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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® PARP1, N-His
KeyTec® PARP1, N-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His; Sequence: A2-W1014(end); Purity: SDS-PAGE
CAT. / P4HI0012S / P4HI0012L
KeyTec® PARP10, N-Flag; C-StrepII
KeyTec® PARP10, N-Flag; C-StrepII
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal Flag, C-terminal StrepII; Sequence: G805-T1025(end); Purity: SDS-PAGE
CAT. / P4HI0013S / P4HI0013L
KeyTec® PARP11, N-GST; C-His
KeyTec® PARP11, N-GST; C-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; C-terminal His; Sequence: M8-H338(end); Purity: SDS-PAGE
CAT. / P4HI0014S / P4HI0014L
KeyTec® PARP12, N-GST
KeyTec® PARP12, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: K500-Q701(end); Purity: SDS-PAGE
CAT. / P4HI0015S / P4HI0015L
KeyTec® PARP14, N-GST
KeyTec® PARP14, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: K1470–K1801(end); Purity: SDS-PAGE
CAT. / P4HI0016S / P4HI0016L
KeyTec® PARP2, N-GST
KeyTec® PARP2, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: A2-W583(end); Purity: SDS-PAGE
CAT. / P4HI0017S / P4HI0017L
KeyTec® PARP3, N-GST
KeyTec® PARP3, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: M1-L540(end); Purity: SDS-PAGE
CAT. / P4HI0018S / P4HI0018L
KeyTec® PARP6, N-GST
KeyTec® PARP6, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: M1-N630(end); Purity: SDS-PAGE
CAT. / P4HI0021S / P4HI0021L
KeyTec® POLN, N-His; C-Flag
KeyTec® POLN, N-His; C-Flag
Species: Human; Expression Host: E.coli; Tag: N-terminal His; C-terminal Flag; Sequence: A192-G863; Purity: SDS-PAGE
CAT. / P4HE0022S / P4HE0022L
KeyTec® POLQ-C, N-His
KeyTec® POLQ-C, N-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His; Sequence: S1819-V2590(end); Purity: SDS-PAGE
CAT. / P4HI0023S / P4HI0023L
KeyTec® POLQ-N, N-His
KeyTec® POLQ-N, N-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal His; Sequence: M1-M894; Purity: SDS-PAGE
CAT. / P4HI0024S / P4HI0024L
KeyTec® RecQ1, N-His
KeyTec® RecQ1, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: C49-N619; Purity: SDS-PAGE
CAT. / P4HE0025S / P4HE0025L
KeyTec® RecQ4, N-His-SUMO
KeyTec® RecQ4, N-His-SUMO
Species: Human; Expression Host: E.coli; Tag: N-terminal His-SUMO; Sequence: A427-G1116; Purity: SDS-PAGE
CAT. / P4HE0026S / P4HE0026L
KeyTec® RecQ5, N-His
KeyTec® RecQ5, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: D11-S562; Purity: SDS-PAGE
CAT. / P4HE0027S / P4HE0027L
KeyTec® TREX1, N-MBP
KeyTec® TREX1, N-MBP
Species: Human; Expression Host: E.coli; Tag: N-terminal MBP; Sequence: M1-K242; Purity: SDS-PAGE
CAT. / P4HE0028S / P4HE0028L
KeyTec® TREX1, N-His
KeyTec® TREX1, N-His
Species: Mouse; Expression Host: E.coli; Tag: N-terminal His; Sequence: G9-R245; Purity: SDS-PAGE
CAT. / P4ME0029S / P4ME0029L

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.


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Protein Kinase Overview
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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
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New Product Release | KeyTec® TR-FRET His Tag Check Kit: A New Choice for Efficient His Tag Detection
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Traditional vs. Time-Resolved Fluorescence: A Comparative Analysis for Modern Drug Discovery
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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