include("./aa_properties.jl")
include("./which_natural_aminoacid.jl")
include("./selmacros.jl")
include("./select.jl")

export isacidic,
    isaliphatic,
    isaromatic,
    isbackbone,
    isbasic,
    ischarged,
    ishydrophobic,
    isneutral,
    isnonpolar,
    ispolar,
    isprotein,
    issidechain,
    iswater

export select, selindex
