>tr|A0A2S1NQK4|A0A2S1NQK4_9GENT Photosystem I iron-sulfur center OS=Asclepias glaucescens GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY