The FASTML Server

Server for computing Maximum Likelihood ancestral sequence reconstruction

Type your multiple sequence alignment (MSA) (FASTA format only)

OR
Upload your multiple sequence alignment (MSA) file

Sequences Type: Amino Acids Nucleotides Codons

Type your phylogenetic tree (Optional) (Newick format only)
OR
Upload phylogenetic tree file (Newick format only)

Model of substitution:

Please enter your email address (Optional)
Your email address will be used to update you the moment the results are ready.

Advanced options

Phylogenetic tree method

Optimize Branch Lengths

Use Gamma Distribution

Optimize alpha

User provide alpha:

Compute also joint reconstruction