>6kif_N mol:protein length:81 Photosystem I iron-sulfur centerMSHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKAGQIAASPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY