>tr|A0A3S5HYI9|A0A3S5HYI9_POPAL Photosystem I iron-sulfur center OS=Populus alba GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY