>tr|A0A221HNM5|A0A221HNM5_9ERIC Photosystem I iron-sulfur center OS=Polyspora axillaris GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY