>tr|A0A218LPM0|A0A218LPM0_9POAL Photosystem I iron-sulfur center OS=Elymus cognatus GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLGPETTRSMALSY