A post-translational modification of proteins in which a serine, threonine or tyrosine residue is phosphorylated by a protein kinase by the addition of a covalently bound phosphate group.

Type

Predefined

pKa1

Acidic
6.9

pKa2

Acidic
1.2

pKa3

None

NativeCharge

Loss

Gain

H₂PO₃

Deltamass

Monoisotopic
79.9663305227558
Average
79.9799171677248

UVSpec

Display

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

Y, S, T

Pattern

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

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

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