>sp|Q7HKX2|PSAC_CALFG Photosystem I iron-sulfur center OS=Calycanthus floridus var. glaucus GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY