>tr|A0A3Q9U0T2|A0A3Q9U0T2_POPTO Photosystem I iron-sulfur center OS=Populus tomentosa GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY