>tr|A0A7D7PW49|A0A7D7PW49_9ERIC Photosystem I iron-sulfur center OS=Polemonium chinense GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY