>tr|A0A2S1NGS6|A0A2S1NGS6_9GENT Photosystem I iron-sulfur center OS=Asclepias longifolia GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY