>tr|A0A2S1NDN6|A0A2S1NDN6_9GENT Photosystem I iron-sulfur center OS=Asclepias alticola GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY