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Database: UniProt
Entry: CY550_SYNS9
LinkDB: CY550_SYNS9
Original site: CY550_SYNS9 
ID   CY550_SYNS9             Reviewed;         170 AA.
AC   Q3AZH8;
DT   24-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   10-FEB-2021, entry version 95.
DE   RecName: Full=Cytochrome c-550 {ECO:0000255|HAMAP-Rule:MF_01378};
DE   AltName: Full=Cytochrome c550 {ECO:0000255|HAMAP-Rule:MF_01378};
DE   AltName: Full=Low-potential cytochrome c {ECO:0000255|HAMAP-Rule:MF_01378};
DE   Flags: Precursor;
GN   Name=psbV {ECO:0000255|HAMAP-Rule:MF_01378};
GN   OrderedLocusNames=Syncc9902_0531;
OS   Synechococcus sp. (strain CC9902).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=316279;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC9902;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Synechococcus sp. CC9902.";
RL   Submitted (AUG-2005) 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:0000255|HAMAP-Rule:MF_01378}.
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01378};
CC       Note=Binds 1 heme group covalently per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01378};
CC   -!- SUBUNIT: The cyanobacterial oxygen-evolving complex is composed of
CC       PsbO, PsbP, PsbQ, PsbV and PsbU. {ECO:0000255|HAMAP-Rule:MF_01378}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01378}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01378}; Lumenal side {ECO:0000255|HAMAP-Rule:MF_01378}.
CC       Note=Associated with photosystem II at the lumenal side of the
CC       thylakoid membrane. {ECO:0000255|HAMAP-Rule:MF_01378}.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. PsbV subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01378}.
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DR   EMBL; CP000097; ABB25499.1; -; Genomic_DNA.
DR   RefSeq; WP_011359346.1; NC_007513.1.
DR   SMR; Q3AZH8; -.
DR   STRING; 316279.Syncc9902_0531; -.
DR   EnsemblBacteria; ABB25499; ABB25499; Syncc9902_0531.
DR   KEGG; sye:Syncc9902_0531; -.
DR   eggNOG; COG2010; Bacteria.
DR   HOGENOM; CLU_104149_1_0_3; -.
DR   OMA; DYMKDPT; -.
DR   OrthoDB; 1553768at2; -.
DR   Proteomes; UP000002712; 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; Heme; Iron; Membrane; Metal-binding; Photosynthesis;
KW   Photosystem II; Reference proteome; Signal; Thylakoid; Transport.
FT   SIGNAL          1..33
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01378"
FT   CHAIN           34..170
FT                   /note="Cytochrome c-550"
FT                   /id="PRO_0000295603"
FT   METAL           74
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01378"
FT   METAL           137
FT                   /note="Iron (heme axial ligand)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01378"
FT   BINDING         70
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01378"
FT   BINDING         73
FT                   /note="Heme (covalent)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01378"
SQ   SEQUENCE   170 AA;  18378 MW;  4BD25E0763781DD2 CRC64;
     MVSVFSSLRQ SFKGLLVLVP VLIGLAFISP AEAVQWDAET LTVPVNPDGA EVTFTDREIN
     AGRKVFNTSC GTCHAGGITK TNQNVGLDPE TLALATPARD NVDALVDYMK DPTSYDGEYS
     ISDVHPSMRS AELYPAMRDL DDEDLRLMAG YILVSPKVQG SSWGGGKIYF
//
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