>tr|A0A2S1NNJ7|A0A2S1NNJ7_9GENT Photosystem I iron-sulfur center OS=Asclepias cryptoceras subsp. davisii GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY