1. Table 1. Occurrence of N-X-S/T motives in tryptic peptides1
Glycoproteins from Swiss-Prot DB
Number of proteins
Tryptic petpdies (in-silico digestion)
Percentage
Number of peptides
N-X-S/T containing peptides
Predicted glycoproteins2
15 302
54 000
5,0%
Annotated glycoproteins3
4 492
19 253
7,6%
1. This calculation is based on the Swiss-Prot database (ver ).
2. Proteins containing N-X-S or N-X-T sequons in their amino acid sequences.
3. Proteins annotated as “glycoprotein” in the DB entries.