>7f4v_aC mol:protein length:81 Photosystem I iron-sulfur centerMSHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGNKAGTIASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY