A technique used to produce proteins
with altered or novel amino acid sequences. The methods used are:
translation systems from synthesized lengths of DNA or RNA with novel sequences.
Chemical modification of 'normal' proteins.
Solid-state polypeptide synthesis to form proteins.
PAC, 1992, 64, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 163