ID   CYC6_CHLRE              Reviewed;         148 AA.
AC   P08197;
DT   01-AUG-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 2.
DT   04-NOV-2008, entry version 71.
DE   RecName: Full=Cytochrome c6, chloroplastic;
DE   AltName: Full=Soluble cytochrome f;
DE   AltName: Full=Cytochrome c-553;
DE   AltName: Full=Cytochrome c553;
DE   AltName: Full=Cytochrome c-552;
DE   Flags: Precursor;
GN   Name=petJ;
OS   Chlamydomonas reinhardtii.
OC   Eukaryota; Viridiplantae; Chlorophyta; Chlorophyceae;
OC   Chlamydomonadales; Chlamydomonadaceae; Chlamydomonas.
OX   NCBI_TaxID=3055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   MEDLINE=87250547; PubMed=3036842;
RA   Merchant S., Bogorad L.;
RT   "The Cu(II)-repressible plastidic cytochrome c. Cloning and sequence
RT   of a complementary DNA for the pre-apoprotein.";
RL   J. Biol. Chem. 262:9062-9067(1987).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   MEDLINE=91332023; PubMed=1714451;
RA   Hill K.L., Li H.H., Singer J., Merchant S.;
RT   "Isolation and structural characterization of the Chlamydomonas
RT   reinhardtii gene for cytochrome c6. Analysis of the kinetics and metal
RT   specificity of its copper-responsive expression.";
RL   J. Biol. Chem. 266:15060-15067(1991).
RN   [3]
RP   X-RAY CRYSTALLOGRAPHY (1.9 ANGSTROMS).
RX   MEDLINE=95349073; PubMed=7623381; DOI=10.1006/jmbi.1995.0404;
RA   Kerfeld C.A., Anwar H.P., Interrante R., Merchant S., Yeates T.O.;
RT   "The structure of chloroplast cytochrome c6 at 1.9-A resolution:
RT   evidence for functional oligomerization.";
RL   J. Mol. Biol. 250:627-647(1995).
CC   -!- FUNCTION: Functions as an electron carrier between membrane-bound
CC       cytochrome b6-f and photosystem I in oxygenic photosynthesis.
CC   -!- SUBUNIT: Monomer.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid lumen.
CC   -!- PTM: Binds 1 heme group per subunit.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. PetJ subfamily.
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DR   EMBL; M67448; AAB00729.1; -; Genomic_DNA.
DR   EMBL; J02774; AAA33081.1; -; mRNA.
DR   PIR; A27113; CCKM6R.
DR   RefSeq; XP_001698242.1; -.
DR   UniGene; Cre.5921; -.
DR   PDB; 1CYI; X-ray; 1.90 A; A=59-148.
DR   PDB; 1CYJ; X-ray; 1.90 A; A=59-148.
DR   PDBsum; 1CYI; -.
DR   PDBsum; 1CYJ; -.
DR   GeneID; 5723799; -.
DR   KEGG; cre:CHLREDRAFT_193170; -.
DR   LinkHub; P08197; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-KW.
DR   GO; GO:0009579; C:thylakoid; IEA:UniProtKB-KW.
DR   GO; GO:0022900; P:electron transport chain; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   GO; GO:0006810; P:transport; IEA:UniProtKB-KW.
DR   InterPro; IPR009056; Cyt_c_monohaem.
DR   InterPro; IPR003088; Cyt_CI.
DR   InterPro; IPR008168; Cyt_CIC.
DR   Gene3D; G3DSA:1.10.760.10; Cytochrome_c_R; 1.
DR   Pfam; PF00034; Cytochrom_C; 1.
DR   PRINTS; PR00605; CYTCHROMECIC.
DR   PROSITE; PS51007; CYTC; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Electron transport; Heme; Iron;
KW   Metal-binding; Photosynthesis; Plastid; Thylakoid; Transit peptide;
KW   Transport.
FT   TRANSIT       1     58       Chloroplast.
FT   CHAIN        59    148       Cytochrome c6, chloroplastic.
FT                                /FTId=PRO_0000023850.
FT   METAL        76     76       Iron (heme axial ligand).
FT   METAL       118    118       Iron (heme axial ligand).
FT   BINDING      72     72       Heme (covalent).
FT   BINDING      75     75       Heme (covalent).
FT   CONFLICT    107    107       I -> S (in Ref. 1; AAA33081).
FT   HELIX        61     71
FT   HELIX        73     76
FT   HELIX        77     79
FT   STRAND       82     84
FT   HELIX        91     97
FT   HELIX       104    113
FT   TURN        122    124
FT   HELIX       127    143
SQ   SEQUENCE   148 AA;  15427 MW;  091567E642F457E8 CRC64;
     MLQLANRSVR AKAARASQSA RSVSCAAAKR GADVAPLTSA LAVTASILLT TGAASASAAD
     LALGAQVFNG NCAACHMGGR NSVMPEKTLD KAALEQYLDG GFKVESIIYQ VENGKGAMPA
     WADRLSEEEI QAVAEYVFKQ ATDAAWKY
//