Early broad spectrum MMP inhibitors directed towards the zinc region of the catalytic domain (inhibitors exploiting the hydroxamate function as a zinc-binding group) have been ineffective because of their dose limiting toxicity in the form of musculoskeletal syndrome (MSS), characterised by joint stiffness and inflammation [9].
This concept of combining those two motifs (S1′ non-zinc-binding selectivity elements plus a zinc-binding group) has been proposed in the past but has not yet been realized.[ 20] As expected, inhibitor 4 indeed showed further improved binding affinity (IC50=6 n m) and still retained an extraordinary selectivity profile (Table 1).
Five main groups have been identified: arginine-glycine-aspartate (RGD -binding, the α4 family, laminin-binding, I-domain collagen-binding, and leukocyte adhesion integRGD -binding
Previously, replacement of the 7-Me group of the Me7-guanosine monophosphate with a benzyl group has been found to increase binding affinity to eIF4E.
In the present work, a new series of bisthiazole-based compounds with different zinc binding groups (ZBGs) have been designed and synthesized.
In the field of molecular recognition, the guanidinium group has been established as a highly effective functional group in the binding of anionic guests.
By means of molecular modeling and docking studies, two novel non-peptide inhibitors (pyrogallic acid and myricetin) with a new zinc binding group (ZBG) have been evaluated as inhibitors of MMP-1 and MMP-3.
Two new potential HDACis 1a and 1d, characterized by the presence of a biphenyl-4-sulfonamide group as a connection unit between the N-{4-[(E - 2-formylhydrazinylidene)mE - 2-formylhydrazinylidene thE - 2-formylhydrazinylidenetyl)benzamide moiety, respectively, as two zinc-binding group (ZBG), have been designed, synthesized and tested for their biological activity.
The variable binding patterns have been further sorted into two major binding groups, the A/B binding group and Lewis binding group based on shared HBGA targets within binding groups.
The consensus sequence of three different groups of NtcA binding sites have been analyzed.
