ID A0A1Z4NQC1_9CYAN Unreviewed; 139 AA.
AC A0A1Z4NQC1;
DT 27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2017, sequence version 1.
DT 24-JAN-2024, entry version 21.
DE RecName: Full=Plastocyanin {ECO:0000256|ARBA:ARBA00020130, ECO:0000256|HAMAP-Rule:MF_00566};
GN Name=petE {ECO:0000256|HAMAP-Rule:MF_00566};
GN ORFNames=NIES3974_45740 {ECO:0000313|EMBL:BAZ07908.1};
OS Calothrix sp. NIES-3974.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC Calothrix.
OX NCBI_TaxID=2005462 {ECO:0000313|EMBL:BAZ07908.1, ECO:0000313|Proteomes:UP000218621};
RN [1] {ECO:0000313|EMBL:BAZ07908.1, ECO:0000313|Proteomes:UP000218621}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-3974 {ECO:0000313|EMBL:BAZ07908.1,
RC ECO:0000313|Proteomes:UP000218621};
RA Hirose Y., Shimura Y., Fujisawa T., Nakamura Y., Kawachi M.;
RT "Genome sequencing of cyanobaciteial culture collection at National
RT Institute for Environmental Studies (NIES).";
RL Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Participates in electron transfer between P700 and the
CC cytochrome b6-f complex in photosystem I.
CC {ECO:0000256|ARBA:ARBA00002820, ECO:0000256|HAMAP-Rule:MF_00566}.
CC -!- COFACTOR:
CC Name=Cu(2+); Xref=ChEBI:CHEBI:29036;
CC Evidence={ECO:0000256|PIRSR:PIRSR602387-1};
CC Note=The crystal structure with reduced Cu(1+) has also been
CC determined. {ECO:0000256|PIRSR:PIRSR602387-1};
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane
CC {ECO:0000256|ARBA:ARBA00004526, ECO:0000256|HAMAP-Rule:MF_00566};
CC Peripheral membrane protein {ECO:0000256|ARBA:ARBA00004526,
CC ECO:0000256|HAMAP-Rule:MF_00566}; Lumenal side
CC {ECO:0000256|ARBA:ARBA00004526, ECO:0000256|HAMAP-Rule:MF_00566}.
CC -!- SIMILARITY: Belongs to the plastocyanin family.
CC {ECO:0000256|ARBA:ARBA00005338, ECO:0000256|HAMAP-Rule:MF_00566}.
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DR EMBL; AP018254; BAZ07908.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Z4NQC1; -.
DR OrthoDB; 680163at2; -.
DR Proteomes; UP000218621; Chromosome.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005507; F:copper ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR CDD; cd04219; Plastocyanin; 1.
DR Gene3D; 2.60.40.420; Cupredoxins - blue copper proteins; 1.
DR HAMAP; MF_00566; Cytb6_f_plastocyanin; 1.
DR InterPro; IPR000923; BlueCu_1.
DR InterPro; IPR028871; BlueCu_1_BS.
DR InterPro; IPR001235; Copper_blue_Plastocyanin.
DR InterPro; IPR008972; Cupredoxin.
DR InterPro; IPR002387; Plastocyanin.
DR InterPro; IPR023511; Plastocyanin_cyanobac.
DR NCBIfam; TIGR02656; cyanin_plasto; 1.
DR PANTHER; PTHR34192; PLASTOCYANIN MAJOR ISOFORM, CHLOROPLASTIC-RELATED; 1.
DR PANTHER; PTHR34192:SF10; PLASTOCYANIN MAJOR ISOFORM, CHLOROPLASTIC-RELATED; 1.
DR Pfam; PF00127; Copper-bind; 1.
DR PRINTS; PR00156; COPPERBLUE.
DR PRINTS; PR00157; PLASTOCYANIN.
DR SUPFAM; SSF49503; Cupredoxins; 1.
DR PROSITE; PS00196; COPPER_BLUE; 1.
PE 3: Inferred from homology;
KW Copper {ECO:0000256|ARBA:ARBA00023008, ECO:0000256|HAMAP-Rule:MF_00566};
KW Electron transport {ECO:0000256|ARBA:ARBA00022982, ECO:0000256|HAMAP-
KW Rule:MF_00566};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00566};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00566}; Reference proteome {ECO:0000313|Proteomes:UP000218621};
KW Signal {ECO:0000256|HAMAP-Rule:MF_00566};
KW Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00566};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_00566}.
FT DOMAIN 38..138
FT /note="Blue (type 1) copper"
FT /evidence="ECO:0000259|Pfam:PF00127"
FT BINDING 73
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00566,
FT ECO:0000256|PIRSR:PIRSR602387-1"
FT BINDING 123
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00566,
FT ECO:0000256|PIRSR:PIRSR602387-1"
FT BINDING 126
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00566,
FT ECO:0000256|PIRSR:PIRSR602387-1"
FT BINDING 131
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00566,
FT ECO:0000256|PIRSR:PIRSR602387-1"
SQ SEQUENCE 139 AA; 14832 MW; 8CF61F5B1909C130 CRC64;
MKAIAEQIRR IGLLVVTLVL VAGTLAIFAP TAAAETYTVK LGSDKGMLAF EPAKISIKPG
DTIKWENNKL PPHNIVFDSV KNPAKSADLA KALSHKQLMM NPGQALETTF PADAPAGEYT
FYCEPHRGAG MVGKVIVEG
//
