[ 源代码： proalign ]
软件包：proalign（0.603-6）
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外部的资源：
- 主页 [loytynojalab.biocenter.helsinki.fi]
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Probabilistic multiple alignment program
ProAlign performs probabilistic sequence alignments using hidden Markov models (HMM). It includes a graphical interface (GUI) allowing to (i) perform alignments of nucleotide or amino-acid sequences, (ii) view the quality of solutions, (iii) filter the unreliable alignment regions and (iv) export alignments to other software.
ProAlign uses a progressive method, such that multiple alignment is created stepwise by performing pairwise alignments in the nodes of a guide tree. Sequences are described with vectors of character probabilities, and each pairwise alignment reconstructs the ancestral (parent) sequence by computing the probabilities of different characters according to an evolutionary model.