>tr|A0A7Z6M9M9|A0A7Z6M9M9_9CYAN Photosystem I iron-sulfur center OS=Prochlorococcus sp. MED-G73 GN=psaC MSHAVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKASQIASSPRTEDCVGCKRCETACPT DFLSIRVYLGDETTRSMGLAY