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. 2012 Jan 5;11(6):M111.015131. doi: 10.1074/mcp.M111.015131

Table I. Result summary for the different N termini characterized for both the Arabidopsis and the human sample.

The NME percentage is the ratio of the modified proteins over the number of identified proteins, whereas the percentage of the different N termini is the ratio over the sum of all of the N termini characterized. Because a few proteins were identified with more than a single downstream NAA peptide (especially for the Arabidopsis sample), percentage values exceed 100%.

Modification Modified peptides
Identified proteins
A. thaliana H. sapiens A. thaliana H. sapiens
Hits % mod Hits % mod
NME 542 68.6% 489 72.6% 790 674
Free NT 13 1.6% 36 4.9%
N-Myr 5 0.6% 3 0.4%
Protein NTA 777 98.4% 648 87.3%
dNTA 277 25.8% 55 7.4% 224 55
Total 1072 742 1007 715
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