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PETN_LOTJA
ID   PETN_LOTJA              Reviewed;          29 AA.
AC   P61040; P12178; P56789;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2004, sequence version 1.
DT   25-MAY-2022, entry version 65.
DE   RecName: Full=Cytochrome b6-f complex subunit 8;
DE   AltName: Full=Cytochrome b6-f complex subunit PetN;
DE   AltName: Full=Cytochrome b6-f complex subunit VIII;
GN   Name=petN; Synonyms=ycf6;
OS   Lotus japonicus (Lotus corniculatus var. japonicus).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; robinioid clade; Loteae; Lotus.
OX   NCBI_TaxID=34305;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Miyakojima MG-20;
RX   PubMed=11214967; DOI=10.1093/dnares/7.6.323;
RA   Kato T., Kaneko T., Sato S., Nakamura Y., Tabata S.;
RT   "Complete structure of the chloroplast genome of a legume, Lotus
RT   japonicus.";
RL   DNA Res. 7:323-330(2000).
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.
CC       {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: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Single-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PetN family. {ECO:0000305}.
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DR   EMBL; AP002983; BAB33193.1; -; Genomic_DNA.
DR   RefSeq; NP_084795.1; NC_002694.1.
DR   AlphaFoldDB; P61040; -.
DR   SMR; P61040; -.
DR   GeneID; 802904; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009512; C:cytochrome b6f complex; IEA:InterPro.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0045158; F:electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity; IEA:InterPro.
DR   GO; GO:0017004; P:cytochrome complex assembly; IEA:UniProtKB-UniRule.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   HAMAP; MF_00395; Cytb6_f_PetN; 1.
DR   InterPro; IPR036143; Cytochr_b6-f_cplx_su8_sf.
DR   InterPro; IPR005497; Cytochrome_b6-f_cplx_su8.
DR   Pfam; PF03742; PetN; 1.
DR   SUPFAM; SSF103451; SSF103451; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Electron transport; Membrane; Photosynthesis; Plastid;
KW   Thylakoid; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..29
FT                   /note="Cytochrome b6-f complex subunit 8"
FT                   /id="PRO_0000217112"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   29 AA;  3170 MW;  2B1641516534C166 CRC64;
     MDIVSLAWAA LMVVFTFSLS LVVWGRSGL
 
 
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