CLUSTALWTREE
CLUSTALWTREE is a specialzed subset of the Clustalw program functionality. The goal of this interface is to infer a phylogenetic tree from a character matirx (aka a set of aligned protein or nucelic acid sequences. The program has some adjustable parameters with reasonable defaults.
INPUT = dna sequence alignments; protein sequence alignments; guide trees in Newick format.
Manual: http://www.ebi.ac.uk/2can/tutorials/nucleotide/clustalw1.html
Test input file: clustalw_tree_in1.aln
Test output file: clustalw_tree_out1.ph