>tr|A0A2P1CSC2|A0A2P1CSC2_9ROSI Photosystem I iron-sulfur center OS=Populus angustifolia GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY