Asparaginyl-glycine
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| Category | Others |
| Catalog number | BBF-05530 |
| CAS | 67576-72-1 |
| Molecular Weight | 189.17 |
| Molecular Formula | C6H11N3O4 |
| Purity | ≥95% |
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Description
Asparaginyl-glycine is a dipeptide composed of asparagine and glycine. It is an incomplete breakdown product of protein digestion or protein catabolism.
Specification
| Synonyms | Glycine, N-L-asparaginyl-; H-NG-OH; L-asparagyl-glycine; L-asparaginylglycine; Asn-Gly; L-Asn-Gly; (S)-2-(2,4-Diamino-4-oxobutanamido)acetic acid |
| Sequence | H-Asn-Gly-OH |
| IUPAC Name | 2-[[(2S)-2,4-diamino-4-oxobutanoyl]amino]acetic acid |
| Canonical SMILES | C(C(C(=O)NCC(=O)O)N)C(=O)N |
| InChI | InChI=1S/C6H11N3O4/c7-3(1-4(8)10)6(13)9-2-5(11)12/h3H,1-2,7H2,(H2,8,10)(H,9,13)(H,11,12)/t3-/m0/s1 |
| InChI Key | KLKHFFMNGWULBN-VKHMYHEASA-N |
Properties
| Appearance | Solid |
| Boiling Point | 636.6±55.0°C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Solubility | Soluble in Water |
Reference Reading
1. Prothymosin alpha is processed to thymosin alpha 1 and thymosin alpha 11 by a lysosomal asparaginyl endopeptidase
Concepción S Sarandeses, Guillermo Covelo, Cristina Díaz-Jullien, Manuel Freire J Biol Chem. 2003 Apr 11;278(15):13286-93. doi: 10.1074/jbc.M213005200. Epub 2003 Jan 28.
Thymosin alpha(1) (T alpha(1)) and thymosin T alpha(11) (T alpha(11)) are polypeptides with immunoregulatory properties first isolated from thymic extracts, corresponding to the first 28 and 35 amino acid residues, respectively, of prothymosin alpha (ProT alpha), a protein involved in chromatin remodeling. It has been widely supposed that these polypeptides are not natural products of the in vivo processing of ProT alpha, since neither was found in extracts in which proteolysis was prevented. Here we show that a lysosomal asparaginyl endopeptidase is able to process ProT alpha to generate T alpha(1) and T alpha(11). In view of its catalytic properties and structural and immunological analyses, this protease was identified as mammalian legumain. It selectively cleaves some of the asparaginyl-glycine residues in the ProT alpha sequence; specifically, Asn(28)-Gly(29) and Asn(35)-Gly(36) residues are cleaved with similar efficiency in vitro to generate T alpha(1) and T alpha(11), respectively. By contrast T alpha(1) is the main product detected in vivo, free in the cytosol, at concentrations similar to that of ProT alpha. The data here reported demonstrate that T alpha(1) is not an artifact but rather is naturally present in diverse mammalian tissues and raise the possibility that it has a functional role.
2. Thermodynamics and Mechanisms of Protonated Asparaginyl-Glycine Decomposition
Georgia C Boles, R R Wu, M T Rodgers, P B Armentrout J Phys Chem B. 2016 Jul 14;120(27):6525-45. doi: 10.1021/acs.jpcb.6b03253. Epub 2016 Jul 5.
Deamidation at asparagine residues, a spontaneous post-translational modification in proteins, plays a significant role in various biological processes and degenerative diseases. In the current work, we present a full description of the deamidation process as well as other key fragmentations (dehydration, peptide bond cleavage, and loss of 2 NH3) from protonated asparaginyl-glycine, H(+)(AsnGly), by studying its kinetic energy dependent collision-induced dissociation (CID) with Xe using a guided ion beam tandem mass spectrometer. These results are compared with those for sustained off-resonance irradiation (SORI)-CID of H(+)(AsnGly) with Ar in a Fourier transform ion cyclotron resonance mass spectrometer. Computationally, simulating annealing methodology and a series of relaxed potential energy scans at the B3LYP/6-31G(d) level were performed to identify all intermediate and transition state (TS) structures for each key reaction. All species were further optimized at the B3LYP and B3LYP-GD3BJ/6-311+G(d,p) levels of theory. Single point energies of all major reaction species were calculated at the B3LYP, B3P86, MP2(full), and B3LYP-GD3BJ levels of theory and using M06-2X for rate-limiting species. Relative energies of intermediates, TSs, and products allow characterization of the elementary and rate limiting steps in H(+)(AsnGly) decomposition. By combining experimental and computational results, the complete mechanistic nature of H(+)(AsnGly) deamidation and other fragmentations is explored and compared to the previously studied H(+)(Asn) complex. The influence of water solvation on key TSs is also explored. On a fundamental level, this analysis will aid in understanding the thermodynamic and kinetic characteristics of the key intramolecular interactions involved in deamidation, dehydration, and other important fragmentations of peptides.
3. Serum Metabonomics of Articular Cartilage Destruction Induced by T-2 Toxin in Wistar Rats
Lei Zhu, Zhi Jun Zhao, Xiao Bin Ren, Qiang Li, Hua Ding, Zhou Sun, Qing Jun Kao, Li Hua Wang Biomed Environ Sci. 2018 Jan;31(1):76-80. doi: 10.3967/bes2018.009.
The molecular pathogenesis of T-2 toxin-induced cartilage destruction has not been fully unraveled yet. The aim of this study was to detect changes in serum metabolites in a rat anomaly model with articular cartilage destruction. Thirty healthy male Wistar rats were fed a diet containing T-2 toxin (300 ng/kg chow) for 3 months. Histopathological changes in femorotibial cartilage were characterized in terms of chondrocyte degeneration/necrosis and superficial cartilage defect, and the endogenous metabolite profile of serum was determined by UPLC/Q-TOF MS. Treated rats showed extensive areas of chondrocyte necrosis and superficial cartilage defect in the articular cartilage. In addition, 8 metabolites were found to change significantly in these rats compared to the control group, including lysoPE (18:0/0:0), lysoPC(14:0), lysoPC[18:4 (6Z,9Z,12Z,15Z)], lysoPC[(16:1(9Z)], lysoPC(16:0), L-valine, hippuric acid, and asparaginyl-glycine. These 8 metabolites associated with cartilage injury are mainly involved in phospholipid and amino acid metabolic pathways.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
