>tr|A0A2S1NUV9|A0A2S1NUV9_9GENT Photosystem I iron-sulfur center OS=Asclepias michauxii GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY