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