Biological significance of isoaspartate and its repair system

T Shimizu, Y Matsuoka, T Shirasawa - … and Pharmaceutical Bulletin, 2005 - jstage.jst.go.jp
Isomerization of L-aspartate and deamidation of L-asparagine in proteins or peptides
dominantly give rise to L-isoaspartate by a non-enzymatic reaction via succinimide as a …

Deamidation: Differentiation of aspartyl from isoaspartyl products in peptides by electron capture dissociation

JJ Cournoyer, JL Pittman, VB Ivleva, E Fallows… - Protein …, 2005 - Wiley Online Library
Deamidation of asparaginyl and isomerization of aspartyl residues in proteins proceed
through a succinimide intermediate producing a mixture of aspartyl and isoaspartyl residues …

Effects of sucrose and mannitol on asparagine deamidation rates of model peptides in solution and in the solid state

B Li, MH O'Meara, JW Lubach, RL Schowen… - Journal of …, 2005 - Elsevier
Asparagine (Asn) degradation kinetics in two model peptides, Gly-Gln-Asn-Gly-Gly
(GQNGG) and Val-Tyr-Pro-Asn-Gly-Ala (VYPNGA), were studied at 50° C in pH 7 buffer …

Deamidation and disulfide bridge formation in human calbindin D28k with effects on calcium binding

C Vanbelle, F Halgand, T Cedervall, E Thulin… - Protein …, 2005 - Wiley Online Library
Calbindin D28k (calbindin) is a cytoplasmic protein expressed in the central nervous system,
which is implied in Ca2+ homeostasis and enzyme regulation. A combination of biochemical …

Asparaginyl deamidation in two glutamate dehydrogenase isoenzymes from Saccharomyces cerevisiae

A DeLuna, H Quezada, A Gómez-Puyou… - … and biophysical research …, 2005 - Elsevier
The non-enzymatic deamidation of asparaginyl residues is a major source of spontaneous
damage of several proteins under physiological conditions. In many cases, deamidation and …

Spontaneous chemical reversion of an active site mutation: deamidation of an asparagine residue replacing the catalytic aspartic acid of glutamate dehydrogenase

F Paradisi, JLE Dean, KF Geoghegan, PC Engel - Biochemistry, 2005 - ACS Publications
A mutant (D165N) of clostridial glutamate dehydrogenase (GDH) in which the catalytic Asp
is replaced by Asn surprisingly showed a residual 2% of wild-type activity when purified after …

[图书][B] Mechanistic studies of dephosphorylation for bacterial chemotaxis response regulator CheY

DJ Webre - 2005 - search.proquest.com
Post-translational modifications of proteins by phosphorylation and methylation are
employed to transduce information in living organisms. Enteric bacteria such as Escherichia …

[图书][B] Proteomics methods for detection of modified peptides

BT Hansen - 2005 - search.proquest.com
The recent emergence of the field of proteomics has been driven by advances in mass
spectrometry methods and instrumentation. Due to the large amount of data generated …

[引用][C] D-Amino acid biosystem. Biological significance of isoaspartate and its repair system

T Shimizu, Y Matsuoka, T Shirasawa - Biol Pharm Bull, 2005