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CYC6_DIALT
ID   CYC6_DIALT              Reviewed;          83 AA.
AC   P00107;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 92.
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   Diacronema lutheri (Unicellular marine alga) (Monochrysis lutheri).
OC   Eukaryota; Haptista; Haptophyta; Pavlovales; Pavlovaceae; Diacronema.
OX   NCBI_TaxID=2081491;
RN   [1]
RP   PROTEIN SEQUENCE, AND METHYLATION AT LYS-24.
RX   PubMed=4345913; DOI=10.1139/o72-176;
RA   Laycock M.V.;
RT   "The amino acid sequence of cytochrome c-553 from the Chrysophycean alga
RT   Monochrysis lutheri.";
RL   Can. J. Biochem. 50:1311-1325(1972).
RN   [2]
RP   SEQUENCE REVISION TO 2; 5; 7; 13 AND 73.
RA   Laycock M.V.;
RL   Submitted (DEC-1974) 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: Plastid, chloroplast thylakoid lumen.
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
CC   -!- PTM: 50% of the molecules were found to be monomethylated at Lys-24.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. PetJ subfamily.
CC       {ECO:0000305}.
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DR   PIR; A00099; CCML6.
DR   iPTMnet; P00107; -.
DR   GO; GO:0009543; C:chloroplast thylakoid lumen; IEA:UniProtKB-SubCell.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
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-KW.
DR   Gene3D; 1.10.760.10; -; 1.
DR   InterPro; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   InterPro; IPR008168; Cyt_C_IC.
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   Chloroplast; Direct protein sequencing; Electron transport; Heme; Iron;
KW   Metal-binding; Methylation; Photosynthesis; Plastid; Thylakoid; Transport.
FT   CHAIN           1..83
FT                   /note="Cytochrome c6"
FT                   /id="PRO_0000208678"
FT   BINDING         14
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433,
FT                   ECO:0000269|PubMed:4345913"
FT   BINDING         17
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433,
FT                   ECO:0000269|PubMed:4345913"
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         59
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   MOD_RES         24
FT                   /note="N6-methyllysine; partial"
FT                   /evidence="ECO:0000269|PubMed:4345913"
SQ   SEQUENCE   83 AA;  8816 MW;  CBCDCDEE026A9C64 CRC64;
     GDIANGEQVF TGNCAACHSV ZZZKTLELSS LWKAKSYLAN FNGDESAIVY QVTNGKNAMP
     AFGGRLEDDE IANVASYVLS KAG
 
 
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