>tr|A0A2S1NGC4|A0A2S1NGC4_9GENT Photosystem I iron-sulfur center OS=Asclepias lanuginosa GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY