>tr|A0A2P1CUD3|A0A2P1CUD3_9ROSI Photosystem I iron-sulfur center OS=Populus pruinosa GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY