2-pyrrolidone-5-carboxylic acid (Gln)
A protein modification that effectively converts an L-glutamine residue to 2-pyrrolidone-5-carboxylic acid.
DeltaMass gives a formula C 5 H 5 N 1 O 2 with mass 111.1
Exact Synonyms
(2S)-5-oxo-2-pyrrolidinecarboxylic acid
2-oxopyrrolidine-5-carboxylic acid
2-pyrrolidone-5-carboxylic acid
5-oxoproline
5-oxopyrrolidine-2-carboxylic acid
5-pyrrolidone-2-carboxylic acid
MOD_RES Pyrrolidone carboxylic acid
N-pyrrolidone carboxyl (N terminus)
ntermpeppyroq
PCA
PyrGlu(Gln)
Pyroglutamic Acid formed from Gln
pyroglutamic acid
Pyroglutamyl
Related Synonyms
Gln->pyro-Glu
Pyro-glu from Q
class Information
DiffAvg
-17.03
DiffFormula
C 0 H -3 N -1 O 0
DiffMono
-17.026548
Formula
C 5 H 6 N 1 O 2
has_dbxref
- Unimod:28
- uniprot.ptm:PTM-0261
has_obo_namespace
PSI-MOD
in_subset
MassAvg
112.11
MassMono
112.039856
Origin
Q
Source
natural
TermSpec
N-term