>tr|A0A6M4B2T2|A0A6M4B2T2_9ROSI Photosystem I iron-sulfur center OS=Populus pamirica GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY