>tr|A0A2P1CUU8|A0A2P1CUU8_9ROSI Photosystem I iron-sulfur center OS=Populus szechuanica GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY