Definition: Tabular numerical representations of sequence motifs displaying their variability as likelihood values for each possible residue at each position in a sequence. Position-specific scoring matrices (PSSMs) are calculated from position frequency matrices.

Other names Weight Matrix, Position-Specific; Weight Matrix, Position; Weight Matrices, Position-Specific; Weight Matrices, Position; Scoring Matrix, Position-Specific; Scoring Matrices, Position-Specific; Position Specific Weight Matrix; Position Specific Weight Matrices; Position Specific Scoring Matrix; Position Specific Scoring Matrices; Matrix, Position-Specific Weight; Matrix, Position-Specific Scoring; Matrix, Position Weight; Matrices, Position-Specific Weight; Matrices, Position-Specific Scoring; Matrices, Position Weight; Matrices, Position Frequency; Logos, Sequence; Logo, Sequence; Frequency Matrices, Position