Brief communication: Hidden Markov models and optimized sequence alignments

  • Authors:
  • L. Smith;L. Yeganova;W. J. Wilbur

  • Affiliations:
  • Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, Rm. 614D, Bldg. 38A, 8600 Rockville Pike, Bethesda, MD 20894, USA;Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, Rm. 614D, Bldg. 38A, 8600 Rockville Pike, Bethesda, MD 20894, USA;Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, Rm. 614D, Bldg. 38A, 8600 Rockville Pike, Bethesda, MD 20894, USA

  • Venue:
  • Computational Biology and Chemistry
  • Year:
  • 2003

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Abstract

We present a formulation of the Needleman-Wunsch type algorithm for sequence alignment in which the mutation matrix is allowed to vary under the control of a hidden Markov process. The fully trainable model is applied to two problems in bioinformatics: the recognition of related gene/protein names and the alignment and scoring of homologous proteins.