Example sentences for: covalent

How can you use “covalent” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • For Corning slides, over-irradiation (150-450 mJ/cm 2) results in a decrease in the hybridization signal that may reflect excessive covalent attachment of oligonucleotides.

  • The well-known ubiquitin-dependent pathway involves the covalent attachment of ubiquitin to substrate proteins to form polyubiquitin chain, which then targets the marked substrates to proteasome for degradation [ 17 19 20 ] . The ubiquitin-independent pathway is not well defined, but involves targeting proteins other than ubiquitin.

  • Human Fhit protein, a member of the Fhit branch of the histidine triad superfamily of nucleotide-binding proteins, binds and hydrolyzes diadenosine polyphosphates such as ApppA and AppppA ( 1 ) into AMP plus ADP and ATP, respectively [ 8 9 10 ] . His96, which is responsible for covalent catalysis and more than 4× 10 6-fold of rate enhancement in ApppA hydrolysis [ 9 11 12 13 ] , is nonetheless dispensable for ApppA-binding and tumor suppression, suggesting that Fhit function in tumor suppression depends on formation of an E-S complex [ 2 12 ] . If Fhit-substrate complexes promote tumor suppression by stimulating a pro-apoptotic effector, then Fhit inhibitors that resemble natural substrates may promote Fhit function.

  • Whereas noncovalent interactions appear to be the predominant mechanism for oligonucleotide attachment, covalent linkage is likely to have an important supplementary role in UV-irradiated microarrays.

  • This is in agreement with the expectations from the covalent bond structure.


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