>tr|A0A2U9NSM8|A0A2U9NSM8_9STRA Photosystem I iron-sulfur center OS=Biddulphia biddulphiana GN=psaC MSHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKSGQIASSPRVEDCVGCKRCETACPT DFLSVRVYLGAETTRSLGLAY