Expression in BALB/c and C57BL/6 mice of Rt6-1 and Rt6-2 ADP-ribosyltransferases that differ in enzymatic activity: C57BL/6 Rt6-1 is a natural transferase knockout.
Kanaitsuka T, Bortell R, Stevens LA, Moss J, Sardinha D, Rajan TV, Zipris D, Mordes JP, Greiner DL, Rossini AA. Expression in BALB/c and C57BL/6 mice of Rt6-1 and Rt6-2 ADP-ribosyltransferases that differ in enzymatic activity: C57BL/6 Rt6-1 is a natural transferase knockout. J Immunol. 1997 Sep 15; 159(6):2741-9.