1.1 --- a/allpy/base.py	Wed Dec 15 18:40:38 2010 +0300
     1.2 +++ b/allpy/base.py	Wed Dec 15 18:58:54 2010 +0300
     1.3 @@ -214,14 +214,12 @@
     1.4          self.pdb_secstr = {} # FIXME
     1.5          self.pdb_files = {} # FIXME
     1.6  
     1.7 -    @staticmethod
     1.8 -    def from_str(fasta_str, name='', description='', monomer_kind=AminoAcidType):
     1.9 -        """ Import data from one-letter code
    1.10 -
    1.11 -        monomer_kind is class, inherited from MonomerType
    1.12 -        """
    1.13 -        monomers = [monomer_kind.from_code1(aa).instance() for aa in fasta_str]
    1.14 -        return Sequence(monomers, name, description)
    1.15 +    @classmethod
    1.16 +    def from_string(cls, string, name='', description=''):
    1.17 +        """Create sequences from string of one-letter codes."""
    1.18 +        monomer = cls.monomer_type.from_code1
    1.19 +        monomers = [monomer(letter) for letter in string]
    1.20 +        return cls(monomers, name, description)
    1.21  
    1.22      @staticmethod
    1.23      def from_pdb_chain(chain):