CYC6_RIPO1
ID CYC6_RIPO1 Reviewed; 111 AA.
AC B7JYX3;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 03-AUG-2022, entry version 73.
DE RecName: Full=Cytochrome c6 {ECO:0000255|HAMAP-Rule:MF_00594};
DE AltName: Full=Cytochrome c-553 {ECO:0000255|HAMAP-Rule:MF_00594};
DE AltName: Full=Cytochrome c553 {ECO:0000255|HAMAP-Rule:MF_00594};
DE AltName: Full=Soluble cytochrome f {ECO:0000255|HAMAP-Rule:MF_00594};
DE Flags: Precursor;
GN Name=petJ {ECO:0000255|HAMAP-Rule:MF_00594};
GN OrderedLocusNames=PCC8801_2013;
OS Rippkaea orientalis (strain PCC 8801) (Cyanothece sp. (strain PCC 8801)).
OC Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC Aphanothecaceae; Rippkaea; Rippkaea orientalis.
OX NCBI_TaxID=41431;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 8801;
RX PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA Sherman L.A., Pakrasi H.B.;
RT "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT unicellular nitrogen-fixing Cyanobacteria.";
RL MBio 2:E214-E214(2011).
CC -!- FUNCTION: Functions as an electron carrier between membrane-bound
CC cytochrome b6-f and photosystem I in oxygenic photosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_00594}.
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00594}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid lumen {ECO:0000255|HAMAP-
CC Rule:MF_00594}.
CC -!- PTM: Binds 1 heme c group covalently per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_00594}.
CC -!- SIMILARITY: Belongs to the cytochrome c family. PetJ subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_00594}.
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DR EMBL; CP001287; ACK66050.1; -; Genomic_DNA.
DR RefSeq; WP_012595320.1; NC_011726.1.
DR AlphaFoldDB; B7JYX3; -.
DR SMR; B7JYX3; -.
DR STRING; 41431.PCC8801_2013; -.
DR EnsemblBacteria; ACK66050; ACK66050; PCC8801_2013.
DR KEGG; cyp:PCC8801_2013; -.
DR eggNOG; COG2010; Bacteria.
DR HOGENOM; CLU_101159_1_0_3; -.
DR OMA; GQNVIMP; -.
DR OrthoDB; 1939800at2; -.
DR Proteomes; UP000008204; 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 3: Inferred from homology;
KW Electron transport; Heme; Iron; Metal-binding; Photosynthesis;
KW Reference proteome; Signal; Thylakoid; Transport.
FT SIGNAL 1..25
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT CHAIN 26..111
FT /note="Cytochrome c6"
FT /id="PRO_5000417665"
FT BINDING 39
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT BINDING 42
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT BINDING 43
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 /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT BINDING 83
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 /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
SQ SEQUENCE 111 AA; 11669 MW; AC12CCF379984134 CRC64;
MKRLLSLIFL VFVFFAVMLT PPALAGDAAA GKTVFTAKCA QCHLGGKNLV NPAKTLSKAD
LEANGMASLD AIITQVTNGK AAMPAFGKLL TAEQIENVAT YVLAQAEADW K