Epsilon-(gamma-Glutamyl)-lysine
IUPAC 名称
(2S)-2-amino-6-[(4S)-4-amino-4-carboxybutanamido]hexanoic acid
描述
In non-diabetic kidney scarring the protein crosslinking enzyme tissue transglutaminase (tTg) has been implicated in the process by the formation of increased epsilon-(gamma-glutamyl)lysine bonds between ECM components in both experimental and human disease. Changes in tTg and epsilon-(gamma-glutamyl)lysine occur in human Diabetic nephropathy as well, the leading cause of chronic kidney failure. (PMID 15292688)
In Parkinson's disease (PD), conformational changes in the alpha-synuclein monomer precede the formation of Lewy bodies. Both tTG and its substrate-characteristic N(epsilon)-(gamma-glutamyl)-lysine crosslink are increased in PD nigral dopamine neurons. (PMID 15001552)
Expression of tissue transglutaminase (tTgase) and epsilon-(gamma-glutamyl)-lysine was present in all scarring of the blebs sites, being the main cause of failure in glaucoma filtration surgery. Transglutaminases are calcium-dependent enzymes that catalyze the posttranslational modification of proteins through an acyl transfer reaction between the gamma-carboxamide group of a peptide-bound glutaminyl residue and various amines. Covalent cross-linking using epsilon-(gamma-glutamyl)-lysine bonds is stable and resistant to enzymatic, chemical, and mechanical disruption. (PMID: 16936095) [HMDB]
异构
N[C@@H](CCCCNC(=O)CC[C@H](N)C(O)=O)C(O)=O
InChI标识符
InChI=1S/C11H21N3O5/c12-7(10(16)17)3-1-2-6-14-9(15)5-4-8(13)11(18)19/h7-8H,1-6,12-13H2,(H,14,15)(H,16,17)(H,18,19)/t7-,8-/m0/s1
键
JPKNLFVGUZRHOB-YUMQZZPRSA-N