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L-Lysine

$58

  • Brand : BIOFRON

  • Catalogue Number : BD-P0634

  • Specification : 95.0%(HPLC)

  • CAS number : 56-87-1

  • Formula : C6H14N2O2

  • Molecular Weight : C6H14N2O2

  • Volume : 1000mg

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Catalogue Number

BD-P0634

Analysis Method

Specification

95.0%(HPLC)

Storage

2-8°C

Molecular Weight

C6H14N2O2

Appearance

Botanical Source

Structure Type

Amino Acids/Peptides

Category

SMILES

C(CCN)CC(C(=O)O)N

Synonyms

L-lys/Lisina [Spanish]/6-Amino-L-norleucine/(+)-S-Lysine/Lys/L-Lysine (9CI)/(l)-lysine/(S)-(+)-Lysine/Aminutrin/Lysine acid/(S)-a,e-Diaminocaproic Acid/Lysinum/(S)-lysine/Lysine/2,6-Diaminohexanoic acid, (S)-/(S)-2,6-diamino-Hexanoic acid/L-Lysine/Lysine, L-/H-Lys-OH/L-lysine zwitterion

IUPAC Name

Applications

Density

1.1±0.1 g/cm3

Solubility

Aqueous acid; Water

Flash Point

142.2±25.1 °C

Boiling Point

311.5±32.0 °C at 760 mmHg

Melting Point

215 °C (dec.)(lit.)

InChl

InChl Key

WGK Germany

RID/ADR

HS Code Reference

Personal Projective Equipment

Correct Usage

For Reference Standard and R&D, Not for Human Use Directly.

Meta Tag

provides coniferyl ferulate(CAS#:56-87-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate

No Technical Documents Available For This Product.

PMID

32006927

Abstract

Cadaverine is the monomer of bio-based nylons polyamide 5.4, 5.6 and 5.10. In this study, a litre-scale integrated strategy was developed for high-efficiency and low-cost production of cadaverine using an engineered Escherichia coli. Firstly, the engineered strain BL21-Pcad-CadA induced by cheap l-lysine-HCl instead of IPTG was constructed. Then the permeabilized cells were served as the biocatalyst for the production of cadaverine, because the enhanced permeability facilitated the mass transfer of the substrate and the release of products. After the replacement of industrial materials and the solution of the scale-up permeabilization process, cadaverine concentration reached 205 g/L with the yield of 92.1% after 20 h in a 2 L bioconversion system, achieving the level of industrial production. Furthermore, the costs of industrial materials for 2 L integrated strategy ($2.78) was only 1/11 of the lab reagents ($30.88). Therefore, the proposed strategy is a promising candidate for the industrial process of cadaverine.

Copyright © 2020 Elsevier Ltd. All rights reserved.

KEYWORDS

Cadaverine; Escherichia coli; Industrial materials; Industrial process; Permeabilized cells

Title

High-efficiency and low-cost production of cadaverine from a permeabilized-cell bioconversion by a Lysine-induced engineered Escherichia coli.

Author

Rui J1, You S2, Zheng Y1, Wang C1, Gao Y1, Zhang W3, Qi W4, Su R5, He Z6.

Publish date

2020 Apr

PMID

31902900

Abstract

Enzymatic and post-translational modifications (PTMs) such as ubiquitination, acetylation, and methylation occur at lysine residues. The PTMs play critical roles in the regulation of the protein functions, and thus, various cellular processes. In addition, aberrations of the PTMs are associated with various diseases, such as cancer and neurodegenerative disorders. Therefore, we hypothesized that modulation of the PTMs and normalization of the PTM abnormalities could be useful as methods to control various cellular mechanisms and as a therapeutic strategy, respectively. To modulate the PTMs, we have focused on lysine-modifying enzymes and have pursued drug discovery researches on ubiquitination inducers, lysine deacetylase (KDAC) inhibitors, and lysine demethylase (KDM) inhibitors. For the identification of the modulators, we have used not only conventional drug design, such as structure-based drug design (SBDD) and ligand-based drug design (LBDD), but also “strategic chemistry approaches,” such as drug design based on enzyme catalytic mechanism. As a result, we have identified several modulators which have pharmacological effects in animal models or in cellular studies. In this review, focusing on the drug design based on enzyme catalytic mechanism, our drug discovery researches have been discussed.

KEYWORDS

deacetylase; demethylase; enzyme inhibitor; protein knockdown; proteolysis-targeting chimera (PROTAC); ubiquitin ligase

Title

Drug Discovery Researches on Modulators of Lysine-Modifying Enzymes Based on Strategic Chemistry Approaches.

Author

Itoh Y1.

Publish date

2020

PMID

31846690

Abstract

Upon entering the body, nerve agents can bind active amino acid residues to form phosphonylated adducts. Tabun derivatives (O-alkyl-N,N-dialkyl phosphoroamidocyanidates) have strikingly different structural features from other G-series nerve agents, such as sarin and soman. Here, we investigate the binding mechanism for the phosphonylated adducts of nerve agents of tabun derivatives. Binding sites for three tabun derivatives, O-ethyl-N,N- dimethyl phosphoramidocyanidate (GA), O-ethyl-N,N-ethyl(methyl) phosphoramidocyanidate, and O-ethyl-N,N-diethylphosphoramidocyanidate were studied. Quadrupole-orbitrap mass spectrometry (Q-Orbitrap-MS) coupled to proteomics was used to screen adducts between tabun derivatives and albumin, immunoglobulin, and hemoglobin. The results reveal that all three tabun derivatives exhibit robust selectivity to lysine residues, rather than other amino acid residue types. A set of 10 lysine residues on human serum albumin are labeled by tabun derivatives in vitro, with K525 (K*QTALVELVK) and K199 (LK*CASLQK) peptides displaying the most reactivity. Tabun derivatives formed stable adducts on K525 and K414 (K*VPQVSTPTLVEVSR) for at least 7 days and on K351 (LAK*TYETTLEK) for at least 5 days in a rabbit model. Three of these peptides-K525, K414, and K351-have the highest homology with human serum albumin of all 5 lysine residues that bound to examined rabbit blood proteins in vivo. Molecular simulation of the tabun-albumin interaction using structural analysis and molecular docking provided theoretical evidence supporting lysine residue reactivity to phosphonylation by tabun derivatives. K525 has the lowest free binding energy and the strongest hydrogen bonding to human albumin. In summary, these findings identify unique binding properties for tabun derivatives to blood proteins.

Copyright © 2019 Elsevier B.V. All rights reserved.

KEYWORDS

Albumin; Lysine adducts; Nerve agents; Q-Orbitrap; Tabun

Title

Protein adduct binding properties of tabun-subtype nerve agents after exposure in vitro and in vivo.

Author

Fu F1, Liu H2, Gao R3, Zhao P4, Lu X5, Zhang R6, Wang L7, Wang H8, Pei C9.

Publish date

2020 Mar 15