>tr|A0A2S1NQC8|A0A2S1NQC8_9GENT Photosystem I iron-sulfur center OS=Asclepias gentryi GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGAETTRSMGLAY