HMM-Kalign: a tool for generating sub-optimal HMM alignments.
basic_science · Level V
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Abstract
Recent development of strategies using multiple sequence alignments (MSA) or profiles to detect remote homologies between proteins has led to a significant increase in the number of proteins whose structures can be generated by comparative modeling methods. However, prediction of the optimal alignment between these highly divergent homologous proteins remains a difficult issue. We present a tool based on a generalized Viterbi algorithm that generates optimal and sub-optimal alignments between a sequence and a Hidden Markov Model. The tool is implemented as a new function within the HMMER package called hmmkalign.
Medical subject headings
- Algorithms
- Proteins
- Sequence Alignment
- Sequence Analysis, Protein
- Software