>tr|A0A2S1NR74|A0A2S1NR74_9GENT Photosystem I iron-sulfur center OS=Asclepias hypoleuca GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY