>tr|A0A059P4Y1|A0A059P4Y1_9GENT Photosystem I iron-sulfur center OS=Asclepias subulata GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY