We noticed a general lack of sequence conservation and identified two subpopulations of las-specific binding sequences based on their distinct interactions with LasR [ 29].
Therefore, even in the limit of perfect predictions one should not expect to recover the native binding site sequence based on thermodynamics alone.
Once the structure is unfolded, ribosomal binding is mediated by the SD sequence based on the binding affinity between the SD and anti-SD sequences.
This tool identifies conserved transcription factor binding sites in sequences based on homologies of such sites between different species, and in these genes it identified binding site conservation in human, mouse and dog sequences (Table 3).
Similarly, in silico algorithms can be used to predict CD4+ T cell epitopes by identifying theoretical HLA class II binding motifs within protein sequences based on analyses of thousands of known epitopes [ 41].
The rapid advancement of the field stems from the use of combinatorial library screening to select aptamer sequences based on binding affinity (Kd) response, resulting in new aptamers appearing in the literature for a wide range of small molecules including thrombin, ATP, cocaine, HIV-1 REV, Hg2+, and prostate-specific membrane antigen (PSMA).
Under a cooperative model of peptide/MHCII interactions, DM would discriminate among peptide sequences based on the total binding energy resulting from distributed interactions across the peptide-binding groove.
In a related search, we examined transcription factor target enrichments and binding sequence enrichments based on previous genome-wide studies (Macisaac et al. 2006; Robert et al. 2004; Zhu et al. 2009).
For this purpose, two different ways of representing the binding site were compared: Sequence based fingerprints and descriptors based on Molecular Interaction Fields (MIFs).
The three intragenic AP-1 binding sites are very well conserved at the nucleotide level as represented in Figure 2A by sequence logos that symbolize the frequency of the nucleotide present at each position in these binding sites based on sequence analyses of the full spectrum of HIV and SIV (Simian Immunodeficiency Virus) sequences compiled in the HIV compendium database (hiv-web.lanl.gov).
