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CYC6_THELV
ID   CYC6_THELV              Reviewed;          87 AA.
AC   P00114;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Cytochrome c6;
DE   AltName: Full=Cytochrome c-553;
DE   AltName: Full=Cytochrome c553;
DE   AltName: Full=Soluble cytochrome f;
GN   Name=petJ;
OS   Thermostichus lividus (Synechococcus lividus).
OC   Bacteria; Cyanobacteria; Thermostichales; Thermostichaceae; Thermostichus.
OX   NCBI_TaxID=33070;
RN   [1]
RP   PROTEIN SEQUENCE.
RA   Borden D., Margoliash E.;
RL   Submitted (DEC-1979) to the PIR data bank.
CC   -!- FUNCTION: Functions as an electron carrier between membrane-bound
CC       cytochrome b6-f and photosystem I in oxygenic photosynthesis.
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid lumen {ECO:0000305}.
CC   -!- PTM: Binds 1 heme c group covalently per subunit. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. PetJ subfamily.
CC       {ECO:0000305}.
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DR   PIR; A00106; CCYC6L.
DR   PDB; 2V08; X-ray; 2.00 A; A/B=1-85.
DR   PDBsum; 2V08; -.
DR   AlphaFoldDB; P00114; -.
DR   SMR; P00114; -.
DR   EvolutionaryTrace; P00114; -.
DR   GO; GO:0031979; C:plasma membrane-derived thylakoid lumen; IEA:UniProtKB-SubCell.
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; 1.10.760.10; -; 1.
DR   HAMAP; MF_00594; Cytc_PetJ; 1.
DR   InterPro; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   InterPro; IPR023655; Cyt_C6.
DR   InterPro; IPR008168; Cyt_C_IC.
DR   PANTHER; PTHR34688; PTHR34688; 1.
DR   Pfam; PF13442; Cytochrome_CBB3; 1.
DR   PRINTS; PR00605; CYTCHROMECIC.
DR   SUPFAM; SSF46626; SSF46626; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Direct protein sequencing; Electron transport; Heme; Iron;
KW   Metal-binding; Photosynthesis; Thylakoid; Transport.
FT   CHAIN           1..87
FT                   /note="Cytochrome c6"
FT                   /id="PRO_0000208688"
FT   BINDING         14
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         17
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         18
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   BINDING         58
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
SQ   SEQUENCE   87 AA;  9129 MW;  37713EC6405EBEEE CRC64;
     ADLANGAKVF SGNCAACHMG GGNVVMANKT LKKEALEQFG MNSEDAIIYQ VQHGKNAMPA
     FAGRLTDEQI QDVAAYVLDQ AAKGWAG
 
 
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