>sp|P21697|PLAS_SYNY3 Plastocyanin OS=Synechocystis sp. GN=petE
MSKKFLTILAGLLLVVSSFFLSVSPAAAANATVKMGSDSGALVFEPSTVTIKAGEEVKWV
NNKLSPHNIVFAADGVDADTAAKLSHKGLAFAAGESFTSTFTEPGTYTYYCEPHRGAGMV
GKVVVE