1CDG NUCLEOTIDE SEQUENCE AND X-RAY STRUCTURE OF CYCLODEXTRIN GLYCOSYLTRANSFERASE FROM BACILLUS CIRCULANS STRAIN 251 IN A MALTOSE-DEPENDENT CRYSTAL FORM X-RAY DIFFRACTION 1STP STRUCTURAL ORIGINS OF HIGH-AFFINITY BIOTIN BINDING TO STREPTAVIDIN X-RAY DIFFRACTION 2JEF The Molecular Basis of Selectivity of Nucleotide Triphosphate Incorporation Opposite O6-Benzylguanine by Sulfolobus solfataricus DNA Polymerase IV: Steady-state and Pre-steady-state and X-Ray Crystallography of Correct and Incorrect Pairing X-RAY DIFFRACTION