Plastocyanin, chloroplastic Participates in electron transfer between P700 and the cytochrome b6-f complex in photosystem I. 168 MATVASSAAVAVPSFTGLKASGSIKPTTAKIIPTTTAVPRLSVKASLKNVGAAVVATAAAGLLAGNAMAVEVLLGGGDGSLAFLPGDFSVASGEEIVFKNNAGFPHNVVFDEDEIPSGVDAAKISMSEEDLLNAPGETYKVTLTEKGTYKFYCSPHQGAGMVGKVTVN PETE PLAS_SPIOL