>tr|A0A2S1NXS2|A0A2S1NXS2_9GENT Photosystem I iron-sulfur center OS=Asclepias quinquedentata GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY