ID   PSBB_SECCE              Reviewed;         508 AA.
AC   P09447;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Photosystem II CP47 reaction center protein {ECO:0000255|HAMAP-Rule:MF_01495};
DE   AltName: Full=PSII 47 kDa protein {ECO:0000255|HAMAP-Rule:MF_01495};
DE   AltName: Full=Protein CP-47 {ECO:0000255|HAMAP-Rule:MF_01495};
GN   Name=psbB {ECO:0000255|HAMAP-Rule:MF_01495};
OS   Secale cereale (Rye).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Hordeinae; Secale.
OX   NCBI_TaxID=4550;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3419939; DOI=10.1093/nar/16.17.8737;
RA   Bukharov A.A., Kolosov V.L., Zolotarev A.S.;
RT   "Nucleotide sequence of rye chloroplast DNA fragment encoding psbB and psbH
RT   genes.";
RL   Nucleic Acids Res. 16:8737-8737(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2684168;
RA   Bukharov A.A., Kolosov V.L., Zolotarev A.S., Abdulaev N.G.;
RT   "Photosystem II of rye. Nucleotide sequence of psbB and psbH genes, coding
RT   47-kDa of chlorophyll(a)-binding and 10-kDa phosphorylated subunits.";
RL   Bioorg. Khim. 15:927-939(1989).
CC   -!- FUNCTION: One of the components of the core complex of photosystem II
CC       (PSII). It binds chlorophyll and helps catalyze the primary light-
CC       induced photochemical processes of PSII. PSII is a light-driven
CC       water:plastoquinone oxidoreductase, using light energy to abstract
CC       electrons from H(2)O, generating O(2) and a proton gradient
CC       subsequently used for ATP formation. {ECO:0000255|HAMAP-Rule:MF_01495}.
CC   -!- COFACTOR:
CC       Note=Binds multiple chlorophylls. PSII binds additional chlorophylls,
CC       carotenoids and specific lipids. {ECO:0000255|HAMAP-Rule:MF_01495};
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_01495}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01495}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01495}.
CC   -!- SIMILARITY: Belongs to the PsbB/PsbC family. PsbB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01495}.
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DR   EMBL; X07672; CAA30519.1; -; Genomic_DNA.
DR   PIR; S01385; S01385.
DR   RefSeq; YP_008239195.1; NC_021761.1.
DR   AlphaFoldDB; P09447; -.
DR   SMR; P09447; -.
DR   GeneID; 16792708; -.
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:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0016168; F:chlorophyll binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0045156; F:electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity; IEA:InterPro.
DR   GO; GO:0009772; P:photosynthetic electron transport in photosystem II; IEA:InterPro.
DR   HAMAP; MF_01495; PSII_PsbB_CP47; 1.
DR   InterPro; IPR000932; PS_antenna-like.
DR   InterPro; IPR036001; PS_II_antenna-like_sf.
DR   InterPro; IPR017486; PSII_PsbB.
DR   PANTHER; PTHR33180; PTHR33180; 1.
DR   Pfam; PF00421; PSII; 1.
DR   SUPFAM; SSF161077; SSF161077; 1.
DR   TIGRFAMs; TIGR03039; PS_II_CP47; 1.
PE   3: Inferred from homology;
KW   Chlorophyll; Chloroplast; Chromophore; Membrane; Photosynthesis;
KW   Photosystem II; Plastid; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..508
FT                   /note="Photosystem II CP47 reaction center protein"
FT                   /id="PRO_0000077497"
FT   TRANSMEM        21..36
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
FT   TRANSMEM        101..115
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
FT   TRANSMEM        140..156
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
FT   TRANSMEM        203..218
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
FT   TRANSMEM        237..252
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
FT   TRANSMEM        457..472
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01495"
SQ   SEQUENCE   508 AA;  56120 MW;  69E32E118C0351ED CRC64;
     MGLPWYRVHT VVLNDPGRLL AVHIMHTALV SGWAGSMALY ELAVFDPSDP VLDPMWRQGM
     FVIPFMTRLG ITDSWGGWSI SGGTVTNPGI WSYEGVAGTH IVFSGLCFLA AIWHWVYWDL
     EIFSDERTGK PSLDLPKIFG IHLFLAGVAC FGFGAFHVTG LYGPGIWVSD PYGLTGKVQA
     VNPAWGAEGF DPFVPGGIAS HHIAAGTLGI LAGLFHLSVR PPQRLYKGLR MGNIETVLSS
     SIAAVFFAAF VVAGTMWYGS ATTPIELFGP TRYQWDQGYF QQEIYRRVSN GLAENLSLSE
     AWSKIPEKLA FYDYIGNNPA KGGLFRAGSM DNGDGIAVGW LGHPVFRDKE GRELFVRRMP
     TFFETFPVVL VDEEGIVRAD VPFRRAESKY SVEQVGVTVE FYGGELNGVS YSDPATVKKY
     ARRSQLGEIF ELDRATLKSD GVFRSSPRGW FTFGHATFAL LFFFGHIWHG ARTLFRDVFA
     GIDPDLDAQV EFGTFQKVGD PTTRKQAV