>tr|A0A6G6D8Y3|A0A6G6D8Y3_9POAL Photosystem I iron-sulfur center OS=Aristida congesta GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGPETTRSMALSY