>tr|A0A2S1NNZ1|A0A2S1NNZ1_9GENT Photosystem I iron-sulfur center OS=Asclepias engelmanniana GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY