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Database: UniProt
Entry: K9UIQ6_CHAP6
LinkDB: K9UIQ6_CHAP6
Original site: K9UIQ6_CHAP6 
ID   K9UIQ6_CHAP6            Unreviewed;       163 AA.
AC   K9UIQ6;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   02-DEC-2020, entry version 42.
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=Cha6605_3717 {ECO:0000313|EMBL:AFY94690.1};
OS   Chamaesiphon minutus (strain ATCC 27169 / PCC 6605).
OC   Bacteria; Cyanobacteria; Synechococcales; Chamaesiphonaceae; Chamaesiphon.
OX   NCBI_TaxID=1173020 {ECO:0000313|EMBL:AFY94690.1, ECO:0000313|Proteomes:UP000010366};
RN   [1] {ECO:0000313|EMBL:AFY94690.1, ECO:0000313|Proteomes:UP000010366}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27169 / PCC 6605 {ECO:0000313|Proteomes:UP000010366};
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., Chen A., Kyrpides N.,
RA   Mavromatis K., Markowitz V., Szeto E., Ivanova N., Pagani I., Pati A.,
RA   Goodwin L., Nordberg H.P., Cantor M.N., Hua S.X., Woyke T., Kerfeld C.A.;
RT   "Finished chromosome of genome of Chamaesiphon sp. PCC 6605.";
RL   Submitted (MAY-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; CP003600; AFY94690.1; -; Genomic_DNA.
DR   RefSeq; WP_015160811.1; NC_019697.1.
DR   STRING; 1173020.Cha6605_3717; -.
DR   EnsemblBacteria; AFY94690; AFY94690; Cha6605_3717.
DR   KEGG; cmp:Cha6605_3717; -.
DR   PATRIC; fig|1173020.3.peg.4261; -.
DR   eggNOG; COG2010; Bacteria.
DR   HOGENOM; CLU_104149_1_0_3; -.
DR   OMA; DYMKDPT; -.
DR   Proteomes; UP000010366; 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:UP000010366};
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_5009016542"
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;  17695 MW;  15F32035AB9F72DC CRC64;
     MFKRFLLLAV ATILFAFQTL VTSANAIELD AATRTVKLNP EGETVTLNLK QVNQGRKLFA
     STCAQCHAGG VTKTDFNVGL SPVDLAGATP ARDNIVALVD YMHHPTTYDG ETPIAELHPS
     MESADIFTEM KNLSEDNMYA IAGHILMQPK IMGEQWGGGK TVR
//
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