>tr|A0A2S1NRW4|A0A2S1NRW4_9GENT Photosystem I iron-sulfur center OS=Asclepias involucrata GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY