... alpha-sarcin: a study of relationships. Meth Enzymol 341,335–351.3 Lacadena J, A ´lvarez-Garcı´ a E, Carreras-Sangra N,Herrero-Gala´n E, Alegre-Cebollada J, Garcı´ a- OrtegaL, On˜aderra ... inHtA replaces a tyrosine of a- sarcin, and the aromaticring of F126, close to the catalytic H113, replaces a leucine side chain in a- sarcin in a similar arrangementto that found in RNase T1. ... were analyzed in a semi-automated iterative mannerby cyana 2.1 [38]. The NOE coordinates and intensitiesused as input for automated analysis were generated auto-matically by Sparky based on the...