Sentence examples for estimate constraint from inspiring English sources

To widen the knowledge of selection at synonymous sites in vertebrates, we here estimate constraint at 4-fold degenerate sites of avian genes.

For three-species alignments, we used the genome-wide divergence estimates obtained from concatenated sequences to directly estimate constraint as 1 − o/ e.

If we use AR as a neutral reference to estimate constraint in the other sequence categories, 0-fold degenerate sites show an 86.7% (±0.6%) and 4-fold degenerate sites a 24.2% (±1.6%) constraint.

The deep split of the lineages investigated could suggest that the estimated constraint constitutes a representative average for birds.

The estimated constraint for 4-fold degenerate sites was 43.1% (±1.6%), 28.8% (±1.8%), and 24.2%±1.4.4%) in the chicken, turkey, and zebra finch lineages, respectively.

One way to handle this potential problem is to weight estimated constraint by the proportion of sequence removed in the neutral reference.

Estimating constraint from MSA has been widely applied to predict whether a sequence variant resulting in an amino acid substitution is likely to be deleterious.

For example, the Genomic Evolutionary Rate Profiling (GERP) algorithm [ 31] is a widely used method for estimating constraint in genomic sequences as it can assign conservation scores to specific nucleotides, which is clearly of importance when annotating small-scale variation such as single-nucleotide variants (SNVs).

Weighting the estimated constraints to take regions difficult to align in AR into account increases the estimates to 49.9% (±1.9%), 33.4% (±2.1%), and 28.0% (±1.6%), respectively.

We then used GERP [18] to estimate evolutionary constraint across the sequence alignment.

Here, we try to estimate selective constraint for each type of amino acid replacement by maximizing the likelihood of individual empirical substitution matrices.