Welcome to Browse by modification page of SAPdb

This page provides the option to browse the peptides of SAPdb based on the modifications (terminal/nonterminal modifications) present in the peptide. For more information see HELP page.


Summary of Peptides having N-terminal Modifications

N-terminal modifications

Number of entries

Free

491

Fmoc or N-(fluorenyl-9-methoxycarbonyl)

162

Boc (N-t-Butoxycarbonyl)

122

Napthalene and its derivatives

90

Acetylation

46


Summary of Peptides having C-terminal Modifications

C-terminal modifications

Number of entries

Free

812

Methoxylation or methyl esterfication

73

Amidation

49

Acetylation

46

Benzylation

33

4-Azido

10


Summary of Peptides having Non-natural Amino acids

Chemical modifications within sequence

Number of entries

Dehydrophenylalanine (ΔPhe)

30

Beta-Alanine

16

Amino Benzoic acid (ABA)

9

Amino isobutyric acid (Aib)

9

Cyclohexylalanine (Cha)

3

Phenylglycine (Phg)

2

Norvaline (Nva)

1

L-2-naphthylalanine (Nal)

1