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Database: UniProt
Entry: A0A0C1RBQ0_9CYAN
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ID   A0A0C1RBQ0_9CYAN        Unreviewed;       163 AA.
AC   A0A0C1RBQ0;
DT   01-APR-2015, integrated into UniProtKB/TrEMBL.
DT   01-APR-2015, sequence version 1.
DT   07-OCT-2020, entry version 28.
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   ECO:0000313|EMBL:KIE13023.1};
GN   ORFNames=DA73_0206200 {ECO:0000313|EMBL:KIE13023.1};
OS   Tolypothrix bouteillei VB521301.
OC   Bacteria; Cyanobacteria; Nostocales; Tolypothrichaceae; Tolypothrix.
OX   NCBI_TaxID=1479485 {ECO:0000313|EMBL:KIE13023.1, ECO:0000313|Proteomes:UP000029738};
RN   [1] {ECO:0000313|Proteomes:UP000029738}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=VB521301 {ECO:0000313|Proteomes:UP000029738};
RA   Tripathy S.;
RL   Submitted (NOV-2014) 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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:KIE13023.1}.
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DR   EMBL; JHEG02000019; KIE13023.1; -; Genomic_DNA.
DR   RefSeq; WP_038085367.1; NZ_JHEG04000001.1.
DR   EnsemblBacteria; KIE13023; KIE13023; DA73_0206200.
DR   OrthoDB; 1553768at2; -.
DR   Proteomes; UP000029738; Unassembled WGS sequence.
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:UP000029738};
KW   Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_01378};
KW   Transport {ECO:0000256|HAMAP-Rule:MF_01378}.
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;  17737 MW;  061FCE66CD08EB5A CRC64;
     MLRRVIGILA ATVLLTFQFI VGDASAVELD AATRTVKLNE QGESVVLSLQ QVKSGKSLFQ
     YACAQCHVGG VTKTNQNVGL EPETLAGATP PRDNIEALVD YMKNPTTYDG EEEISELHPS
     TKSADIFTEM RNLKDDDLVD IAGHILLQPK VIGSRWGGGK IYY
//
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