ID   PSB28_SYNY3             Reviewed;         112 AA.
AC   Q55356;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 126.
DE   RecName: Full=Photosystem II reaction center Psb28 protein {ECO:0000255|HAMAP-Rule:MF_01370, ECO:0000303|PubMed:12069591};
DE   AltName: Full=Photosystem II 13 kDa protein {ECO:0000255|HAMAP-Rule:MF_01370};
DE   AltName: Full=Photosystem II reaction center W protein {ECO:0000255|HAMAP-Rule:MF_01370};
GN   Name=psb28 {ECO:0000255|HAMAP-Rule:MF_01370, ECO:0000303|PubMed:12069591};
GN   Synonyms=psbW {ECO:0000255|HAMAP-Rule:MF_01370}; OrderedLocusNames=sll1398;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Ikeuchi M., Katoh H.;
RT   "Cloning of genes for the 11 kDa and 13 kDa proteins of photosystem II from
RT   Synechocystis sp. PCC 6803.";
RL   Submitted (FEB-1996) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
RN   [3]
RP   PROTEIN SEQUENCE OF 2-20.
RX   PubMed=9298645; DOI=10.1002/elps.1150180806;
RA   Sazuka T., Ohara O.;
RT   "Towards a proteome project of cyanobacterium Synechocystis sp. strain
RT   PCC6803: linking 130 protein spots with their respective genes.";
RL   Electrophoresis 18:1252-1258(1997).
RN   [4]
RP   PROTEIN SEQUENCE OF 2-12, GENE NAME, SUBUNIT, AND SUBCELLULAR LOCATION.
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=12069591; DOI=10.1021/bi026012+;
RA   Kashino Y., Lauber W.M., Carroll J.A., Wang Q., Whitmarsh J., Satoh K.,
RA   Pakrasi H.B.;
RT   "Proteomic analysis of a highly active photosystem II preparation from the
RT   cyanobacterium Synechocystis sp. PCC 6803 reveals the presence of novel
RT   polypeptides.";
RL   Biochemistry 41:8004-8012(2002).
CC   -!- SUBUNIT: Part of the photosystem II complex.
CC       {ECO:0000269|PubMed:12069591}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane
CC       {ECO:0000269|PubMed:12069591}; Peripheral membrane protein
CC       {ECO:0000305|PubMed:12069591}; Cytoplasmic side
CC       {ECO:0000305|PubMed:12069591}.
CC   -!- SIMILARITY: Belongs to the Psb28 family. {ECO:0000255|HAMAP-
CC       Rule:MF_01370}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; D82937; BAA11641.1; -; Genomic_DNA.
DR   EMBL; BA000022; BAA16618.1; -; Genomic_DNA.
DR   PIR; S74466; S74466.
DR   PDB; 2KVO; NMR; -; A=1-112.
DR   PDBsum; 2KVO; -.
DR   AlphaFoldDB; Q55356; -.
DR   BMRB; Q55356; -.
DR   SMR; Q55356; -.
DR   IntAct; Q55356; 6.
DR   STRING; 1148.1651690; -.
DR   PaxDb; Q55356; -.
DR   EnsemblBacteria; BAA16618; BAA16618; BAA16618.
DR   KEGG; syn:sll1398; -.
DR   eggNOG; ENOG5031GDS; Bacteria.
DR   InParanoid; Q55356; -.
DR   OMA; EATYTWK; -.
DR   PhylomeDB; Q55356; -.
DR   BioCyc; MetaCyc:PSBW-MON; -.
DR   EvolutionaryTrace; Q55356; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0009654; C:photosystem II oxygen evolving complex; IEA:InterPro.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0030096; C:plasma membrane-derived thylakoid photosystem II; IDA:UniProtKB.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.40.30.220; -; 1.
DR   HAMAP; MF_01370; PSII_Psb28; 1.
DR   InterPro; IPR038676; Psb28_c1_sf.
DR   InterPro; IPR005610; PSII_Psb28_class-1.
DR   PANTHER; PTHR34963; PTHR34963; 1.
DR   Pfam; PF03912; Psb28; 1.
DR   TIGRFAMs; TIGR03047; PS_II_psb28; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; Membrane; Photosynthesis;
KW   Photosystem II; Reference proteome; Thylakoid.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:12069591"
FT   CHAIN           2..112
FT                   /note="Photosystem II reaction center Psb28 protein"
FT                   /id="PRO_0000217286"
FT   STRAND          3..9
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          17..22
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          28..37
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   HELIX           39..41
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   HELIX           46..48
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          52..55
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          60..63
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          66..71
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          74..84
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   HELIX           88..103
FT                   /evidence="ECO:0007829|PDB:2KVO"
FT   STRAND          106..108
FT                   /evidence="ECO:0007829|PDB:2KVO"
SQ   SEQUENCE   112 AA;  12590 MW;  B6DEB024B466B220 CRC64;
     MAEIQFSKGV AETVVPEVRL SKSKNGQSGM AKFYFLEPTI LAKESTDDIT GMYLIDDEGE
     IITREVKGKF INGRPTAIEA TVILNSQPEW DRFMRFMERY GAENGLGFSK SE