 kDa protein {ECO:0000255|HAMAP-Rule:MF_01316};
GN   Name=psbI {ECO:0000255|HAMAP-Rule:MF_01316};
OS   Zea mays (Maize).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX   NCBI_TaxID=4577;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. B73;
RX   PubMed=7666415; DOI=10.1006/jmbi.1995.0460;
RA   Maier R.M., Neckermann K., Igloi G.L., Koessel H.;
RT   "Complete sequence of the maize chloroplast genome: gene content, hotspots
RT   of divergence and fine tuning of genetic information by transcript
RT   editing.";
RL   J. Mol. Biol. 251:614-628(1995).
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_01316}.
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, Ycf12, at least 3 peripheral proteins of the oxygen-
CC       evolving complex and a large number of cofactors. It forms dimeric
CC       complexes. {ECO:0000255|HAMAP-Rule:MF_01316}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01316}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01316}.
CC   -!- SIMILARITY: Belongs to the PsbI family. {ECO:0000255|HAMAP-
CC       Rule:MF_01316}.
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DR   EMBL; X86563; CAA60269.1; -; Genomic_DNA.
DR   PIR; S58535; S58535.
DR   RefSeq; NP_043008.1; NC_001666.2.
DR   AlphaFoldDB; P62101; -.
DR   SMR; P62101; -.
DR   GeneID; 845206; -.
DR   KEGG; zma:845206; -.
DR   MaizeGDB; 118219; -.
DR   OrthoDB; 1631420at2759; -.
DR   Proteomes; UP000007305; Chloroplast.
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   HAMAP; MF_01316; PSII_PsbI; 1.
DR   InterPro; IPR003686; PSII_PsbI.
DR   InterPro; IPR037271; PSII_PsbI_sf.
DR   PANTHER; PTHR35772; PTHR35772; 1.
DR   Pfam; PF02532; PsbI; 1.
DR   SUPFAM; SSF161041; SSF161041; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Reaction center; Reference proteome; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..36
FT                   /note="Photosystem II reaction center protein I"
FT                   /id="PRO_0000219633"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01316"
SQ   SEQUENCE   36 AA;  4168 MW;  6B6C7FCB57BB6236 CRC64;
     MLTLKLFVYT VVIFFVSLFI FGFLSNDPGR NPGREE
 
 
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