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A6501

Sigma-Aldrich

N-Acetyl-L-tryptophanamide

≥98%

Synonym(s):

NATA

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About This Item

Empirical Formula (Hill Notation):
C13H15N3O2
CAS Number:
2382-79-8
Molecular Weight:
245.28
EC Number:
219-189-8
MDL number:
MFCD00005646
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24891094
NACRES:
NA.26

product name

N-Acetyl-L-tryptophanamide,

Assay

≥98%

form

powder

color

white to off-white

mp

194-196 °C (lit.)

application(s)

detection

storage temp.

−20°C

SMILES string

CC(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(N)=O

InChI

1S/C13H15N3O2/c1-8(17)16-12(13(14)18)6-9-7-15-11-5-3-2-4-10(9)11/h2-5,7,12,15H,6H2,1H3,(H2,14,18)(H,16,17)/t12-/m0/s1

InChI key

HNGIZKAMDMBRKJ-LBPRGKRZSA-N

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Biochem/physiol Actions

N-Acetyl-L-tryptophanamide (NATA) is an N-terminal and C-terminal blocked analogue of L-tryptophan. L-tryptophan, NATA and NATA-tyr molecules have intrinsic fluorescence which makes them useful in studies involving fluorescence and flurosence enhancement.

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tiago Q Faria et al.
The Journal of biological chemistry, 279(47), 48680-48691 (2004-09-07)
2-O-alpha-Mannosylglycerate, a negatively charged osmolyte widely distributed among (hyper)thermophilic microorganisms, is known to provide notable protection to proteins against thermal denaturation. To study the mechanism responsible for protein stabilization, pico-second time-resolved fluorescence spectroscopy was used to characterize the thermal unfolding
Qiang Li et al.
Analytical biochemistry, 367(1), 104-110 (2007-06-08)
We present a label-free detection of protein interaction between beta-galactosidase from Escherichia coli (Ecbeta-Gal) and monoclonal anti-Ecbeta-Gal using deep UV laser-based fluorescence lifetime microscopy. The native fluorescence from intrinsic tryptophan emission was observed after one-photon excitation at 266 nm. Applying
Wayne W Wright et al.
Analytical biochemistry, 307(1), 167-172 (2002-07-26)
Evaporation of water from a 1/1 mixture of trehalose and sucrose gives rise to optically clear glasses that are transparent in the UV and visible ranges and do not crystallize when they are prepared at ambient temperatures. Two proteins, liver
Alexander V Fonin et al.
PloS one, 9(7), e103878-e103878 (2014-07-30)
Fluorescence is a proven tool in all fields of knowledge, including biology and medicine. A significant obstacle in its use is the nonlinearity of the dependence of the fluorescence intensity on fluorophore concentration that is caused by the so-called primary
Patrizia Cioni et al.
Biophysical journal, 82(6), 3246-3253 (2002-05-23)
The effects of heavy water (D(2)O) on internal dynamics of proteins were assessed by both the intrinsic phosphorescence lifetime of deeply buried Trp residues, which reports on the local structure about the triplet probe, and the bimolecular acrylamide phosphorescence quenching
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