>tr|A0A2S1NHH4|A0A2S1NHH4_9GENT Photosystem I iron-sulfur center OS=Asclepias nyctaginifolia GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY