ID   YCF12_SYNY3             Reviewed;          39 AA.
AC   Q55438;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2004, sequence version 2.
DT   03-AUG-2022, entry version 104.
DE   RecName: Full=Photosystem II reaction center protein Ycf12 {ECO:0000255|HAMAP-Rule:MF_01329};
GN   Name=ycf12 {ECO:0000255|HAMAP-Rule:MF_01329}; OrderedLocusNames=sll0047;
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 [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).
CC   -!- FUNCTION: A core subunit of photosystem II (PSII). {ECO:0000255|HAMAP-
CC       Rule:MF_01329}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01329}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01329}.
CC   -!- SIMILARITY: Belongs to the Ycf12 family. {ECO:0000255|HAMAP-
CC       Rule:MF_01329}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAA10780.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; BA000022; BAA10780.1; ALT_INIT; Genomic_DNA.
DR   PIR; S75933; S75933.
DR   PDB; 7N8O; EM; 1.93 A; Y/y=1-39.
DR   PDB; 7RCV; EM; 2.01 A; Y/y=1-39.
DR   PDBsum; 7N8O; -.
DR   PDBsum; 7RCV; -.
DR   AlphaFoldDB; Q55438; -.
DR   SMR; Q55438; -.
DR   STRING; 1148.1001293; -.
DR   PaxDb; Q55438; -.
DR   EnsemblBacteria; BAA10780; BAA10780; BAA10780.
DR   KEGG; syn:sll0047; -.
DR   eggNOG; ENOG50308IH; Bacteria.
DR   Proteomes; UP000001425; Chromosome.
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:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   HAMAP; MF_01329; PSII_Ycf12; 1.
DR   InterPro; IPR010284; PSII_Ycf12_core-subunit.
DR   Pfam; PF05969; PSII_Ycf12; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Membrane; Photosynthesis; Photosystem II; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..39
FT                   /note="Photosystem II reaction center protein Ycf12"
FT                   /id="PRO_0000059045"
FT   TRANSMEM        12..32
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01329"
FT   HELIX           10..35
FT                   /evidence="ECO:0007829|PDB:7N8O"
SQ   SEQUENCE   39 AA;  4143 MW;  319553A5E1CB7CA9 CRC64;
     MELLAALNLE PIFQLTFLGL IVLAGPAVVF VLAFRGGDL