Words similar to kprs
Example sentences for: kprs
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kynU encoding kynureninase and kprS (alternative name: prsA ) encoding PRPP synthase are located at the 3' end of the C. psittaci trp operon (see Figure 1).
A rationale for inclusion of kprS and kynU in the C. psittaci tryptophan operon can be visualized from an examination of Figure 2. The ability of C. psittaci to synthesize L-tryptophan requires an alternative source of anthranilate (other than chorismate) as C. psittaci lacks anthranilate synthase.
Not only does it contain genes ( kynU and kprS ) that are not components of the classical tryptophan operon, but these genes are not even present in other chlamydiae.
PRPP input is required for the TrpB-catalyzed step, and thus it was necessary for C. psittaci to recruit PRPP synthase ( kprS ) to the operon.