>tr|A0A6N0GQ08|A0A6N0GQ08_9CARY Photosystem I iron-sulfur center OS=Rheum acuminatum GN=psaC MSHSVKIYDTCIGCTQCVRACPTDVLEMIPWDGCKAKQIASAPRTEDCVGCKRCESACPT DFLSVRVYLWHETTRSMGLAY