Sentence examples for modification sites were from inspiring English sources

A total of 1428 acetylated proteins with 3163 unique modification sites were identified, which is dramatically higher than those in other previously reported microorganisms (Table 1).

The results showed that 52% of proteins contained only one acetylation site, and the percentage of proteins with two, three, four and five or more modification sites were 21, 12, 6, and 9%, respectively (Fig. 4a).

Also, a few new DMS modification sites were found under such condition, suggesting changes in local structure due to protein binding.

These modification sites were confirmed by the LC-MS experiment using two synthetic standards.

Fifty modification sites were identified in 45CBS, and four of them were not labeled in wtCBS.

In general, mass spectrometric measurements were satisfactorily reproducible; i.e., modification sites were determined identically in the repeated experiments.

The identification of protein modification sites is an important step toward understanding the biological role of covalent modifications.

Most modification sites are in the C-terminal domain, although a modification site at human topoIIα residue S29 that is a substrate for protein kinase C has also been identified [6].

Post-translational modification sites are frequently marked by short conserved motifs in a variety of protein matrices (e.g. [7], [8]), and sites of cuticular protein modification or cross-linking are likely to be similarly conserved.

Because PHB (as well as few other insulin signaling intermediates such as IRS, Akt, GLUT4 etc) undergoes both O-GlcNAc modification and tyrosine phosphorylation and these modification sites are either adjacent or in the close proximity to each other we hypothesize that O-GlcNAc modification and tyrosine phosphorylation may be a previously unidentified novel binary switch.

Perhaps proximity of the two modification sites is important.