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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® DUSP22, N-GST
KeyTec® DUSP22, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-L184(end); Purity: SDS-PAGE
CAT. / P3HE0002S / P3HE0002L
KeyTec® Lambda PP, C-His
KeyTec® Lambda PP, C-His
Species: Human; Expression Host: E.coli; Tag: C-terminal His; Sequence: M1-A221; Purity: SDS-PAGE
CAT. / P3HE0003S / P3HE0003L
KeyTec® LMPTP-A, N-GST
KeyTec® LMPTP-A, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-H158; Purity: SDS-PAGE
CAT. / P3HE0004S / P3HE0004L
KeyTec® LMPTP-B, N-GST
KeyTec® LMPTP-B, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-H158; Purity: SDS-PAGE
CAT. / P3HE0005S / P3HE0005L
KeyTec® MKP5, C-His
KeyTec® MKP5, C-His
Species: Human; Expression Host: E.coli; Tag: C-terminal His; Sequence: A320-V482 ; Purity: SDS-PAGE
CAT. / P3HE0006S / P3HE0006L
KeyTec® PP5, N-GST
KeyTec® PP5, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-M499; Purity: SDS-PAGE
CAT. / P3HE0007S / P3HE0007L
KeyTec® PTP1B, N-His
KeyTec® PTP1B, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: E2-N321; Purity: SDS-PAGE
CAT. / P3HE0008S / P3HE0008L
KeyTec® PTPN12, N-GST
KeyTec® PTPN12, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-Q355 ; Purity: SDS-PAGE
CAT. / P3HE0009S / P3HE0009L
KeyTec® PTPN13, N-GST
KeyTec® PTPN13, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: D2169-K2485(end); Purity: SDS-PAGE
CAT. / P3HE0010S / P3HE0010L
KeyTec® PTPN2, N-His
KeyTec® PTPN2, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: P2-N314; Purity: SDS-PAGE
CAT. / P3HE0011S / P3HE0011L
KeyTec® PTPN22, N-His
KeyTec® PTPN22, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: M1-M294; Purity: SDS-PAGE
CAT. / P3HE0012S / P3HE0012L
KeyTec® PTPN4, N-GST
KeyTec® PTPN4, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: H637-K926(end); Purity: SDS-PAGE
CAT. / P3HE0013S / P3HE0013L
KeyTec® PTPN7, N-GST
KeyTec® PTPN7, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: M1-P360(end); Purity: SDS-PAGE
CAT. / P3HE0014S / P3HE0014L
KeyTec® PTPN9, N-GST
KeyTec® PTPN9, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: A285-S582; Purity: SDS-PAGE
CAT. / P3HE0015S / P3HE0015L
KeyTec® PTPRM(PTPμ), N-GST
KeyTec® PTPRM(PTPμ), N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: E896-N1175; Purity: SDS-PAGE
CAT. / P3HE0016S / P3HE0016L
KeyTec® SHP2, N-His
KeyTec® SHP2, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: T2-R593(end); Purity: SDS-PAGE
CAT. / P3HE0017S / P3HE0017L

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