Protein methylation, catalyzed by highly specific methyltransferase enzymes, is a relatively common post-translational modification and plays an important role in various biological processes. Dimethylation occurs most frequently at arginine and lysine residues. Lit.



Type
Incomplete
pKa1
None
pKa2
None
pKa3
None
NativeCharge
Loss
H2
Gain
C2H6
Deltamass
Monoisotopic
28.031300128284
Average
28.0532348091162
UVSpec
λ
/ nm 		ε
/ M-1 cm-1
214 0
240 0
245 0
250 0
255 0
260 0
265 0
270 0
272 0
274 0
276 0
278 0
280 0
282 0
284 0
286 0
288 0
290 0
292 0
294 0
296 0
298 0
300 0
302 0
304 0
306 0
308 0
310 0
312 0
314 0
316 0
318 0
320 0
H
AA
R, K, ^
Pattern
[KR]