... Ramachandran plot.AcknowledgementsWe are grateful for the beam time provided at MAX-LAB (Lund, Sweden). This study was supported by the Danish Natural Science Council through a grant and a ... McIntosh EM & Haynes RH (1984) Isolation of a Saccharomyces cerevisiae mutant strain deficient indeoxycytidylate deaminase activity and partial charac-terization of the enzyme. J Bacteriol 158, ... processing(Sawyer L, Isaacs N & Bailey S, eds) pp. 114–122.Daresbury Laboratory, Warrington, UK.35 Navaza J (1994) AMoRe: an automated package formolecular replacement. Acta Crystallogr A5 0, 157–163.36...