Classification based on Type of Modifications
It allow to browse the peptides of SATPdb based on residue modifications (terminal/chemical modifications) present in a peptide. There are wide range of residue modifications present in SATPdb peptides. For more information see HELP page.
Summary of Peptides having N-terminal Modifications
N terminal modifications | Number of entries |
Free | 17950 |
Acetylation | 448 |
Labelled with fluorescein | 219 |
Biotinylated | 82 |
benzyloxycarbonyl | 37 |
Labelled with K-FITC or k-FITC at N-terminus | 44 |
benzoyl | 36 |
FITC labeling | 38 |
Labeled with Biotinyl-bAla | 36 |
Beta-alanine | 3 |
Formylation | 4 |
Labelled with fluorescein with aminohexanoic space | 27 |
Biotin labeling | 26 |
o-aminobenzoic acid | 21 |
Morpholino-CO | 6 |
Lysine N-trimethylation | 1 |
Others | 369 |
Summary of Peptides having C-terminal Modifications
C terminal modifications | Number of entries |
Free | 15897 |
Amidation | 3104 |
Al=aldehyde | 15 |
Carboxamide | 2 |
CH2F | 13 |
Fusion with beta-Gal | 15 |
Unknown | 14 |
C-terminal Gly Cys amide labelled with fluorescein | 13 |
Cysteamide group | 11 |
OtBu | 10 |
Others | 122 |
Summary of Peptides having Modified Residues
Nonnatural/Chemical modifications | Number of entries |
---|
None | 17783 |
4-hydroxyproline | 266 |
Cα -dialkylated glycine (Aaa2,2 ) | 4 |
pyroglutamine | 111 |
Gamma carboxylic glutamic acid (Gla) | 69 |
Cαα -dialkylated glycine (Aaa1,1 ) | 3 |
norleucine | 55 |
homophenylalanine | 10 |
3-nitrotyrosine | 21 |
Lysine Nε-Trimethylation | 1 |
S-acetamidomethyl cysteine | 20 |
Others | 1232 |