READ THIS FIRST BEFORE OPENING PRODUCT For research use only. This product and/or its use falls within the scope of the claims of U.S. Patent No. 5,670,356, and pending and allowed claims of U.S. Patent Application Nos. 11/825,304, 11/786,785, 11/316,042, 10/943,508, 09/645,706 and their corresponding foreign patent applications assigned to Promega Corporation, and the scope of the claims of U.S. Patent Nos. 5,583,024, 5,674,713, and 5,700,673 assigned to the Regents of the University of California and licensed exclusively for certain fields of use by Promega Corporation. The terms of the limited use license conveyed with the purchase and/or transfer of this product are as follows: Researchers may use this product in their own research and they may transfer derivatives to others for such research use provided that at the time of transfer a copy of this limited use statement is given to the recipients and the recipients agree to be bound by the conditions of this limited use license. Researchers shall have no right to modify or otherwise create variations of the nucleotide sequence of the luciferase gene of this product except that Researchers may: (1) clone heterologous DNA sequences at either or both ends of said luciferase gene so as to create fused gene sequences provided that the coding sequence of the resulting luciferase gene has no more than four deoxynucleotides missing at the affected terminus when compared to the intact luciferase gene sequence, and (2) insert and remove nucleic acid sequences in furtherance of splicing research predicated on the inactivation or reconstitution of the luminescent activity of the encoded luciferase. In addition, Researchers must do one of the following: (1) use luminescent assay reagents purchased from Promega Corporation for all determinations of luminescence activity resulting from the research use of this product and its derivatives; or, (2) contact Promega to obtain a license for the use of this product and its derivatives. No other use or transfer of this product or its derivatives is authorized without the express written consent of Promega including, without limitation, Commercial Use. Commercial Use means any and all uses of this product and derivatives by a party for monetary or other consideration and may include, but is not limited to use in: (1) product manufacture; and (2) to provide a service, information or data; and/or resale of the product or its derivatives, whether or not such product or derivatives are resold for use in research. With respect to such Commercial Use, or any diagnostic, therapeutic or prophylactic uses, please contact Promega for supply and licensing information. By opening and using this product, the purchaser agrees to be bound by the conditions of this limited use statement.