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Shanghai VKEY Biotechnologies Co.,Ltd.
Shanghai VKEY Biotechnologies Co.,Ltd.
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Protein Assay Kit

In biological scientific research, protein products are important tools for studying the mechanisms of life activities. For example, by studying the roles of various proteins in cell signal transduction and gene expression regulation, scientists can gain a deeper understanding of biological processes.

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Product List
KeyTec® CDK9/CyclinT2, N-GST;N-Flag-His
KeyTec® CDK9/CyclinT2, N-GST;N-Flag-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST tag,/N-terminal Flag-His; Sequence: M1-F372(end)/A2-S663(end); Purity: SDS-PAGE
CAT. / P1HI0276S / P1HI0276L
KeyTec® CLK4, N-GST;C-StrepII
KeyTec® CLK4, N-GST;C-StrepII
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal-GST,C-terminal StrepII; Sequence: M1-K481(end); Purity: SDS-PAGE
CAT. / P1HI0278S / P1HI0278L
KeyTec® CLK4, N-GST
KeyTec® CLK4, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: R70-K481(end); Purity: SDS-PAGE
CAT. / P1HI0279S / P1HI0279L
KeyTec® EGFR, N-GST;C-Flag
KeyTec® EGFR, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: R669-A1210(end); Purity: SDS-PAGE
CAT. / P1HI0293S / P1HI0293L
KeyTec® EGFR, N-GST R669-A1210(end)
KeyTec® EGFR, N-GST R669-A1210(end)
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: R669-A1210(end); Purity: SDS-PAGE
CAT. / P1HI0294S / P1HI0294L
KeyTec® FAK, N-GST;C-Flag
KeyTec® FAK, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: L376-H1052(end); Purity: SDS-PAGE
CAT. / P1HI0284S / P1HI0284L
KeyTec® GPRK7, N-GST;C-FIag
KeyTec® GPRK7, N-GST;C-FIag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal-GST,C-terminal FIag; Sequence: M1-L553(end); Purity: SDS-PAGE
CAT. / P1HI0271S / P1HI0271L
KeyTec® HIPK3, N-GST;C-Flag
KeyTec® HIPK3, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: P161-N562 ; Purity: SDS-PAGE
CAT. / P1HI0277S / P1HI0277L
KeyTec® MAP2K1, N-GST
KeyTec® MAP2K1, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: M1-V393(end); Purity: SDS-PAGE
CAT. / P1HI0300S / P1HI0300L
KeyTec® MAP2K1[L115P], N-GST
KeyTec® MAP2K1[L115P], N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: M1-V393[L115P](end); Purity: SDS-PAGE
CAT. / P1HI0299S / P1HI0299L
KeyTec® MAP3K4, N-GST;C-Flag
KeyTec® MAP3K4, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: M1312-E1608(end) ; Purity: SDS-PAGE
CAT. / P1HI0297S / P1HI0297L
KeyTec® MLK1, N-His;C-Avi
KeyTec® MLK1, N-His;C-Avi
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His,C-terminal Avi; Sequence: Y110-L422; Purity: SDS-PAGE
CAT. / P1HI0303S / P1HI0303L
KeyTec® Biotin-MLK2, N-His;C-Avi
KeyTec® Biotin-MLK2, N-His;C-Avi
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His,C-terminal Avi; Sequence: Y75-S462 ; Purity: SDS-PAGE
CAT. / P1HI0302S / P1HI0302L
KeyTec® NEK3, N-GST;C-Flag
KeyTec® NEK3, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: M1-R506(end); Purity: SDS-PAGE
CAT. / P1HI0289S / P1HI0289L
KeyTec® Nuak2, N-GST;C-Flag
KeyTec® Nuak2, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: M1-T628(end); Purity: SDS-PAGE
CAT. / P1HI0274S / P1HI0274L
KeyTec® Biotin-Nuak2, N-Flag;C-Avi
KeyTec® Biotin-Nuak2, N-Flag;C-Avi
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal Flag,C-terminal Avi; Sequence: M1-T628(end); Purity: SDS-PAGE
CAT. / P1HI0275S / P1HI0275L

Advantages of VKEY-BIO Proteins Products

Strict Quality Control
Strict Quality Control

Each batch comes with a rigorous QC report

High Activity
High Activity

Each batch is activity-verified

Ideal for High-Throughput Screening
Ideal for High-Throughput Screening

Validated with homogeneous assay models, such as TR-FRET and ADP-Glo, ideal for high-throughput screening

Cost - Effective
Cost - Effective

High-performance at competitive prices.


VKEY-BIO Technologies News & Blog
Protein Kinase Overview
Protein Kinase Overview
26 Mar 2026
VKEY-BIO's Four Core Cytokine Detection Solutions: TNFα, IL-6, IL-8, IL-2 Empowering Inflammation and Immunity Research
VKEY-BIO's Four Core Cytokine Detection Solutions: TNFα, IL-6, IL-8, IL-2 Empowering Inflammation and Immunity Research
25 Mar 2026
Best Practices for Implementing Kinase Assays in Research
Best Practices for Implementing Kinase Assays in Research
24 Mar 2026
New Product Release | KeyTec® TR-FRET His Tag Check Kit: A New Choice for Efficient His Tag Detection
New Product Release | KeyTec® TR-FRET His Tag Check Kit: A New Choice for Efficient His Tag Detection
23 Mar 2026
Traditional vs. Time-Resolved Fluorescence: A Comparative Analysis for Modern Drug Discovery
Traditional vs. Time-Resolved Fluorescence: A Comparative Analysis for Modern Drug Discovery
22 Mar 2026
Great News! VKEY-BIO Recognized as a Shanghai “Specialized and Sophisticated Enterprise”
Great News! VKEY-BIO Recognized as a Shanghai “Specialized and Sophisticated Enterprise”
20 Mar 2026