sequence identity
quantifies the proportion of identical residues at selected positions in the alignment.
symbols, variables and units
N_identical: the number of consistent positions; N_aligned: the number of alignment positions contained in the denominator.
applicable conditions and boundaries
must indicate whether the gap is included in the denominator and whether global or local comparison is used.
formula source code
The following is a copyable LaTeX expression.
I=\frac{N_{\mathrm{identical}}}{N_{\mathrm{aligned}}}\times100\%Reference and Extended Learning
OpenStax · Biology 2e ↗is organized according to model definition and assumptions. Please check actual conditions and original literature before engineering, research and clinical use.
sequence identitysequence alignment