>tr|A0A2S1P298|A0A2S1P298_9GENT Photosystem I iron-sulfur center OS=Asclepias welshii GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY