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PETL_SYNS3
ID   PETL_SYNS3              Reviewed;          37 AA.
AC   Q0I733;
DT   20-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 63.
DE   RecName: Full=Cytochrome b6-f complex subunit 6;
DE   AltName: Full=Cytochrome b6-f complex subunit PetL;
DE   AltName: Full=Cytochrome b6-f complex subunit VI;
GN   Name=petL; OrderedLocusNames=sync_2550;
OS   Synechococcus sp. (strain CC9311).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=64471;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC9311;
RX   PubMed=16938853; DOI=10.1073/pnas.0602963103;
RA   Palenik B., Ren Q., Dupont C.L., Myers G.S., Heidelberg J.F., Badger J.H.,
RA   Madupu R., Nelson W.C., Brinkac L.M., Dodson R.J., Durkin A.S.,
RA   Daugherty S.C., Sullivan S.A., Khouri H., Mohamoud Y., Halpin R.,
RA   Paulsen I.T.;
RT   "Genome sequence of Synechococcus CC9311: insights into adaptation to a
RT   coastal environment.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:13555-13559(2006).
CC   -!- FUNCTION: Component of the cytochrome b6-f complex, which mediates
CC       electron transfer between photosystem II (PSII) and photosystem I
CC       (PSI), cyclic electron flow around PSI, and state transitions. PetL is
CC       important for photoautotrophic growth as well as for electron transfer
CC       efficiency and stability of the cytochrome b6-f complex (By
CC       similarity). {ECO:0000250}.
CC   -!- SUBUNIT: The 4 large subunits of the cytochrome b6-f complex are
CC       cytochrome b6, subunit IV (17 kDa polypeptide, PetD), cytochrome f and
CC       the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and
CC       PetN. The complex functions as a dimer (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250};
CC       Single-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PetL family. {ECO:0000305}.
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DR   EMBL; CP000435; ABI47008.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0I733; -.
DR   SMR; Q0I733; -.
DR   EnsemblBacteria; ABI47008; ABI47008; sync_2550.
DR   KEGG; syg:sync_2550; -.
DR   HOGENOM; CLU_219686_0_0_3; -.
DR   Proteomes; UP000001961; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; 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.
PE   3: Inferred from homology;
KW   Electron transport; Membrane; Photosynthesis; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..37
FT                   /note="Cytochrome b6-f complex subunit 6"
FT                   /id="PRO_0000278084"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   37 AA;  3839 MW;  EB0F3C405A8492DD CRC64;
     MLQSVSVMGV VIYLGLVGAG LVAAFAFSTL LRSIKLI
 
 
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