>tr|A0A7G6KLD4|A0A7G6KLD4_9POAL Photosystem I iron-sulfur center OS=Calamagrostis pickeringii GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGPETTRSMALSY