General Information
PTM Description
N-acetylmethionine
Modified Amino Acid
M
Position of Modification on Amino Acid
protein backbone
Position in the Polypeptide
N-terminal amino group
Correction Formula
C2;H2;O1
Monoisotopic Mass Difference
42.0106
Average Mass Difference
42.04
Localization
cytoplasm, nucleus, mitochondrial matrix, etc. [Detail]
RESID IDAA0049
Formula Structure
Formula 3D Structure
Substrate Site Specificity
Number of Experimentally Validated Sites616
The Matrix of Positional Amino Acid Frequency Surrounding Modified Site
Pos.0+1+2+3+4+5+6
A00.010.10.090.10.070.09
R000.020.020.020.020.04
N00.090.040.080.030.030.02
D00.280.060.050.050.050.05
C000.010.010.060.020.06
G000.090.080.080.080.08
E00.390.080.090.10.110.07
Q00.030.050.090.10.070.04
H000.010.010.020.010.03
I00.010.020.040.060.030.03
L00.050.080.070.070.120.1
K00.010.030.040.050.050.06
M00.040.0100.010.020.01
F00.040.010.030.010.020.03
P000.140.060.070.080.07
S00.010.110.080.070.110.1
T00.010.050.070.040.050.04
W000.010000
Y000.010.020.020.010.03
V00.030.050.070.070.040.06
Sequence Logo

Average Solvent Accessibility Surrounding Modified Site
Secondary Structure Logo