Abstract: The present invention concerns a fluorescence resonance energy transfer based high throughput test system to measure the formation of the RSV F1 six-helix bundle. In a first embodiment the current invention relates to a homogeneous time resolved fluorescence-based test system comprising a first helical polypeptide consisting essentially of the sequence of IQN57 (SEQ ID NO: 1); a second helical polypeptide consisting essentially of the sequence of C45 (SEQ ID NO: 2) wherein said IQN57 is labeled with a light emitting fluorophore and said C45 is labeled with an ultra-violet excitable fluorophore.

Abstract: The present invention concerns a fluorescence resonance energy transfer based high throughput test system to measure the formation of the HIV gp41 six-helix bundle. In a first embodiment the current invention relates to a homogeneous time resolved fluorescence-based test system comprising a first helical polypeptide consisting essentially of the sequence of IQN36 (SEQ ID NO:1); a second helical polypeptide consisting essentially of the sequence of C34 (SEQ ID NO: 2) wherein said IQN36 is labeled with a light emitting fluorophore and said C34 is labeled with an ultra-violet excitable fluorophore.

Abstract: The present invention concerns a method for identifying compounds that decrease the ability of Human Immunodeficiency Virus (HIV) to enter previously uninfected cells. More specifically it relates to a homogeneous competitive cell-based binding assay for the identification of HIV-1 entry fusion inhibitors on a high content screening platform or flow cytometric-based read out.

Abstract: The present invention concerns a fluorescence resonance energy transfer based high throughput test system to measure the formation of the RSV F1 six-helix bundle. In a first embodiment the current invention relates to a homogeneous time resolved fluorescence-based test system comprising a first helical polypeptide consisting essentially of the sequence of IQN57 (SEQ ID NO: 1); a second helical polypeptide consisting essentially of the sequence of C45 (SEQ ID NO: 2) wherein said IQN57 is labeled with a light emitting fluorophore and said C45 is labeled with an ultra-violet excitable fluorophore.

Abstract: The present invention concerns sulfonamide derivatives having the general formula and N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs and esters thereof, wherein Q1 is —S— or —O—; R1 is hydrogen, C1-6alkyl, hydroxy, amino, halogen, aminoC1-4alkyl and mono- or di(C1-4alkyl)amino; R2 is hydrogen or C1-6alkyl; R3 is C1-6alkyl, aryl, C3-7cycloalkyl, C3-7cycloalkylC1-4alkyl, or arylC1-4alkyl; R4 is hydrogen, C1-4alkyloxycarbonyl, carboxyl, optionally mono- or disubstituted aminocarbonyl, mono- or di(C1-4alkyl)aminocarbonyl, C3-7cycloalkyl, C2-6alkenyl, C2-6alkynyl or C1-6alkyl optionally substituted with one or more substituents each independently selected from aryl, Het1, Het2, C3-7cycloalkyl, C1-4alkyloxy-carbonyl, carboxyl, aminocarbonyl, mono- or di(C1-4alkyl)aminocarbonyl, aminosulfonyl, C1-4alkylS(?O)t, hydroxy, cyano, halogen or amino optionally mono- or di-substituted where the substituents are each independently selected from C1-4alkyl, aryl, arylC1-4alkyl, C3-7cycloalkyl, C3-7cycloa