>tr|A0A2S1P0P4|A0A2S1P0P4_ASCTU Photosystem I iron-sulfur center OS=Asclepias tuberosa subsp. rolfsii GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY