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Database: UniProt
Entry: K9PB76_CYAGP
LinkDB: K9PB76_CYAGP
Original site: K9PB76_CYAGP 
ID   K9PB76_CYAGP            Unreviewed;       190 AA.
AC   K9PB76;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   02-DEC-2020, entry version 39.
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};
GN   Name=psbV {ECO:0000256|HAMAP-Rule:MF_01378};
GN   OrderedLocusNames=Cyagr_3133 {ECO:0000313|EMBL:AFY30213.1};
OS   Cyanobium gracile (strain ATCC 27147 / PCC 6307).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Cyanobium.
OX   NCBI_TaxID=292564 {ECO:0000313|EMBL:AFY30213.1, ECO:0000313|Proteomes:UP000010388};
RN   [1] {ECO:0000313|Proteomes:UP000010388}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27147 / PCC 6307 {ECO:0000313|Proteomes:UP000010388};
RX   PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA   Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA   Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA   Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA   Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT   "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT   genome sequencing.";
RL   Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
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; CP003495; AFY30213.1; -; Genomic_DNA.
DR   STRING; 292564.Cyagr_3133; -.
DR   EnsemblBacteria; AFY30213; AFY30213; Cyagr_3133.
DR   KEGG; cgc:Cyagr_3133; -.
DR   PATRIC; fig|292564.3.peg.2973; -.
DR   eggNOG; COG2010; Bacteria.
DR   HOGENOM; CLU_104149_1_0_3; -.
DR   OMA; DYMKDPT; -.
DR   BioCyc; CGRA292564:G1HCG-3045-MONOMER; -.
DR   Proteomes; UP000010388; 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:UP000010388};
KW   Signal {ECO:0000256|ARBA:ARBA00022729};
KW   Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_01378};
KW   Transport {ECO:0000256|HAMAP-Rule:MF_01378}.
FT   DOMAIN          77..176
FT                   /note="Cytochrome c"
FT                   /evidence="ECO:0000259|PROSITE:PS51007"
FT   METAL           94
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   METAL           145
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   BINDING         90
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT   BINDING         93
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
SQ   SEQUENCE   190 AA;  20298 MW;  56D6A5A44BD066A9 CRC64;
     MAPLLRSAAP LSAVRRTAVR RTAPLRAALR AVVGTLLILP LALLVCFAGP AAAAQWSAED
     LTVPVSPDGT LVTFSEKEVK TGRKLFNESC GTCHAGGITK TNQNVGLDPE TLALATPARD
     SVEALVDYMK DPTSYDGEYS IADVHPSLRS SDVFVKMRDL DDEDLRLIAG YILVAPKVQG
     VQWGGGKIYF
//
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