General Information
PTM Description
Tryptophan amide
Modified Amino Acid
W
Position of Modification on Amino Acid
protein backbone
Position in the Polypeptide
C-terminal carboxyl group
Correction Formula
H1;N1;O-1
Monoisotopic Mass Difference
-0.984016
Average Mass Difference
-0.98
Localization
extracellular and lumenal localisation [Detail]
RESID IDAA0098
Formula Structure
Formula 3D Structure
Substrate Site Specificity
Number of Experimentally Validated Sites71
The Matrix of Positional Amino Acid Frequency Surrounding Modified Site
Pos.-6-5-4-3-2-10
A0.03000.230.050.050
R00.050.2300.0300
N00.3600.0800.180
D00.050000.150
C0.0500.030000
G0.130000.030.460
E0.0300.050.03000
Q0.0800.030000
H0.03000.03000
I00000.0300
L0.4100.0800.0300
K0.030.3300.03000
M000.030.08000
F000.460000
P00000.6200
S00.0300.360.10.030
T00.1500.150.10.030
W0.080.030000.030
Y000.10000
V0.15000.030.030.080
Sequence Logo

Average Solvent Accessibility Surrounding Modified Site
Secondary Structure Logo