>tr|A0A3T0QDX2|A0A3T0QDX2_9ROSI Photosystem I iron-sulfur center OS=Populus kangdingensis GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY