General Information
PTM Description
Sulfotyrosine
Modified Amino Acid
Y
Position of Modification on Amino Acid
amino-acid side chain
Position in the Polypeptide
any position
Correction Formula
O3;S1
Monoisotopic Mass Difference
79.9568
Average Mass Difference
80.06
Localization
extracellular and lumenal localisation [Detail]
RESID IDAA0172
Formula Structure
Formula 3D Structure
Substrate Site Specificity
Number of Experimentally Validated Sites223
The Matrix of Positional Amino Acid Frequency Surrounding Modified Site
Pos.-6-5-4-3-2-10+1+2+3+4+5+6
A0.140.020.070.030.050.0500.010.010.010.030.040.03
R0.110.030.010.010.05000000.020.010.02
N0.050.030.040.050.010.0300.010.010.030.010.030.03
D0.070.180.10.190.160.5100.240.210.090.160.270.07
C00000.0100000.010.010.010.04
G0.040.050.130.030.050.0100.150.170.080.030.030.08
E0.120.170.190.140.130.0900.090.080.090.160.110.07
Q0.060.010.050.130.120.0300.020.050.020.050.030.01
H0.020.030.010.030.010.03000.0300.010.030.01
I0.030.0700.010.020.0500.040.030.030.020.010.02
L0.030.030.030.030.050.0100.030.030.080.050.030.05
K0.010.01000000.0100.020.020.020.06
M0.030.030.03000.0100.050.010.080.1800.02
F0.040.030.040.050.030.0200.010.030.020.020.090.19
P0.050.050.050.030.060.0300.070.020.060.070.090.1
S0.060.050.110.070.030.0200.030.070.030.040.060.07
T0.070.060.10.050.060.0100.180.030.050.030.030.07
W0.01000.0100000.050.1700.010.01
Y0.020.090.030.110.150.0800.080.150.110.070.070.02
V0.030.030.010.010.010.0100.010.020.010.020.010.01
Sequence Logo

Average Solvent Accessibility Surrounding Modified Site
Secondary Structure Logo