Characterization of a deficiency of N6-(delta 2-isopentenyl)-2-methylthioadenosine in the Escherichia coli mutant trpX by use of antibodies to N6-(delta 2-isopentenyl)adenosine.

Abstract

Aew (or Asa,) unit, that amount of material which has an absorbance of 1 at 260 nm