Words similar to tryptophan
Example sentences for: tryptophan
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Yeast colonies which grew on tryptophan minus plates represented vectors which had recircularized by homologous recombination with these PCR fragments [ 35 ] . DNA from these colonies was transformed into E. coli STBL 2 cells (Life Technologies, Inc.) to make sufficient quantities of dengue recombinant, genomic-length DNAs for characterization and analysis.
The broad biological impact of host tryptophan catabolism is further illustrated by the hypothesis that tryptophan catabolism localized in placental tissue provides a mechanism (suppression of lymphocyte proliferation [ 22]) to prevent immune rejection of the mammalian fetus [ 23].
In their genomes outside the supraoperon boundaries, Nostoc and Anabaena possess a full complement of genes for biosynthesis of tryptophan, tyrosine and phenylalanine.
Starvation for host-derived L-tryptophan, which is initiated by induction of indoleamine dioxygenase by IFN-γ, undoubtedly triggers derepression of the entire tryptophan operon, including the genes encoding PRPP synthase and kynureninase.
Although there are few amino acid positions within the HMG-box motif that are conserved throughout the HMG-box protein superfamily, there are highly conserved residues within sequence-dependent and sequence-independent subgroups [ 21 ] . The vast majority of HMG-boxes have a tryptophan in helix 2, often as part of a GXXW motif (where X denotes any amino acid) [ 3 5 ] . Similarly, TOX has a tryptophan at this position, although as part of the less commonly found AXXW sequence.
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