Abstract: The invention provides isolated agents having novel chemical structures and possessing superior activity as derepressors of IAP inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The invention further provides assay methods employing labeled compounds of the invention, especially fluorescent labeled compounds.

Abstract: The invention provides isolated agents having a core peptide selected from the group consisting of Core peptides 5 through 39 and 42 through 55, wherein the agent derepresses an IAP-inhibited caspase. Also provided is an isolated agent having a core structure selected from any of the structures shown in FIGS. 5, 9, 10, 14B, 21-24 and 48, a core structure selected from the group of TPI 759, TPI 882, TPI 914 or TPI 927; and a core structure from a library selected from TPI 1391, TPI 1349, TPI 1396, TPI 1509, TPI 1540, TPI 1400, TPI 792, TPI 1332, TPI 1567, TPI 1576 and TPI 1577, wherein the agent derepresses an IAP-inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase.

Abstract: The invention provides isolated agents having novel chemical structures and possessing superior activity as derepressors of IAP inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The invention further provides assay methods employing labeled compounds of the invention, especially fluorescent labeled compounds.

Abstract: The invention provides isolated agents having a core peptide selected from the group consisting of Core peptides 5 through 39 and 42 through 55, wherein the agent derepresses an IAP-inhibited caspase. Also provided is an isolated agent having a core structure selected from any of the structures shown in FIGS. 5, 9, 10, 14B, and 21-24 wherein said agent derepresses an IAP-inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The method consists of contacting an IAP-inhibited caspase with an effective amount of an agent to derepress an IAP-inhibited caspase, the agent having a core motif selected from the group consisting of a core peptide having a sequence set forth in any of Core peptides 4 through 39 and 42 through 55, and a core structure selected from the group consisting of TPI759, TPI882, TPI914 or TPI927.

Abstract: The invention provides isolated agents having a core peptide selected from the group consisting of Core peptides 5 through 39 and 42 through 55, wherein the agent derepresses an IAP-inhibited caspase. Also provided is an isolated agent having a core structure selected from any of the structures shown in FIGS. 5, 9, 10, 14B, and 21-24 wherein said agent derepresses an IAP-inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The method consists of contacting an IAP-inhibited caspase with an effective amount of an agent to derepress an IAP-inhibited caspase, the agent having a core motif selected from the group consisting of a core peptide having a sequence set forth in any of Core peptides 4 through 39 and 42 through 55, and a core structure selected from the group consisting of TPI759, TPI882, TPI914 or TPI927.

Abstract: The invention provides isolated agents having a core peptide selected from the group consisting of Core peptides 5 through 39 and 42 through 55, wherein the agent derepresses an IAP-inhibited caspase. Also provided is an isolated agent having a core structure selected from any of the structures shown in FIGS. 5, 9, 10, 14B, and 21-24, a core structure selected from the group of TPI 759, TPI 882, TPI 914 or TPI 927; and a core structure from a library selected from TPI 1391, TPI 1349, TPI 1396, TPI 1509, TPI 1540, TPI 1400, TPI 792 and TPI 1332, wherein the agent derepresses an IAP-inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase.

Abstract: The synthesis of individual di- and tri-substituted-1,4-diazacyclic compounds having 6- to 8-atoms in the cyclic ring, their corresponding 1,6-diketo-2,5-diazacyclic compounds and similar 1,4-diazacyclic ring compounds having one ring carbonyl gorup and 6-8 atoms in the ring is disclosed, as are libraries of such compounds. Methods of preparing and using the libraries of compounds as well as individual compounds of the libraries are also disclosed.

Abstract: The synthesis of individual di- and tri-substituted-1,4-diazacyclic compounds having 6- to 8-atoms in the cyclic ring, their corresponding 1,6-diketo-2,5-diazacyclic compounds and similar 1,4-diazacyclic ring compounds having one ring carbonyl gorup and 6-8 atoms in the ring is disclosed, as are libraries of such compounds. Methods of preparing and using the libraries of compounds as well as individual compounds of the libraries are also disclosed.

Abstract: The invention provides isolated agents having a core peptide selected from the group consisting of Core peptides 5 through 39 and 42 through 55, wherein the agent derepresses an IAP-inhibited caspase. Also provided is an isolated agent having a core structure selected from any of the structures shown in FIGS. 5, 9, 10, 14B, and 21-24 wherein said agent derepresses an IAP-inhibited caspase. The invention further provides a method of derepressing an IAP-inhibited caspase. The method consists of contacting an IAP-inhibited caspase with an effective amount of an agent to derepress an IAP-inhibited caspase, the agent having a core motif selected from the group consisting of a core peptide having a sequence set forth in any of Core peptides 4 through 39 and 42 through 55, and a core structure selected from the group consisting of TPI759, TPI882, TPI914 or TPI927.

Abstract: The synthesis of individual di- and tri-substituted-1,4-diazacyclic compounds having 6- to 8-atoms in the cyclic ring, their corresponding 1,6-diketo-2,5-diazacyclic compounds and similar 1,4-diazacyclic ring compounds having one ring carbonyl gorup and 6-8 atoms in the ring is disclosed, as are libraries of such compounds. Methods of preparing and using the libraries of compounds as well as individual compounds of the libraries are also disclosed.

Abstract: The synthesis of individual di- and tri-substituted-1,4-diazacyclic compounds having 6- to 8-atoms in the cyclic ring, their corresponding 1,6-diketo-2,5-diazacyclic compounds and similar 1,4-diazacyclic ring compounds having one ring carbonyl group and 6-8 atoms in the ring is disclosed, as are libraries of such compounds. Methods of preparing and using the libraries of compounds as well as individual compounds of the libraries are also disclosed.

Abstract: The invention provides a rapid approach for combinatorial synthesis and screening of libraries of cyclic urea and cyclic thiourea compounds. The present invention further provides the compounds made by the combinatorial synthesis.