>tr|A0A059P2Q3|A0A059P2Q3_9GENT Photosystem I iron-sulfur center OS=Asclepias coulteri GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY