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Key Documents

91917

Sigma-Aldrich

5,5,5-三氟-DL-亮氨酸

≥98.0% (sum of isomers, HPLC)

同義詞:

(±)2-氨基-4-(三氟甲基)戊酸

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About This Item

經驗公式(希爾表示法):
C6H10F3NO2
CAS號碼:
分子量::
185.14
MDL號碼:
分類程式碼代碼:
12352209
eCl@ss:
32160406
PubChem物質ID:
NACRES:
NA.22

化驗

≥98.0% (sum of isomers, HPLC)

形狀

crystals

反應適用性

reaction type: solution phase peptide synthesis

應用

peptide synthesis

SMILES 字串

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 密鑰

XFGVJLGVINCWDP-UHFFFAOYSA-N

一般說明

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.

應用

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

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析證明 (COA)

Lot/Batch Number

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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-
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
E Casalone et al.
Research in microbiology, 148(7), 613-623 (1998-10-10)
Eighteen mutants resistant to 5',5',5'-trifluoroleucine (TFL), a leucine analog, were isolated in Saccharomyces cerevisiae strains YNN281 and YNN282. The mutants were characterized genetically and clustered in two groups, one comprising all the dominant (TFL1) and the other one all the
B Bendoni et al.
FEMS microbiology letters, 180(2), 229-233 (1999-11-11)
The resistance to 5,5,5-trifluoro-DL-leucine, encoded by the dominant allele LEU4-1, was used as a selectable marker to transform laboratory and natural Saccharomyces cerevisiae strains by the lithium acetate procedure. Results of transformation of S. cerevisiae laboratory and wine natural strains
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

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