Merck
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91917

Sigma-Aldrich

5,5,5-三氟-DL-亮氨酸

≥98.0% (sum of isomers, HPLC)

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别名:
(±)2-氨基-4-(三氟甲基)戊酸
经验公式（希尔记法）:
C6H10F3NO2
CAS号:
2792-72-5
分子量:
185.14
MDL编号:
MFCD00039528
eCl@ss:
32160406
PubChem化学物质编号:
329770097
NACRES:
NA.22

检测方案

≥98.0% (sum of isomers, HPLC)

形式

crystals

反应适用性

reaction type: solution phase peptide synthesis

应用

peptide synthesis

SMILES字符串

CC(CC(N)C(O)=O)C(F)(F)F

InChI

1S/C6H10F3NO2/c1-3(6(7,8)9)2-4(10)5(11)12/h3-4H,2,10H2,1H3,(H,11,12)

InChI key

XFGVJLGVINCWDP-UHFFFAOYSA-N

相关类别

一般描述

5,5,5-Trifluoro-DL-leucine, also known as trifluoroleucine, is an analog of L-leucine amino acid, often used to synthesize highly fluorinated peptides.

应用

5,5,5-trifluoroleucine can be incorporated into the coiled-coil peptides to increase their thermal stability.

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H315 - H319 - H335

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

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Tatyana Panchenko et al.
Biotechnology and bioengineering, 94(5), 921-930 (2006-03-21)
Varied levels of fluorinated amino acid have been introduced biosynthetically to test the functional limits of global substitution on enzymatic activity and stability. Replacement of all the leucine (LEU) residues in the enzyme chloramphenicol acetyltransferase (CAT) with the analog, 5',5',5'-trifluoroleucine
C A Stella et al.
Molecular & general genetics : MGG, 262(2), 332-341 (1999-10-12)
Leucine uptake by Saccharomyces cerevisiae is mediated by three transport systems, the general amino acid transport system (GAP), encoded by GAP1, and two group-specific systems (S1 and S2), which also transport isoleucine and valine. A new mutant defective in both
A Niemz et al.
Journal of the American Chemical Society, 123(30), 7407-7413 (2001-07-27)
We have investigated the effect of trifluoroleucine substitution on the membrane-binding and tetramerization behavior of melittin. Analogues were synthesized in which Leu 9, Leu 13, and all four intrinsic leucine residues of melittin were replaced by 5,5,5-trifluoroleucine. Both the mono-
Takahiro Oba et al.
Bioscience, biotechnology, and biochemistry, 70(7), 1776-1779 (2006-07-25)
We characterized a trifluoroleucine-resistant mutant of Saccharomyces cerevisiae, TFL20, that has a mutation in the LEU4 gene. We monitored the concentration of extracellular i-AmOH and intracellular amino acids, and compared the ratios of gene expression in TFL20 with the wild-type
Y Tang et al.
Biochemistry, 40(9), 2790-2796 (2001-03-22)
Substitution of leucine residues by 5,5,5-trifluoroleucine at the d-positions of the leucine zipper peptide GCN4-p1d increases the thermal stability of the coiled-coil structure. The midpoint thermal unfolding temperature of the fluorinated peptide is elevated by 13 degrees C at 30
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