Analytical, Diagnostic and Therapeutic Techniques, and Equipment

Position-Specific Scoring Matrices

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.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

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.

MeSH Record

Classification

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MeSH Record

Synonyms

28 entry terms
  • Position Weight Matrices
  • Position Weight Matrix
  • Position-Specific Scoring Matrix
  • Position-Specific Weight Matrices
  • Position-Specific Weight Matrix
  • Matrices, Position Weight
  • Matrices, Position-Specific Scoring
  • Matrices, Position-Specific Weight
  • Matrix, Position Weight
  • Matrix, Position-Specific Scoring
  • Matrix, Position-Specific Weight
  • Position Specific Scoring Matrices
  • Position Specific Scoring Matrix
  • Position Specific Weight Matrices
  • Position Specific Weight Matrix
  • Scoring Matrices, Position-Specific
  • Scoring Matrix, Position-Specific
  • Weight Matrices, Position
  • Weight Matrices, Position-Specific
  • Weight Matrix, Position
  • Weight Matrix, Position-Specific
  • Position Frequency Matrices
  • Sequence Logo
  • Sequence Logos
  • Frequency Matrices, Position
  • Logo, Sequence
  • Logos, Sequence
  • Matrices, Position Frequency

MeSH Record

History Note

2010

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Position-Specific Scoring Matrices. Medical Subject Headings (MeSH). 2026. Unique ID D056510. http://id.nlm.nih.gov/mesh/2026/D056510
  2. Position-Specific Scoring Matrices. In: Wikipedia. https://en.wikipedia.org/wiki/Position_weight_matrix
  3. Position-Specific Scoring Matrices. In: Wikidata. https://www.wikidata.org/wiki/Q7233183