>7yca_C mol:protein length:81 Photosystem I iron-sulfur centerMSHAVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASAPRTEDCVGCKRCEAACPTDFLSVRVYLGSETTRSMGLAY