Buffers & Concentrates

IDO2 Reaction Solution is an optimized, proprietary formulation containing all the necessary reaction components for IDO2-catalyzed conversion of L-tryptophan (L-Trp) to kynurenine (Kyn) in in vitro enzyme activity assays. This product is intended to be used with the BPS IDO2 Inhibitor Screening Assay Kit (BPS Cat. #72022) and/or with purified, active IDO2, His-tag (BPS Cat. #71194) in combination with 1x IDO2 Assay Buffer (BPS Cat. #73004).

1x IDO2 Assay Buffer is an optimized, proprietary formulation designed for diluting IDO2 (BPS Cat. #71194) for in vitro enzyme activity assays. This product is intended to be used with the BPS IDO2 Inhibitor Screening Assay Kit (BPS Cat. #72022) and/or with purified, active IDO2, His-tag (BPS Cat. #71194) in combination with IDO2 Reaction Solution (BPS Cat. #73003).

TDO Reaction Solution is an optimized, proprietary formulation containing all the necessary reaction components for TDO-catalyzed conversion of L-tryptophan (L-Trp) to kynurenine (Kyn) in in vitro enzyme activity assays. This product is intended to be used with the BPS TDO Inhibitor Screening Assay Kit (BPS Cat. #72023) and/or with purified, active TDO, His-tag (BPS Cat. #71195) in combination with 1x TDO Assay Buffer (BPS Cat. #73006).

1x TDO Assay Buffer is an optimized, proprietary formulation designed for diluting TDO (BPS Cat. #71195) for in vitro enzyme activity assays. This product is intended to be used with the BPS TDO Inhibitor Screening Assay Kit (BPS Cat. #72023) and/or with purified, active TDO, His-tag (BPS Cat. #71195) in combination with TDO Reaction Solution (BPS Cat. #73005).

IDO1 Fluorogenic Reaction Solution is an optimized, proprietary formulation containing all the necessary reaction components for IDO1-catalyzed conversion of L-tryptophan (L-Trp) to kynurenine (Kyn) in in vitro enzyme activity assays. This product is intended to be used with the BPS Human IDO1 Fluorogenic Inhibitor Screening Assay Kit (BPS Cat. #72037 &Cat. #72047) and/or with purified, active IDO1, His-tag (BPS Cat. #71182) in combination with 1x IDO1 Assay Buffer (BPS Cat. #73002).

TDO Fluorogenic Reaction Solution is an optimized, proprietary formulation containing all the necessary reaction components for TDO-catalyzed conversion of L-tryptophan (L-Trp) to kynurenine (Kyn) in in vitro enzyme activity assays. This product is intended to be used with the BPS Human TDO Fluorogenic Inhibitor Screening Assay Kits (BPS Cat. #72039 & Cat. #72049) and/or with purified, active TDO, His-tag (BPS Cat. #71195) in combination with 1x TDO Assay Buffer (BPS Cat. #73006).

The 5X CD73 Assay Buffer is optimized for assaying CD73. This buffer is designed for BPS Bioscience's colorimetric assays (cat# 72055 and cat# 72058).

The 3CL Protease (MERS-CoV) Assay Buffer is optimized for use with the 3CL Protease (MERS-CoV) Assay Kit (BPS Bioscience #78023).

The 3X Immuno Buffer 1 is optimized for use with a large variety of Immunotherapy Assay Kits: • CD28:B7-1[Biotinylated] Inhibitor Screening Assay Kit<br />• CD28:B7-2[Biotinylated] Inhibitor Screening Assay Kit<br />• CD47:SIRP-α[Biotinylated] Inhibitor Screening Assay Kit<br />• CD47:SIRP-γ[Biotinylated] Inhibitor Screening Assay Kit<br />• CD137[Biotinylated]:CD137L Inhibitor Screening Assay Kit<br />• CD226:CD155 Homogeneous Assay Kit<br />• CD226:CD112 Homogeneous Assay Kit<br />• CTLA4:B7-1 TR-FRET Assay Kit<br />• CTLA4:B7-1[Biotinylated] Inhibitor Screening Assay Kit<br />• CTLA4[Biotinylated]:B7-2 Inhibitor Screening Assay Kit<br />• IL-17RA[Biotin]:IL-17A Inhibitor Screening Assay Kit<br />• OX40[Biotinylated]:OX40L Inhibitor Screening Assay Kit<br />• PD-L1:B7-1[Biotinylated] Inhibitor Screening Assay Kit <br />• PD-1:PD-L2[Biotinylated] Inhibitor Screening Colorimetric Assay Kit<br />• PD-1[Biotinylated]:PD-L1 Homogeneous Assay Kit<br />• PD-1[Biotinylated]:PD-L1 Inhibitor