>tr|A0A3T0QF87|A0A3T0QF87_POPCA Photosystem I iron-sulfur center OS=Populus canadensis GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY