>4l6v_3 mol:protein length:81 Photosystem I iron-sulfur centerMSHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKAAQIASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY