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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® Biotin-KRAS[G12S], N-His;C-Avi
KeyTec® Biotin-KRAS[G12S], N-His;C-Avi
Species: Human; Expression Host: E.coli; Tag: N-terminal His,C-terminal Avi; Sequence: M1-K169[G12S]; Purity: SDS-PAGE
CAT. / P6HE0140S / P6HE0140L
KeyTec® Biotin-KRAS[Q61R], N-His;C-Avi
KeyTec® Biotin-KRAS[Q61R], N-His;C-Avi
Species: Human; Expression Host: E.coli; Tag: N-terminal His,C-terminal Avi; Sequence: M1-K169[Q61R]; Purity: SDS-PAGE
CAT. / P6HE0138S / P6HE0138L
KeyTec® MCAK(Motor Domain), N-GST
KeyTec® MCAK(Motor Domain), N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: S225-G593 ; Purity: SDS-PAGE
CAT. / P6HE0121S / P6HE0121L
KeyTec® MDA5, N-GST
KeyTec® MDA5, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M287-D1025(end); Purity: SDS-PAGE
CAT. / P6HE0119S / P6HE0119L
KeyTec® Biotin-Menin, N-His;C-Avi
KeyTec® Biotin-Menin, N-His;C-Avi
Species: Human; Expression Host: E.coli; Tag: N-terminal His,C-terminal -Avi; Sequence: M1-L615; Purity: SDS-PAGE
CAT. / P6HE0132S / P6HE0132L
KeyTec® Biotin-nNOS, N-His;C-Avi
KeyTec® Biotin-nNOS, N-His;C-Avi
Species: Human; Expression Host: E.coli; Tag: N-terminal His,C-terminal Avi; Sequence: I11-V133; Purity: SDS-PAGE
CAT. / P6HE0104S / P6HE0104L
KeyTec® PDE1A, N-GST
KeyTec® PDE1A, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: G2-S545(end); Purity: SDS-PAGE
CAT. / P6HE0129S / P6HE0129L
KeyTec® PDE1B, N-GST
KeyTec® PDE1B, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: E2-D536(end); Purity: SDS-PAGE
CAT. / P6HE0128S / P6HE0128L
KeyTec® PDE1C, N-GST
KeyTec® PDE1C, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: E2-E634(end); Purity: SDS-PAGE
CAT. / P6HE0125S / P6HE0125L
KeyTec® PDE2A, N-GST;C-Flag
KeyTec® PDE2A, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: G2-E941(end); Purity: SDS-PAGE
CAT. / P6HE0126S / P6HE0126L
KeyTec® PDE4A4B, N-GST;C-Flag
KeyTec® PDE4A4B, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: E2-T886(end); Purity: SDS-PAGE
CAT. / P6HE0127S / P6HE0127L
KeyTec® PDE4B1, N-GST;C-Flag
KeyTec® PDE4B1, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: K2-T736(end); Purity: SDS-PAGE
CAT. / P6HE0130S / P6HE0130L
KeyTec® PDE4B2, N-His
KeyTec® PDE4B2, N-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His; Sequence: S152-I484; Purity: SDS-PAGE
CAT. / P6HE0109S / P6HE0109L
KeyTec® PDE4C1, N-GST;C-Flag
KeyTec® PDE4C1, N-GST;C-Flag
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST,C-terminal Flag; Sequence: E2-T712(end); Purity: SDS-PAGE
CAT. / P6HE0134S / P6HE0134L
KeyTec® PDE4D2, N-His
KeyTec® PDE4D2, N-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His; Sequence: I79-L438; Purity: SDS-PAGE
CAT. / P6HE0110S / P6HE0110L
KeyTec® SND1, N-His
KeyTec® SND1, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: V16-M399; Purity: SDS-PAGE
CAT. / P6HE0131S / P6HE0131L

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
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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