Phytohormones are key signaling molecules that regulate plant growth, development, and adaptation to the environment. The core mechanism by which phytohormones exert their physiological functions lies in their ability to bind to specific receptors as "ligands," thereby triggering downstream signaling cascades that ultimately lead to changes in gene expression and physiological responses. Elucidating the binding patterns, affinity, and three-dimensional structures of hormone-receptor complexes is fundamental to understanding the mechanisms of action of phytohormones. It is also a critical prerequisite for molecular design breeding, crop trait improvement, and the development of novel plant growth regulators. Lifeasible is a leading global professional biotechnology company specializing in phytohormones. We are committed to providing research institutes and seed companies with one-stop, customized services for the analysis of phytohormone-receptor interactions and structural elucidation, thereby advancing research in the field of phytohormones.

Fig.1 Regulation by phytohormones. (Lifeasible)

Our Service for Phytohormone Receptor-Ligand Interaction Validation and Structure Determination

Customized expression and purification of target proteins

• Multi-source expression systems. Given the unique characteristics of plant receptor proteins, we offer a variety of expression systems, including E. coli and yeast, to determine which system and conditions yield the most stable and soluble proteins.
• Customized Optimization. For plant receptors that are extremely difficult to express, we perform specialized tag design, co-expression, and renaturation optimization to ensure the production of high-purity, high-activity receptor proteins.

Multidimensional ligand-receptor interaction characterization services

We combine qualitative and quantitative, kinetic and thermodynamic techniques to provide a comprehensive analysis of hormone-receptor binding patterns. The techniques we employ in this process include Bio-Layer Interference (BLI)/Surface Plasmon Resonance (SPR), Isothermal Titration Calorimetry (ITC), Microcalorimetry (MST), and biochemical interaction assays (Pull-down/Co-IP).

High-resolution structural analysis

Using cutting-edge structural biology techniques, we help researchers determine the precise three-dimensional conformation of hormone-receptor complexes at atomic resolution.

Cryo-EM. For macromolecular receptor complexes, transmembrane receptor kinases, and similar structures, we provide a full suite of services ranging from sample preparation (grid screening) and data acquisition to 3D reconstruction.

In addition, we offer high-throughput crystal screening, diffraction data analysis, and AI-assisted structural modeling.

Functional validation and rational small-molecule design

• Functional validation. We perform key site mutagenesis based on structural information to identify critical amino acids involved in interactions.
• Rational design. We screen or design novel plant growth regulators, hormone mimics, or antagonists.

Technological Applications

• Research on plant signal transduction mechanisms. Identifying novel hormone-receptor interactions and elucidating the molecular mechanisms underlying ligand recognition and signal activation.
• Molecular design breeding of crops. Identifying key binding sites and domains of plant hormone receptors to provide precise molecular targets for breeding new crop varieties with enhanced hormone responsiveness, improved stress tolerance, and higher yields.
• Screening and development of novel plant growth regulators. High-throughput screening of highly active, highly selective hormone analogs or antagonists for precise regulation in agricultural production.

Our Service Process

Fig.2 Our service process. (Lifeasible)

Highlights of Our Services

• End-to-end technical coverage. From interaction validation to structural analysis, we complete every step within a single system, eliminating sample loss and data inconsistencies that arise from transferring samples between different platforms.
• Experienced research team. Our team members have long specialized in plant hormone signal transduction and possess a deep understanding of the interaction patterns and structural characteristics of classic hormone-receptor systems.
• Flexible, customized solutions. We offer tailored optimization strategies to address common challenges in plant hormone research, such as poor ligand stability and the difficulty of purifying membrane-bound receptors.

Leveraging state-of-the-art technical platforms and a team of experienced scientists, Lifeasible provides end-to-end services for the validation of Phytohormone "ligand-receptor" interactions and structural analysis. If you are interested, please feel free to contact us.

*If your organization requires the signing of a confidentiality agreement, please contact us by email.

For research or industrial use.

Related Services

• High-Throughput Target Discovery for Phytohormones and Analogs