CYC6_SYNP2
ID CYC6_SYNP2 Reviewed; 117 AA.
AC O30881; B1XM34;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 01-JAN-1998, sequence version 1.
DT 03-AUG-2022, entry version 141.
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=SYNPCC7002_A0167;
OS Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum
OS quadruplicatum).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=32049;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA Nomura C.T., Bryant D.A.;
RT "Synechococcus sp. strain PCC 7002 cytochrome c6.";
RL Submitted (AUG-1997) to the EMBL/GenBank/DDBJ databases.
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27264 / PCC 7002 / PR-6;
RA Li T., Zhao J., Zhao C., Liu Z., Zhao F., Marquardt J., Nomura C.T.,
RA Persson S., Detter J.C., Richardson P.M., Lanz C., Schuster S.C., Wang J.,
RA Li S., Huang X., Cai T., Yu Z., Luo J., Zhao J., Bryant D.A.;
RT "Complete sequence of Synechococcus sp. PCC 7002.";
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Functions as an electron carrier between membrane-bound
CC cytochrome b6-f and photosystem I in oxygenic photosynthesis.
CC {ECO:0000250}.
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; AF020306; AAB81077.1; -; Genomic_DNA.
DR EMBL; CP000951; ACA98181.1; -; Genomic_DNA.
DR RefSeq; WP_012305805.1; NC_010475.1.
DR PDB; 3DR0; X-ray; 1.23 A; A/B/C=25-117.
DR PDB; 4EIC; X-ray; 0.84 A; A=25-117.
DR PDB; 4EID; X-ray; 1.13 A; A=25-117.
DR PDBsum; 3DR0; -.
DR PDBsum; 4EIC; -.
DR PDBsum; 4EID; -.
DR AlphaFoldDB; O30881; -.
DR SMR; O30881; -.
DR STRING; 32049.SYNPCC7002_A0167; -.
DR EnsemblBacteria; ACA98181; ACA98181; SYNPCC7002_A0167.
DR KEGG; syp:SYNPCC7002_A0167; -.
DR eggNOG; COG2010; Bacteria.
DR HOGENOM; CLU_101159_1_0_3; -.
DR OMA; GQNVIMP; -.
DR EvolutionaryTrace; O30881; -.
DR Proteomes; UP000001688; 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 3D-structure; Electron transport; Heme; Iron; Metal-binding;
KW Photosynthesis; Reference proteome; Signal; Thylakoid; Transport.
FT SIGNAL 1..24
FT /evidence="ECO:0000250"
FT CHAIN 25..117
FT /note="Cytochrome c6"
FT /id="PRO_0000023858"
FT BINDING 38
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000250"
FT BINDING 41
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000250"
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 /evidence="ECO:0000250"
FT BINDING 89
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:0000250"
FT HELIX 27..37
FT /evidence="ECO:0007829|PDB:4EIC"
FT HELIX 39..42
FT /evidence="ECO:0007829|PDB:4EIC"
FT HELIX 43..45
FT /evidence="ECO:0007829|PDB:4EIC"
FT STRAND 48..50
FT /evidence="ECO:0007829|PDB:4EIC"
FT HELIX 57..63
FT /evidence="ECO:0007829|PDB:4EIC"
FT TURN 65..70
FT /evidence="ECO:0007829|PDB:4EIC"
FT HELIX 74..84
FT /evidence="ECO:0007829|PDB:4EIC"
FT HELIX 98..113
FT /evidence="ECO:0007829|PDB:4EIC"
SQ SEQUENCE 117 AA; 11916 MW; E49A08D64D424974 CRC64;
MKKLLAIALT VLATVFAFGT PAFAADAAAG AQVFAANCAA CHAGGNNAVM PTKTLKADAL
KTYLAGYKDG SKSLEEAVAY QVTNGQGAMP AFGGRLSDAD IANVAAYIAD QAENNKW
