PTM General Information
PTM Description Ubiquitinathreonine
Modified Amino Acid T
Position of Modification on Amino Acid amino-acid side chain
Position in the Polypeptide any position
Correction Formula H-4;O-1
Monoisotopic Mass Difference -20.0262
Average Mass Difference -20.03
Localization cytoplasm, nucleus, mitochondrial matrix, etc. [Detail]
RESID ID AA0483
Formula Structure
Formula 3D Structure
Substrate Site Specificity
Number of Experimentally Validated Sites126
The Matrix of Positional Amino Acid Frequency Surrounding Modified Site
Pos.-6-5-4-3-2-10+1+2+3+4+5+6
A0.130.10.0600.1000.060.030.030.030.030.03
R0.030.10.10.160.03000.060.060.130.060.130.03
N0.0600.0300.030.0600.0300.060.030.030.03
D0.060.160.0600.030.0600.030.10.130.10.060.19
C0.030.030.030.0300.16000.060000.03
G0.130.130.060.0600.0300.030.130.130.10.10.03
E0.10.0300.030.1000.030.030.030.030.030.06
Q0.030.030.06000.0300.0600.030.060.030
H000.030000000.03000.03
I0.06000.030.060.0600.030.060.03000.06
L0.030.030.030.130.10.100.130.060.0300.190.1
K0.030.060.060.030.060.1000.030.10.060.030
M0.0300.0300.03000000.0300
F00.0300.030.03000.100.03000.03
P0.060.030.060.230.10.0300.350.10.060.030.160.13
S0.060.10.160.030.190.23000.130.10.130.030.16
T0.060.030.10.060.10.1000.130.030.160.030.03
W0.030.060000.03000000.060
Y000.060.030.0300000.03000
V0.030.060.030.130000.060.0600.160.060.03
Sequence Logo

Average Solvent Accessibility Surrounding Modified Site
Secondary Structure Logo




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