>tr|A0A2S1NIU1|A0A2S1NIU1_9GENT Photosystem I iron-sulfur center OS=Asclepias stenophylla GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY