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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® PD1, C-Fc
KeyTec® PD1, C-Fc
Species: Human; Expression Host: HEK293; Tag: C-terminal Fc; Sequence: L25-Q167; Purity: SDS-PAGE
CAT. / P6HH0076S / P6HH0076L
KeyTec® PD1, C-His
KeyTec® PD1, C-His
Species: Human; Expression Host: HEK293; Tag: C-terminal His; Sequence: L25-Q167; Purity: SDS-PAGE
CAT. / P6HH0077S / P6HH0077L
KeyTec® PD1, C-His-Avi
KeyTec® PD1, C-His-Avi
Species: Human; Expression Host: HEK293; Tag: C-terminal His-Avi; Sequence: L25-Q167; Purity: SDS-PAGE
CAT. / P6HH0078S / P6HH0078L
KeyTec® PDE3A, N-GST
KeyTec® PDE3A, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: K669-Q1141(end); Purity: SDS-PAGE
CAT. / P6HI0079S / P6HI0079L
KeyTec® PDE3B, N-GST
KeyTec® PDE3B, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: S592-E1112(end); Purity: SDS-PAGE
CAT. / P6HI0080S / P6HI0080L
KeyTec® PDE4C2, N-His
KeyTec® PDE4C2, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: T200-E558; Purity: SDS-PAGE
CAT. / P6HE0081S / P6HE0081L
KeyTec® PDE4D2, N-GST
KeyTec® PDE4D2, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: A2-T507(end); Purity: SDS-PAGE
CAT. / P6HI0082S / P6HI0082L
KeyTec® PDE5A1, N-GST
KeyTec® PDE5A1, N-GST
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal GST; Sequence: M1-N875(end); Purity: SDS-PAGE
CAT. / P6HI0083S / P6HI0083L
KeyTec® PDL1, C-Fc
KeyTec® PDL1, C-Fc
Species: Human; Expression Host: HEK293; Tag: C-terminal Fc; Sequence: F19-Y134; Purity: SDS-PAGE
CAT. / P6HH0084S / P6HH0084L
KeyTec® PDL1, C-His
KeyTec® PDL1, C-His
Species: Human; Expression Host: HEK293; Tag: C-terminal His; Sequence: F19-Y134; Purity: SDS-PAGE
CAT. / P6HH0085S / P6HH0085L
KeyTec® PDL2, C-His
KeyTec® PDL2, C-His
Species: Human; Expression Host: HEK293; Tag: C-terminal His; Sequence: L20-P219; Purity: SDS-PAGE
CAT. / P6HH0086S / P6HH0086L
KeyTec® sGCα1/sGCβ1, N-StrepII/C-His
KeyTec® sGCα1/sGCβ1, N-StrepII/C-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal StrepII/C-terminal His; Sequence: M1-D690/M1-D619; Purity: SDS-PAGE
CAT. / P6HI0087S / P6HI0087L
KeyTec® sGCα2/sGCβ1, N-StrepII/C-His
KeyTec® sGCα2/sGCβ1, N-StrepII/C-His
Species: Human; Expression Host: Insect(Sf9); Tag: N-terminal StrepII/C-terminal His; Sequence: M1-L732/M1-D619; Purity: SDS-PAGE
CAT. / P6HI0088S / P6HI0088L
KeyTec® SOS1, N-GST
KeyTec® SOS1, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: E564-T1049; Purity: SDS-PAGE
CAT. / P6HE0089S / P6HE0089L
KeyTec® SOS2, N-GST
KeyTec® SOS2, N-GST
Species: Human; Expression Host: E.coli; Tag: N-terminal GST; Sequence: T654-G1043; Purity: SDS-PAGE
CAT. / P6HE0090S / P6HE0090L
KeyTec® STAT3, N-His
KeyTec® STAT3, N-His
Species: Human; Expression Host: E.coli; Tag: N-terminal His; Sequence: G127-I722; Purity: SDS-PAGE
CAT. / P6HE0091S / P6HE0091L

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