Metalloenzyme Inhibitor Compounds Selective Binding
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Solution Overview
Problem
Current metalloenzyme inhibitors face challenges in achieving a balance between potency and selectivity, leading to clinical toxicity due to indiscriminate binding to off-target enzymes, which affects the treatment of diseases and disorders.
Innovation Solution
Development of compounds with specific metal-binding groups, such as those described in Formula I, which modulate metalloenzyme activity by forming specific chemical interactions, thereby achieving targeted inhibition with reduced off-target effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tightly binding metal-binding group is utilized to achieve high potency, then enzyme inhibition potency is improved, but selectivity for the target enzyme versus related metalloenzymes deteriorates
Solution Approach 1:
The patent applies local quality by designing metal-binding groups with specific spatial and electronic characteristics that are optimized for the target enzyme's active site geometry. The substituents on the triazole or pyrazole rings are strategically positioned to create local interactions that are unique to the target enzyme, allowing tight binding without cross-reactivity with off-target enzymes.
Solution Approach 2:
The patent employs parameter changes by systematically varying the electronic and steric parameters of the metal-binding group. By adjusting substituents on the triazole/pyrazole ring (such as electron-withdrawing or electron-donating groups), the patent optimizes the metal-ligand bond strength and geometric fit to achieve high potency while maintaining selectivity through precise parameter control.
2Object-affected harmful factors
If a weakly binding metal-binding group is utilized to achieve high selectivity, then off-target inhibition is reduced, but enzyme inhibition potency deteriorates
Solution Approach 1:
The patent uses local quality by introducing specific substituent patterns on the metal-binding ring that create localized interaction zones. These zones are designed to match the unique features of the target enzyme's active site, enabling selective binding even at moderate affinity, thus achieving both selectivity and adequate potency.
Solution Approach 2:
The patent applies composite materials by combining the metal-binding triazole or pyrazole group with additional pharmacophoric elements and substituents that contribute to both binding affinity and selectivity. This composite structure allows the molecule to achieve optimal balance between potency and selectivity through synergistic interactions of multiple functional elements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The compounds effectively inhibit target metalloenzymes while minimizing inhibition of off-target enzymes, enhancing therapeutic efficacy and safety.
Implementation Method 1
MBG is a metal-binding group that binds to a metal ion in the active site of a metalloenzyme
Data Source
AI summary
The instant invention describes compounds having metalloenzyme modulating activity, and methods of treating diseases, disorders or symptoms thereof mediated by such metalloenzymes.