>tr|A0A2S1P2R9|A0A2S1P2R9_9GENT Photosystem I iron-sulfur center OS=Asclepias zanthodacryon GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY