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CYF_OENPA
ID   CYF_OENPA               Reviewed;         318 AA.
AC   B0Z5E1;
DT   01-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 59.
DE   RecName: Full=Cytochrome f {ECO:0000255|HAMAP-Rule:MF_00610};
DE   Flags: Precursor;
GN   Name=petA {ECO:0000255|HAMAP-Rule:MF_00610};
OS   Oenothera parviflora (Small-flowered evening primrose) (Oenothera
OS   cruciata).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Myrtales; Onagraceae; Onagroideae; Onagreae; Oenothera.
OX   NCBI_TaxID=482429;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Atrovirens;
RX   PubMed=18299283; DOI=10.1093/nar/gkn081;
RA   Greiner S., Wang X., Rauwolf U., Silber M.V., Mayer K., Meurer J.,
RA   Haberer G., Herrmann R.G.;
RT   "The complete nucleotide sequences of the five genetically distinct plastid
RT   genomes of Oenothera, subsection Oenothera: I. Sequence evaluation and
RT   plastome evolution.";
RL   Nucleic Acids Res. 36:2366-2378(2008).
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:0000255|HAMAP-Rule:MF_00610}.
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00610};
CC       Note=Binds 1 heme group covalently. {ECO:0000255|HAMAP-Rule:MF_00610};
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:0000255|HAMAP-Rule:MF_00610}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00610}.
CC   -!- SIMILARITY: Belongs to the cytochrome f family. {ECO:0000255|HAMAP-
CC       Rule:MF_00610}.
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DR   EMBL; EU262891; ABX10134.1; -; Genomic_DNA.
DR   RefSeq; YP_001687464.1; NC_010362.1.
DR   AlphaFoldDB; B0Z5E1; -.
DR   SMR; B0Z5E1; -.
DR   GeneID; 5955426; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0031361; C:integral component of thylakoid membrane; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.60.40.830; -; 1.
DR   HAMAP; MF_00610; Cytb6_f_cytF; 1.
DR   InterPro; IPR024058; Cyt-f_TM.
DR   InterPro; IPR002325; Cyt_f.
DR   InterPro; IPR024094; Cyt_f_lg_dom.
DR   InterPro; IPR036826; Cyt_f_lg_dom_sf.
DR   InterPro; IPR011054; Rudment_hybrid_motif.
DR   Pfam; PF01333; Apocytochr_F_C; 1.
DR   Pfam; PF16639; Apocytochr_F_N; 1.
DR   PRINTS; PR00610; CYTOCHROMEF.
DR   SUPFAM; SSF103431; SSF103431; 1.
DR   SUPFAM; SSF49441; SSF49441; 1.
DR   SUPFAM; SSF51246; SSF51246; 1.
DR   PROSITE; PS51010; CYTF; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Electron transport; Heme; Iron; Membrane; Metal-binding;
KW   Photosynthesis; Plastid; Signal; Thylakoid; Transmembrane;
KW   Transmembrane helix; Transport.
FT   SIGNAL          1..33
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
FT   CHAIN           34..318
FT                   /note="Cytochrome f"
FT                   /id="PRO_0000342078"
FT   TRANSMEM        284..304
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
FT   BINDING         34
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
FT   BINDING         54
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
FT   BINDING         57
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
FT   BINDING         58
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00610"
SQ   SEQUENCE   318 AA;  34928 MW;  4EDAAD56032E8F92 CRC64;
     MKNTFSWIKK EITRSISLSL MIYIITRTSI SNAYPIFAQQ GYENPREATG RIVCANCHLA
     NKPVDIEVPQ AVLPDTVFEA VVRIPYDRQV KQVLANGKKG GLNVGAVLIL PEGFELAPPA
     RISPEMKERI GNPSFQSYRP TKKNILVIGP VPGQKYSEIT FPILSPDPAT NKDVHFLKYP
     IYVGGNRGRG QIYPDGSKSN NTVYNATAAG IVSKIIRKEK GGYEITITDA SDGRQVVDII
     PSGPELLVSE GESIKLDQPL TSNPNVGGFG QGDAEVVLQD PLRVQGLLFF LASVILAQIF
     LVLKKKQFEK VQLSEMNF
 
 
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