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Database: UniProt
Entry: K9PDX1_9CYAN
LinkDB: K9PDX1_9CYAN
Original site: K9PDX1_9CYAN 
ID   K9PDX1_9CYAN            Unreviewed;       163 AA.
AC   K9PDX1;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   02-DEC-2020, entry version 40.
DE   RecName: Full=Cytochrome c-550 {ECO:0000256|HAMAP-Rule:MF_01378};
DE   AltName: Full=Cytochrome c550 {ECO:0000256|HAMAP-Rule:MF_01378};
DE   AltName: Full=Low-potential cytochrome c {ECO:0000256|HAMAP-Rule:MF_01378};
DE   Flags: Precursor;
GN   Name=psbV {ECO:0000256|HAMAP-Rule:MF_01378};
GN   ORFNames=Cal7507_0253 {ECO:0000313|EMBL:AFY30752.1};
OS   Calothrix sp. PCC 7507.
OC   Bacteria; Cyanobacteria; Nostocales; Calotrichaceae; Calothrix;
OC   unclassified Calothrix.
OX   NCBI_TaxID=99598 {ECO:0000313|EMBL:AFY30752.1, ECO:0000313|Proteomes:UP000010390};
RN   [1] {ECO:0000313|EMBL:AFY30752.1, ECO:0000313|Proteomes:UP000010390}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7507 {ECO:0000313|EMBL:AFY30752.1,
RC   ECO:0000313|Proteomes:UP000010390};
RG   US DOE Joint Genome Institute;
RA   Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA   Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Teshima H., Chen A.,
RA   Krypides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA   Ovchinnikova G., Pagani I., Pati A., Goodwin L., Peters L., Pitluck S.,
RA   Woyke T., Kerfeld C.;
RT   "Finished genome of Calothrix sp. PCC 7507.";
RL   Submitted (APR-2012) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Low-potential cytochrome c that plays a role in the oxygen-
CC       evolving complex of photosystem II. {ECO:0000256|HAMAP-Rule:MF_01378}.
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01378};
CC       Note=Binds 1 heme group covalently per subunit. {ECO:0000256|HAMAP-
CC       Rule:MF_01378};
CC   -!- SUBUNIT: The cyanobacterial oxygen-evolving complex is composed of
CC       PsbO, PsbP, PsbQ, PsbV and PsbU. {ECO:0000256|HAMAP-Rule:MF_01378}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000256|HAMAP-
CC       Rule:MF_01378}; Peripheral membrane protein {ECO:0000256|HAMAP-
CC       Rule:MF_01378}; Lumenal side {ECO:0000256|HAMAP-Rule:MF_01378}.
CC       Note=Associated with photosystem II at the lumenal side of the
CC       thylakoid membrane. {ECO:0000256|HAMAP-Rule:MF_01378}.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. PsbV subfamily.
CC       {ECO:0000256|ARBA:ARBA00010433, ECO:0000256|HAMAP-Rule:MF_01378}.
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DR   EMBL; CP003943; AFY30752.1; -; Genomic_DNA.
DR   RefSeq; WP_015126580.1; NC_019682.1.
DR   STRING; 99598.Cal7507_0253; -.
DR   EnsemblBacteria; AFY30752; AFY30752; Cal7507_0253.
DR   KEGG; calo:Cal7507_0253; -.
DR   PATRIC; fig|99598.3.peg.280; -.
DR   eggNOG; COG2010; Bacteria.
DR   HOGENOM; CLU_104149_1_0_3; -.
DR   OrthoDB; 1553768at2; -.
DR   BioCyc; CSP99598:G1HCH-249-MONOMER; -.
DR   Proteomes; UP000010390; Chromosome.
DR   GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0042651; C:thylakoid membrane; 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:0018063; P:cytochrome c-heme linkage; IEA:UniProtKB-UniRule.
DR   GO; GO:0019684; P:photosynthesis, light reaction; IEA:UniProtKB-UniRule.
DR   GO; GO:0022904; P:respiratory electron transport chain; IEA:InterPro.
DR   Gene3D; 1.10.760.10; -; 1.
DR   HAMAP; MF_01378; PSII_Cyt550; 1.
DR   InterPro; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   InterPro; IPR029490; Cytochrom_C550.
DR   InterPro; IPR016003; PSII_cyt_c550.
DR   InterPro; IPR017851; PSII_PsbV_cyt_c550.
DR   Pfam; PF14495; Cytochrom_C550; 1.
DR   PIRSF; PIRSF005890; Phot_II_cyt_c550; 1.
DR   SUPFAM; SSF46626; SSF46626; 1.
DR   TIGRFAMs; TIGR03045; PS_II_C550; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   3: Inferred from homology;
KW   Electron transport {ECO:0000256|HAMAP-Rule:MF_01378};
KW   Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|HAMAP-Rule:MF_01378,
KW   ECO:0000256|PROSITE-ProRule:PRU00433};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01378,
KW   ECO:0000256|PROSITE-ProRule:PRU00433};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_01378};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01378, ECO:0000256|PROSITE-ProRule:PRU00433};
KW   Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP-
KW   Rule:MF_01378};
KW   Photosystem II {ECO:0000256|ARBA:ARBA00023276, ECO:0000256|HAMAP-
KW   Rule:MF_01378}; Reference proteome {ECO:0000313|Proteomes:UP000010390};
KW   Signal {ECO:0000256|HAMAP-Rule:MF_01378};
KW   Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_01378};
KW   Transport {ECO:0000256|HAMAP-Rule:MF_01378}.
FT   SIGNAL          1..26
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   CHAIN           27..163
FT                   /note="Cytochrome c-550"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT                   /id="PRO_5009016507"
FT   DOMAIN          50..149
FT                   /note="Cytochrome c"
FT                   /evidence="ECO:0000259|PROSITE:PS51007"
FT   METAL           67
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   METAL           118
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   BINDING         63
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   BINDING         66
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
SQ   SEQUENCE   163 AA;  17587 MW;  318ED04D52850FBC CRC64;
     MVRKIIGVVL ATVLLAFQFL VGNATAVELN SATRTVALNN QGDTVVLNLK QIKEGKRLFN
     YACSQCHAGG VTKTNQNVGL ESASLALATP NRNNIQGLVD YMKNPTTYDG EEEISELHPS
     IKSADIFVGM RNLTNDDLVA VAGHILLQPK VVGNKWGGGK IYY
//
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