Sentences with phrase «trimethoxybenzyl pyrimidine»

The radiation and harsh temperatures broke down pyrimidine in the ice and formed new compounds related to life, such as uracil and cytosine.

Frozen in ice under ultraviolet radiation, high vacuum and low temperature, the pyrimidine turned into uracil, cytosine and thymine, major components of earthly DNA and RNA.

Scientists at the NASA Ames Research Center went even further in 2015 when they exposed the organic molecule pyrimidine, found in meteorites, to interstellar conditions.

Reducing this variation by RY recoding of purines (R) and pyrimidines (Y) on the third codon position (SM4) made the c123 tree topology more similar to the c12 topology (Fig. 2 and fig.

75 children were administered cranberry extract, while the other 117 were administered trimethoprim, a bacteriostatic antibiotic derived from trimethoxybenzyl pyrimidine, used almost exclusively to treat urinary infections.

TAR RNA forms a stable hairpin that includes a six - residue loop, a trinucleotide pyrimidine bulge, and extensive duplex structure.

In others, they changed pyrimidine RNA nucleotides, with cytidine or uracil bases, into pyrimidine DNA nucleotides with cytidine or thymidine bases.

Using an antibody test, the researchers found 40 % to 50 % fewer pyrimidine dimers in the treated skin samples.

For example, a recent patent application provided a series of variously substituted pyrimidines claimed as CXCR4 antagonists.

Large - scale and effective studies of biological molecules with a different structural basis such as proteins, nucleic acids, carbohydrates, lipids and numerous metabolites (including e.g. fatty acids, amino acids, purines, pyrimidines or steroids) is currently highly attractive because of the availability of modern instruments and tools for both separation and analysis (2 - D chromatographs, capillary electrophoresis systems, microfluidics, mass spectrometers, powerful NMR spectrometers, DNA / RNA arrays and others).

So far, our structures span protein families such as cyclophilins, kinases and proteases as well as pathways for biosynthesis, salvage and metabolism of isoprenoids, fatty acids, phospholipids, pyrimidines, purines and polyamines.

According to enzyme classification, ENTPD8 is involved in purine and pyrimidine metabolism.

Pyriproxyfen is a pyrimidine derivative which prevents the larvae developing into adulthood and stops reproduction.