ID   PLAS_MICAE              Reviewed;          15 AA.
AC   P10625;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   07-APR-2021, entry version 52.
DE   RecName: Full=Plastocyanin;
DE   Flags: Fragment;
GN   Name=petE;
OS   Microcystis aeruginosa.
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Microcystaceae; Microcystis.
OX   NCBI_TaxID=1126;
RN   [1]
RP   PROTEIN SEQUENCE, AND SUBCELLULAR LOCATION.
RX   PubMed=2537099; DOI=10.1016/s0005-2728(89)80410-4;
RA   Tan S., Ho K.-K.;
RT   "Purification of an acidic plastocyanin from Microcystis aeruginosa.";
RL   Biochim. Biophys. Acta 973:111-117(1989).
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, ECO:0000269|PubMed:2537099}; Peripheral membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00566}; Lumenal side {ECO:0000255|HAMAP-
CC       Rule:MF_00566}. Note=Loosely bound to the thylakoid inner membrane
CC       surface.
CC   -!- SIMILARITY: Belongs to the plastocyanin family. {ECO:0000255|HAMAP-
CC       Rule:MF_00566}.
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DR   PIR; S03353; S03353.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Copper; Direct protein sequencing; Electron transport; Membrane;
KW   Metal-binding; Thylakoid; Transport.
FT   CHAIN           1..>15
FT                   /note="Plastocyanin"
FT                   /id="PRO_0000085581"
FT   NON_TER         15
SQ   SEQUENCE   15 AA;  1555 MW;  32B6D4662F44F969 CRC64;
     ETFTVKMGGD AGTLQ