ID B5IMK6_9CYAN Unreviewed; 177 AA.
AC B5IMK6;
DT 14-OCT-2008, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2008, sequence version 1.
DT 12-AUG-2020, entry version 54.
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:EDY38175.1};
GN ORFNames=CPCC7001_1054 {ECO:0000313|EMBL:EDY38175.1};
OS Cyanobium sp. PCC 7001.
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Cyanobium;
OC unclassified Cyanobium.
OX NCBI_TaxID=180281 {ECO:0000313|EMBL:EDY38175.1, ECO:0000313|Proteomes:UP000003950};
RN [1] {ECO:0000313|EMBL:EDY38175.1, ECO:0000313|Proteomes:UP000003950}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7001 {ECO:0000313|EMBL:EDY38175.1,
RC ECO:0000313|Proteomes:UP000003950};
RA Lily E., Ferriera S., Johnson J., Kravitz S., Beeson K., Sutton G.,
RA Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL Submitted (JUL-2008) 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; DS990556; EDY38175.1; -; Genomic_DNA.
DR RefSeq; WP_006910074.1; NZ_DS990556.1.
DR STRING; 180281.CPCC7001_1054; -.
DR EnsemblBacteria; EDY38175; EDY38175; CPCC7001_1054.
DR eggNOG; COG2010; Bacteria.
DR HOGENOM; CLU_104149_1_0_3; -.
DR OrthoDB; 1553768at2; -.
DR Proteomes; UP000003950; 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:UP000003950};
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 64..163
FT /note="Cytochrome c"
FT /evidence="ECO:0000259|PROSITE:PS51007"
FT METAL 81
FT /note="Iron (heme axial ligand)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT METAL 132
FT /note="Iron (heme axial ligand)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT BINDING 77
FT /note="Heme (covalent)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
FT BINDING 80
FT /note="Heme (covalent)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01378"
SQ SEQUENCE 177 AA; 18879 MW; 469442DFBBD4C0A4 CRC64;
MASTPSPSAL RRASRAVART LLALPLALLL CLGFGGEAIA AQWTAEQLTV PASPDGATVT
FTETEIKAGR KLFNSSCGEC HAGGITKTNQ NVGLDPETLA LATPARDNVE ALVDYMKDPT
SYDGEYSIAD IHPSMRSSDI FVKMRDLDDD DLRLMAGYIL VAPKAQGVQW GGGKIYF
//
