>tr|A0A0F6WW31|A0A0F6WW31_9ROSI Photosystem I iron-sulfur center OS=Populus cathayana GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY