Z-DL-valine
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Z-DL-valine

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Category
CBZ-Amino Acids
Catalog number
BAT-003302
CAS number
3588-63-4
Molecular Formula
C13H17NO4
Molecular Weight
251.30
Z-DL-valine
IUPAC Name
3-methyl-2-(phenylmethoxycarbonylamino)butanoic acid
Synonyms
Z-DL-Val-OH; N-Carbobenzoyl-DL-Valine; 2-(((Benzyloxy)Carbonyl)Amino)-3-Methylbutanoic Acid
Appearance
White to off-white powder
Purity
≥ 98% (HPLC)
Density
1.182 g/cm3
Melting Point
76-80 °C
Storage
Store at 2-8°C
InChI
InChI=1S/C13H17NO4/c1-9(2)11(12(15)16)14-13(17)18-8-10-6-4-3-5-7-10/h3-7,9,11H,8H2,1-2H3,(H,14,17)(H,15,16)
InChI Key
CANZBRDGRHNSGZ-UHFFFAOYSA-N
Canonical SMILES
CC(C)C(C(=O)O)NC(=O)OCC1=CC=CC=C1
1. δ-(L-α-aminoadipyl)-L-cysteinyl-D-valine synthetase (ACVS): discovery and perspectives
Kapil Tahlan, Marcus A Moore, Susan E Jensen J Ind Microbiol Biotechnol. 2017 May;44(4-5):517-524. doi: 10.1007/s10295-016-1850-7. Epub 2016 Oct 20.
The δ-(L-α-aminoadipyl)-L-cysteinyl-D-valine (ACV) tripeptide is the first dedicated intermediate in the biosynthetic pathway leading to the penicillin and cephalosporin classes of β-lactam natural products in bacteria and fungi. It is synthesized nonribosomally by the ACV synthetase (ACVS) enzyme, which has been purified and partially characterized from many sources. Due to its large size and instability, many details regarding the reaction mechanism of ACVS are still not fully understood. In this review we discuss the chronology and associated methodology that led to the discovery of ACVS, some of the main findings regarding its activities, and some recent/current studies being conducted on the enzyme. In addition, we conclude with perspectives on what can be done to increase our understating of this very important protein in the future.
2. Surface-anchored poly(acryloyl-L(D)-valine) with enhanced chirality-selective effect on cellular uptake of gold nanoparticles
Jun Deng, Sai Wu, Mengyun Yao, Changyou Gao Sci Rep. 2016 Aug 17;6:31595. doi: 10.1038/srep31595.
Chirality is one of the ubiquitous phenomena in biological systems. The left handed (L-) amino acids and right handed (D-) sugars are normally found in proteins, and in RNAs and DNAs, respectively. The effect of chiral surfaces at the nanoscale on cellular uptake has, however, not been explored. This study reveals for the first time the molecular chirality on gold nanoparticles (AuNPs) functions as a direct regulator for cellular uptake. Monolayers of 2-mercaptoacetyl-L(D)-valine (L(D)-MAV) and poly(acryloyl-L(D)-valine (L(D)-PAV) chiral molecules were formed on AuNPs surface, respectively. The internalized amount of PAV-AuNPs was several times larger than that of MAV-AuNPs by A549 and HepG2 cells, regardless of the chirality difference. However, the D-PAV-AuNPs were internalized with significantly larger amount than the L-PAV-AuNPs. This chirality-dependent uptake effect is likely attributed to the preferable interaction between the L-phospholipid-based cell membrane and the D-enantiomers.
3. Equilibrium and Kinetic Study of l- and d-Valine Adsorption in Supramolecular-Templated Chiral Mesoporous Materials
Yanan Huang, Alfonso E Garcia-Bennett Molecules. 2021 Jan 11;26(2):338. doi: 10.3390/molecules26020338.
Adsorption kinetic studies are conducted to investigate the potential to use chiral mesoporous materials nanoporous guanosine monophosphate material-1 (NGM-1) and nanoporous folic acid material-1 (NFM-1) for the enantiomeric separation of l- and d-valine. A pseudo-second-order (PSO) kinetic model is applied to test the experimental adsorption equilibrium isotherms, according to both the Langmuir and Freundlich models and the characteristic parameters for each model are determined. The calcined versions of both NGM-1 and NFM-1 fit the Langmuir model with maximum sorption capacities of 0.36 and 0.26 g/g for the preferred adsorption enantiomers, d-valine and l-valine, respectively. Experimental results and the analysis of adsorption models suggest a strong adsorbate-adsorbent interaction, and the formation of a monolayer of tightly packed amino acid on the internal mesopore surface for the preferred enantiomers.
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