>tr|A0A481P6I5|A0A481P6I5_9ERIC Photosystem I iron-sulfur center OS=Pterostyrax psilophyllus GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY