>tr|A0A6J4B1J3|A0A6J4B1J3_9STRA Photosystem I iron-sulfur center OS=Chaetoceros gracilis GN=psaC MSHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKSGQIASSPRVEDCVGCKRCETACPT DFLSVRVYLGAETTRSLGLAY