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Merck

A6501

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
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24891094
NACRES:
NA.26
EC Number:
219-189-8
MDL number:
MFCD00005646

Key Documents

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Product Name

N-Acetyl-L-tryptophanamide,

SMILES string

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

InChI key

HNGIZKAMDMBRKJ-LBPRGKRZSA-N

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

assay

≥98%

form

powder

color

white to off-white

mp

194-196 °C (lit.)

application(s)

detection

storage temp.

−20°C

Quality Level

200

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1 of 4

This Item
A1895932426HPA063344
N-Acetyl-L-tryptophanamide

Sigma-Aldrich

A6501

N-Acetyl-L-tryptophanamide

Aurintricarboxylic acid practical grade, ≥85% (titration), powder

Sigma-Aldrich

A1895

Aurintricarboxylic acid

4,4′,4′′-Tris(N-(naphthalen-2-yl)-N-phenyl-amino)-triphenylamine ≥99% (HPLC)

Sigma-Aldrich

932426

4,4′,4′′-Tris(N-(naphthalen-2-yl)-N-phenyl-amino)-triphenylamine

Anti-NAA20 antibody produced in rabbit Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody

Sigma-Aldrich

HPA063344

Anti-NAA20 antibody produced in rabbit

form

powder

form

powder

form

-

form

buffered aqueous glycerol solution

assay

≥98%

assay

≥85% (titration)

assay

≥99% (HPLC)

assay

-

storage temp.

−20°C

storage temp.

room temp

storage temp.

-

storage temp.

−20°C

mp

194-196 °C (lit.)

mp

300 °C (lit.)

mp

247 °C

mp

-

color

white to off-white

color

red to very dark red, and Red-Brown andBrown-Red

color

-

color

-

Quality Level

200

Quality Level

300

Quality Level

100

Quality Level

100

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

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP0968
BCCL3201
BCCH1286
BCCJ7596
BCCD9472

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A Málnási-Csizmadia et al.
Biochemistry, 40(42), 12727-12737 (2001-10-17)
The fluorescence emission intensity from a conserved tryptophan residue (W501) located in the relay loop (F466 to L516) of the Dicytostelium discoideum myosin II motor domain is sensitive to ATP binding and hydrolysis. The initial binding process is accompanied by
A Buzády et al.
Biophysical chemistry, 88(1-3), 153-163 (2001-01-11)
The dielectric relaxation (DR) of human serum albumin (HSA) was studied by the method of phase-fluorometry. The protein environment of the single tryptophan in HSA shows a relatively low-speed DR of sub-ns characteristic time. This relaxation can be measured as
Jianhua Xu et al.
The journal of physical chemistry. B, 113(35), 12084-12089 (2009-08-28)
Time-resolved fluorescence decay profiles of N-acetyl-l-tryptophanamide (NATA) and tryptophan (Trp) dipeptides of the form Trp-X and X-Trp, where X is another aminoacyl residue, have been investigated using an ultraviolet upconversion spectrophoto fluorometer with time resolution better than 350 fs, together
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
Billie J Harvey et al.
The journal of physical chemistry. B, 111(10), 2610-2620 (2007-02-16)
Bovine beta-lactoglobulin A (BLGA) is a well characterized globular protein whose tertiary structure has been investigated in detail. BLGA undergoes a pH-dependent conformational change which X-ray data described as involving mostly the loop connecting strands E and F and the
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