ID A0A0M4SQY6_9NOSO Unreviewed; 114 AA.
AC A0A0M4SQY6;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 27-MAR-2024, entry version 31.
DE RecName: Full=Cytochrome c6 {ECO:0000256|HAMAP-Rule:MF_00594};
DE AltName: Full=Cytochrome c-553 {ECO:0000256|HAMAP-Rule:MF_00594};
DE AltName: Full=Cytochrome c553 {ECO:0000256|HAMAP-Rule:MF_00594};
DE AltName: Full=Soluble cytochrome f {ECO:0000256|HAMAP-Rule:MF_00594};
DE Flags: Precursor;
GN Name=petJ {ECO:0000256|HAMAP-Rule:MF_00594};
GN ORFNames=ACX27_30135 {ECO:0000313|EMBL:ALF56148.1};
OS Nostoc piscinale CENA21.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Nostoc.
OX NCBI_TaxID=224013 {ECO:0000313|EMBL:ALF56148.1, ECO:0000313|Proteomes:UP000062645};
RN [1] {ECO:0000313|Proteomes:UP000062645}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CENA21 {ECO:0000313|Proteomes:UP000062645};
RA Leao T.F., Leao P.N., Guimaraes P.I., de Melo A.G.C., Ramos R.T.J.,
RA Silva A., Fiore M.F., Schneider M.P.C.;
RT "Genome Of Nitrogen-Fixing Cyanobacterium Nostoc piscinale CENA21 From
RT Solimoes/Amazon River Floodplain Sediments And Comparative Genomics To
RT Uncover Biosynthetic Natural Products Potential.";
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ALF56148.1, ECO:0000313|Proteomes:UP000062645}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CENA21 {ECO:0000313|EMBL:ALF56148.1,
RC ECO:0000313|Proteomes:UP000062645};
RX PubMed=27034496;
RA Leao T., Guimaraes P.I., de Melo A.G., Ramos R.T., Leao P.N., Silva A.,
RA Fiore M.F., Schneider M.P.;
RT "Draft Genome Sequence of the N2-Fixing Cyanobacterium Nostoc piscinale
RT CENA21, Isolated from the Brazilian Amazon Floodplain.";
RL Genome Announc. 4:0-0(2016).
CC -!- FUNCTION: Functions as an electron carrier between membrane-bound
CC cytochrome b6-f and photosystem I in oxygenic photosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_00594}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_00594}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid lumen
CC {ECO:0000256|ARBA:ARBA00004518, ECO:0000256|HAMAP-Rule:MF_00594}.
CC -!- PTM: Binds 1 heme c group per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00594}.
CC -!- SIMILARITY: Belongs to the cytochrome c family. PetJ subfamily.
CC {ECO:0000256|ARBA:ARBA00009650, ECO:0000256|HAMAP-Rule:MF_00594}.
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DR EMBL; CP012036; ALF56148.1; -; Genomic_DNA.
DR RefSeq; WP_062297964.1; NZ_CP012036.1.
DR AlphaFoldDB; A0A0M4SQY6; -.
DR STRING; 224013.ACX27_30135; -.
DR PATRIC; fig|224013.5.peg.7192; -.
DR OrthoDB; 5570429at2; -.
DR Proteomes; UP000062645; Chromosome.
DR GO; GO:0031979; C:plasma membrane-derived thylakoid lumen; IEA:UniProtKB-SubCell.
DR GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.760.10; Cytochrome c-like domain; 1.
DR HAMAP; MF_00594; Cytc_PetJ; 1.
DR InterPro; IPR009056; Cyt_c-like_dom.
DR InterPro; IPR036909; Cyt_c-like_dom_sf.
DR InterPro; IPR023655; Cyt_C6.
DR InterPro; IPR008168; Cyt_C_IC.
DR PANTHER; PTHR34688:SF4; CYTOCHROME C-553; 1.
DR PANTHER; PTHR34688; CYTOCHROME C6, CHLOROPLASTIC; 1.
DR Pfam; PF13442; Cytochrome_CBB3; 1.
DR PRINTS; PR00605; CYTCHROMECIC.
DR SUPFAM; SSF46626; Cytochrome c; 1.
DR PROSITE; PS51007; CYTC; 1.
PE 3: Inferred from homology;
KW Electron transport {ECO:0000256|HAMAP-Rule:MF_00594};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|HAMAP-Rule:MF_00594};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_00594};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00594}; Photosynthesis {ECO:0000256|HAMAP-Rule:MF_00594};
KW Signal {ECO:0000256|HAMAP-Rule:MF_00594};
KW Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00594};
KW Transport {ECO:0000256|HAMAP-Rule:MF_00594}.
FT SIGNAL 1..25
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
FT CHAIN 26..114
FT /note="Cytochrome c6"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
FT /id="PRO_5008991978"
FT DOMAIN 26..110
FT /note="Cytochrome c"
FT /evidence="ECO:0000259|PROSITE:PS51007"
FT BINDING 39
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
FT BINDING 42
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
FT BINDING 43
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
FT BINDING 87
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00594"
SQ SEQUENCE 114 AA; 12532 MW; 483206F9A516E146 CRC64;
MRRLLLILFL AIALFQLTFT YPALAAETSN GAKIFSANCA SCHIGGGNIL VAEKTLNKEA
LSKYLADYNT DSLQAIIHQV QNGKNAMPPF KNKLTPEEIL DVAAYVFQKA EQGW
//
