نتایج جستجو برای: carbamylation
تعداد نتایج: 238 فیلتر نتایج به سال:
AIMS Cardiovascular events remain the leading cause of death in Western world. Atherosclerosis is the most common underlying complication driven by low-density lipoproteins (LDL) disturbing vascular integrity. Carbamylation of lysine residues, occurring primarily in the presence of chronic kidney disease (CKD), may affect functional properties of lipoproteins; however, its effect on endothelial...
The ternary complex consisting of a 65-kDa peptide originating from the proteoglycan core protein and a 43-kDa link protein bound to hyaluronic acid was purified from a clostripain digest of the rat chondrosarcoma aggregating proteoglycan and 14C-carbamylated with potassium [14C]cyanate. At a pH of 8.0, 14C-carbamylation of the alpha-NH2 groups in the N-terminal amino acids was favored over car...
Affinity labeling and comparative sequence analyses have placed Lys-166 of ribulosebisphosphate carboxylase/oxygenase from Rhodospirillum rubrum at the active site. The unusual nucleophilicity and acidity of the epsilon-amino group of Lys 166 (pKa = 7.9) suggest its involvement in catalysis, perhaps as the base that enolizes ribulosebisphosphate (Hartman, F.C., Milanez, S., and Lee, E.H. (1985)...
There is increasing evidence that proteins in tubular fluid are "nephrotoxic." In vivo it is difficult to study protein loading of tubular epithelial cells in isolation, i.e., without concomitant glomerular damage or changes of renal hemodynamics, etc. Recently, a unique amphibian model has been described which takes advantage of the special anatomy of the amphibian kidney in which a subset of ...
The simultaneous application of chemical modification of primary amines and the insertion of a lgF probe have been used to detect the nature and physical properties of the amino group influencing a selected region of the active center of the enzyme aspartate aminotransferase. The enzyme, carbamylated at the NH,-terminal alanine (transaminase’, produced from cyanate-treated holoenzyme) or at the...
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