| agvgd | Align-GVGD (A-GVGD) |
| alignment_file | Pre-bundled alignments |
| amino_acids | The 20 standard amino acids |
| cpv_ranges | Determine CPV ranges |
| dev | Deviation function |
| gd | Grantham deviation |
| gv | Grantham variation |
| poi_to_res | Convert an alignment position to residue position |
| read_alignment | Read a protein sequence multiple alignment |
| read_substitutions | Read a file with amino acid substitutions |
| res_to_poi | Convert a residue position to an alignment position |