>sp|P21697|PLAS_SYNY3 Plastocyanin OS=Synechocystis sp. (strain PCC 6803 / Kazusa) OX=1111708 GN=petE PE=1 SV=1
MSKKFLTILAGLLLVVSSFFLSVSPAAAANATVKMGSDSGALVFEPSTVTIKAGEEVKWV
NNKLSPHNIVFAADGVDADTAAKLSHKGLAFAAGESFTSTFTEPGTYTYYCEPHRGAGMV
GKVVVE