ID   PLAS_THAOC              Reviewed;          38 AA.
AC   P84800;
DT   16-MAY-2006, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 33.
DE   RecName: Full=Plastocyanin;
DE   Flags: Fragments;
GN   Name=PETE;
OS   Thalassiosira oceanica (Marine diatom).
OC   Eukaryota; Sar; Stramenopiles; Ochrophyta; Bacillariophyta;
OC   Coscinodiscophyceae; Thalassiosirophycidae; Thalassiosirales;
OC   Thalassiosiraceae; Thalassiosira.
OX   NCBI_TaxID=159749;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, FUNCTION, AND SUBCELLULAR LOCATION.
RC   STRAIN=CCMP1005 / NEPCC610;
RX   PubMed=16572122; DOI=10.1038/nature04630;
RA   Peers G., Price N.M.;
RT   "Copper-containing plastocyanin used for electron transport by an oceanic
RT   diatom.";
RL   Nature 441:341-344(2006).
CC   -!- FUNCTION: Participates in electron transfer between P700 and the
CC       cytochrome b6-f complex in photosystem I.
CC       {ECO:0000269|PubMed:16572122}.
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:16572122}; 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   AlphaFoldDB; P84800; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Chloroplast; Copper; Direct protein sequencing; Electron transport;
KW   Membrane; Metal-binding; Plastid; Thylakoid; Transport.
FT   CHAIN           1..>38
FT                   /note="Plastocyanin"
FT                   /evidence="ECO:0000269|PubMed:16572122"
FT                   /id="PRO_0000234483"
FT   DOMAIN          1..>38
FT                   /note="Plastocyanin-like"
FT                   /evidence="ECO:0000255"
FT   BINDING         25
FT                   /ligand="Cu cation"
FT                   /ligand_id="ChEBI:CHEBI:23378"
FT                   /evidence="ECO:0000250|UniProtKB:P18068"
FT   NON_CONS        21..22
FT                   /evidence="ECO:0000303|PubMed:16572122"
FT   NON_TER         38
FT                   /evidence="ECO:0000303|PubMed:16572122"
SQ   SEQUENCE   38 AA;  3919 MW;  4CAA91436DC863A9 CRC64;
     AQTVEVKMGA DGGLLVFEPA KAGPHNVVFD EDNIPPGV