TY - GEN AU - Ulmer,K M TI - Protein engineering SN - 0036-8075 PY - 1983///0311 KW - Base Sequence KW - Crystallography KW - Genes KW - Genetic Engineering KW - Models, Molecular KW - Molecular Biology KW - trends KW - Protein Conformation KW - Proteins KW - genetics KW - X-Ray Diffraction N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.6572017 ER -