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Merck
CN

47568

Sigma-Aldrich

5-Fluoro-L-tryptophan

≥98.0% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C11H11FN2O2
CAS Number:
16626-02-1
Molecular Weight:
222.22
Beilstein:
5052680
MDL number:
MFCD00066470
UNSPSC Code:
12352202
eCl@ss:
32160406
PubChem Substance ID:
57651014
NACRES:
NA.77

Key Documents

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Quality Level

200

Assay

≥98.0% (HPLC)

form

powder

optical purity

enantiomeric ratio: ≥99.5:0.5 (HPLC)

mp

270-280 °C

storage temp.

2-8°C

SMILES string

N[C@@H](Cc1c[nH]c2ccc(F)cc12)C(O)=O

InChI

1S/C11H11FN2O2/c12-7-1-2-10-8(4-7)6(5-14-10)3-9(13)11(15)16/h1-2,4-5,9,14H,3,13H2,(H,15,16)/t9-/m0/s1

InChI key

INPQIVHQSQUEAJ-VIFPVBQESA-N

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Application

Exogenous 5-fluoro-Trp is incorporated into proteins in normal protein synthesis. Since 19F is a useful reporter group, this provides a method for studying enzyme mechanisms by NMR.

Biochem/physiol Actions

5-Fluoro-Trp is nonspecifically cytotoxic. It is believed this is due to malfunctioning enzymes that have had replacements of Trp residues by 5-fluoro-Trp. However, at least one case is known where 5-fluoro-Trp substitution leads to significantly greater catalytic activity.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000463283
0000463283
0000346588
0000346588
0000266988

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E W Miles et al.
Biochemistry, 25(15), 4240-4249 (1986-07-29)
We are exploring the active site and the mechanism of the pyridoxal phosphate dependent reactions of the bacterial tryptophan synthase alpha 2 beta 2 complex by use of substrate analogues and of reaction intermediate analogues. Fluorine-19 nuclear magnetic resonance studies
G S Rule et al.
Biochemistry, 26(2), 549-556 (1987-01-27)
In this study we demonstrate the potential of combining fluorine-19 nuclear magnetic resonance (NMR) spectroscopy with molecular genetics. We are using the membrane-bound enzyme D-lactate dehydrogenase of Escherichia coli as a model system to characterize interactions between proteins and lipids.
Warintra Pitsawong et al.
eLife, 7 (2018-06-15)
Protein kinases are major drug targets, but the development of highly-selective inhibitors has been challenging due to the similarity of their active sites. The observation of distinct structural states of the fully-conserved Asp-Phe-Gly (DFG) loop has put the concept of
Dereje Abate Negatu et al.
mBio, 10(2) (2019-03-28)
Indole propionic acid (IPA), produced by the gut microbiota, is active against Mycobacterium tuberculosisin vitro and in vivo However, its mechanism of action is unknown. IPA is the deamination product of tryptophan (Trp) and thus a close structural analog of
Erwin P P Vos et al.
Biochemistry, 48(23), 5284-5290 (2009-05-01)
In this work, four single tryptophan (Trp) mutants of the dimeric mannitol transporter of Escherichia coli, EII(mtl), are characterized using Trp and 5-fluoroTrp (5-FTrp) fluorescence spectroscopy. The four positions, 97, 114, 126, and 133, are located in a region shown
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