ID   PLAS_NOSP7              Reviewed;         139 AA.
AC   B2IVD7;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Plastocyanin {ECO:0000255|HAMAP-Rule:MF_00566};
DE   Flags: Precursor;
GN   Name=petE {ECO:0000255|HAMAP-Rule:MF_00566}; OrderedLocusNames=Npun_R2789;
OS   Nostoc punctiforme (strain ATCC 29133 / PCC 73102).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=63737;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29133 / PCC 73102;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Meeks J.C., Elhai J.,
RA   Campbell E.L., Thiel T., Longmire J., Potts M., Atlas R.;
RT   "Complete sequence of chromosome of Nostoc punctiforme ATCC 29133.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Participates in electron transfer between P700 and the
CC       cytochrome b6-f complex in photosystem I. {ECO:0000255|HAMAP-
CC       Rule:MF_00566}.
CC   -!- COFACTOR:
CC       Name=Cu(2+); Xref=ChEBI:CHEBI:29036;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00566};
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00566}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00566}; Lumenal side {ECO:0000255|HAMAP-Rule:MF_00566}.
CC       Note=Loosely bound to the thylakoid inner membrane surface.
CC   -!- SIMILARITY: Belongs to the plastocyanin family. {ECO:0000255|HAMAP-
CC       Rule:MF_00566}.
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DR   EMBL; CP001037; ACC81322.1; -; Genomic_DNA.
DR   RefSeq; WP_012409315.1; NC_010628.1.
DR   AlphaFoldDB; B2IVD7; -.
DR   SMR; B2IVD7; -.
DR   STRING; 63737.Npun_R2789; -.
DR   EnsemblBacteria; ACC81322; ACC81322; Npun_R2789.
DR   KEGG; npu:Npun_R2789; -.
DR   eggNOG; COG3794; Bacteria.
DR   HOGENOM; CLU_084115_0_1_3; -.
DR   OMA; YDYYCEP; -.
DR   OrthoDB; 1654242at2; -.
DR   PhylomeDB; B2IVD7; -.
DR   Proteomes; UP000001191; 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; -; 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   Pfam; PF00127; Copper-bind; 1.
DR   PRINTS; PR00156; COPPERBLUE.
DR   PRINTS; PR00157; PLASTOCYANIN.
DR   SUPFAM; SSF49503; SSF49503; 1.
DR   TIGRFAMs; TIGR02656; cyanin_plasto; 1.
DR   PROSITE; PS00196; COPPER_BLUE; 1.
PE   3: Inferred from homology;
KW   Copper; Electron transport; Membrane; Metal-binding; Reference proteome;
KW   Signal; Thylakoid; Transport.
FT   SIGNAL          1..34
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
FT   CHAIN           35..139
FT                   /note="Plastocyanin"
FT                   /id="PRO_1000129406"
FT   DOMAIN          35..139
FT                   /note="Plastocyanin-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
FT   BINDING         73
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
FT   BINDING         123
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
FT   BINDING         126
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
FT   BINDING         131
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00566"
SQ   SEQUENCE   139 AA;  14923 MW;  8DC38160AC3AC623 CRC64;
     MKLISASLRR FSLAVLTILL VVSSFAVFTP SASAETYQVK LGTDKGLLAF EPKKLTIKPG
     DTIEWVNNKV PPHNVVFDPA KNPSKNADLA KSLSHKKLLM SAGQKETTTF AADAPAGDYT
     FYCEPHRGAG MVGTITVQG