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