CYC6_GRATL
ID CYC6_GRATL Reviewed; 108 AA.
AC Q6B941;
DT 06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2004, sequence version 1.
DT 03-AUG-2022, entry version 72.
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}; OrderedLocusNames=Grc000012;
OS Gracilaria tenuistipitata var. liui (Red alga).
OG Plastid; Chloroplast.
OC Eukaryota; Rhodophyta; Florideophyceae; Rhodymeniophycidae; Gracilariales;
OC Gracilariaceae; Agarophyton; Agarophyton tenuistipitatum.
OX NCBI_TaxID=285951;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=15638458; DOI=10.1007/s00239-004-2638-3;
RA Hagopian J.C., Reis M., Kitajima J.P., Bhattacharya D., de Oliveira M.C.;
RT "Comparative analysis of the complete plastid genome sequence of the red
RT alga Gracilaria tenuistipitata var. liui provides insights into the
RT evolution of rhodoplasts and their relationship to other plastids.";
RL J. Mol. Evol. 59:464-477(2004).
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: Plastid, chloroplast thylakoid lumen
CC {ECO:0000255|HAMAP-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; AY673996; AAT79594.1; -; Genomic_DNA.
DR RefSeq; YP_063519.1; NC_006137.1.
DR AlphaFoldDB; Q6B941; -.
DR SMR; Q6B941; -.
DR GeneID; 2944073; -.
DR GO; GO:0009543; C:chloroplast 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 Chloroplast; Electron transport; Heme; Iron; Metal-binding; Photosynthesis;
KW Plastid; Signal; Thylakoid; Transport.
FT SIGNAL 1..23
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT CHAIN 24..108
FT /note="Cytochrome c6"
FT /id="PRO_0000275347"
FT BINDING 37
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT BINDING 40
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00594"
FT BINDING 41
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 81
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 108 AA; 11814 MW; 20D9FC01F8B51337 CRC64;
MRLLFAFFII CHIFTNNVQL TFAADLDAGE QIFSANCSAC HANGNNAIMP DKTLKSDALS
ENKMNSIEAI TNQVKNGKNA MPAFGGRLAD EDIENVANYV LNKSENGW
