>tr|A0A2S1NZJ9|A0A2S1NZJ9_9GENT Photosystem I iron-sulfur center OS=Asclepias speciosa GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY