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PLAS_SAMNI
ID   PLAS_SAMNI              Reviewed;          99 AA.
AC   P00291;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Plastocyanin;
GN   Name=PETE;
OS   Sambucus nigra (European elder).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Dipsacales; Adoxaceae; Sambucus.
OX   NCBI_TaxID=4202;
RN   [1]
RP   PROTEIN SEQUENCE, AND SUBCELLULAR LOCATION.
RX   PubMed=4854645; DOI=10.1111/j.1432-1033.1974.tb03486.x;
RA   Scawen M.D., Ramshaw J.A.M., Brown R.H., Boulter D.;
RT   "The amino-acid sequence of plastocyanin from Sambucus nigra L. (Elder).";
RL   Eur. J. Biochem. 44:299-303(1974).
CC   -!- FUNCTION: Participates in electron transfer between P700 and the
CC       cytochrome b6-f complex in photosystem I.
CC       {ECO:0000250|UniProtKB:P18068}.
CC   -!- COFACTOR:
CC       Name=Cu(2+); Xref=ChEBI:CHEBI:29036;
CC         Evidence={ECO:0000250|UniProtKB:P18068};
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000269|PubMed:4854645}; Peripheral membrane protein
CC       {ECO:0000250|UniProtKB:P18068}; Lumenal side
CC       {ECO:0000250|UniProtKB:P18068}. Note=Loosely bound to the inner
CC       thylakoid membrane surface in chloroplasts (By similarity).
CC   -!- SIMILARITY: Belongs to the plastocyanin family. {ECO:0000305}.
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DR   PIR; A00301; CUED.
DR   AlphaFoldDB; P00291; -.
DR   SMR; P00291; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0005507; F:copper ion binding; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   CDD; cd04219; Plastocyanin; 1.
DR   Gene3D; 2.60.40.420; -; 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   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   1: Evidence at protein level;
KW   Chloroplast; Copper; Direct protein sequencing; Electron transport;
KW   Membrane; Metal-binding; Plastid; Thylakoid; Transport.
FT   CHAIN           1..99
FT                   /note="Plastocyanin"
FT                   /id="PRO_0000085573"
FT   DOMAIN          1..99
FT                   /note="Plastocyanin-like"
FT   BINDING         37
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250|UniProtKB:P18068"
FT   BINDING         84
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250|UniProtKB:P18068"
FT   BINDING         87
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250|UniProtKB:P18068"
FT   BINDING         92
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250|UniProtKB:P18068"
FT   VARIANT         15
FT                   /note="I -> V (in 40% of the molecules)"
FT   VARIANT         17
FT                   /note="S -> G (in 50% of the molecules)"
SQ   SEQUENCE   99 AA;  10461 MW;  61BEDBC49D964C26 CRC64;
     VEILLGGEDG SLAFIPSNFS VPSGEKITFK NNAGFPHNVV FDEDEVPSGV DSAKISMSED
     DLLNAPGETY SVTLTESGTY KFYCSPHQGA GMVGKVTVN
 
 
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