CYC6_SYNP6
ID CYC6_SYNP6 Reviewed; 111 AA.
AC P07497; Q5N5Y8;
DT 01-APR-1988, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2005, sequence version 2.
DT 03-AUG-2022, entry version 145.
DE RecName: Full=Cytochrome c6;
DE AltName: Full=Cytochrome c-553;
DE AltName: Full=Cytochrome c553;
DE AltName: Full=Soluble cytochrome f;
DE Flags: Precursor;
GN Name=petJ; OrderedLocusNames=syc0089_d;
OS Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS nidulans).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX NCBI_TaxID=269084;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT Synechococcus elongatus PCC 6301 chromosome: gene content and
RT organization.";
RL Photosyn. Res. 93:55-67(2007).
RN [2]
RP PROTEIN SEQUENCE OF 25-111.
RA Dickerson R.E.;
RL (In) Sigman D.S., Brazier M.A.B. (eds.);
RL The evolution of protein structure and function, pp.173-202, Academic
RL Press, New York and London (1980).
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 EMBL; AP008231; BAD78279.1; -; Genomic_DNA.
DR RefSeq; WP_011242402.1; NC_006576.1.
DR AlphaFoldDB; P07497; -.
DR SMR; P07497; -.
DR STRING; 269084.syc0089_d; -.
DR PRIDE; P07497; -.
DR EnsemblBacteria; BAD78279; BAD78279; syc0089_d.
DR KEGG; syc:syc0089_d; -.
DR eggNOG; COG2010; Bacteria.
DR OMA; GQNVIMP; -.
DR Proteomes; UP000001175; Chromosome.
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 Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW Photosynthesis; Signal; Thylakoid; Transport.
FT SIGNAL 1..24
FT /evidence="ECO:0000269|Ref.2"
FT CHAIN 25..111
FT /note="Cytochrome c6"
FT /id="PRO_0000023859"
FT BINDING 38
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT BINDING 41
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT BINDING 42
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 82
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 CONFLICT 40
FT /note="A -> S (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 56
FT /note="Q -> E (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 62
FT /note="Q -> E (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 87
FT /note="S -> A (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 95..96
FT /note="AD -> EG (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 101
FT /note="V -> A (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
FT CONFLICT 106..111
FT /note="EKGWQG -> GKEW (in Ref. 2; AA sequence)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 111 AA; 11388 MW; 0678CDD974490162 CRC64;
MKRILGTAIA ALVVLLAFIA PAQAADLAHG GQVFSANCAA CHLGGRNVVN PAKTLQKADL
DQYGMASIEA ITTQVTNGKG AMPAFGSKLS ADDIADVASY VLDQSEKGWQ G
