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A9627

Sigma-Aldrich

Ala-Ala-Ala

≥98% (TLC)

Synonym(s):

Tri-L-alanine

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About This Item

Empirical Formula (Hill Notation):
C9H17N3O4
CAS Number:
5874-90-8
Molecular Weight:
231.25
EC Number:
227-538-0
MDL number:
MFCD00025557
UNSPSC Code:
12352209
PubChem Substance ID:
24891479
NACRES:
NA.26

product name

Ala-Ala-Ala,

Assay

≥98% (TLC)

form

powder

color

white

storage temp.

−20°C

SMILES string

C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(O)=O

InChI

1S/C9H17N3O4/c1-4(10)7(13)11-5(2)8(14)12-6(3)9(15)16/h4-6H,10H2,1-3H3,(H,11,13)(H,12,14)(H,15,16)/t4-,5-,6-/m0/s1

InChI key

BYXHQQCXAJARLQ-ZLUOBGJFSA-N

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Amino Acid Sequence

Ala-Ala-Ala

Application

Trialanine (Ala-Ala-Ala) may be used along with other short chain alanines, tetra- and penta-alanine, as model compounds to study physicochemical parameters of small peptides.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

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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Gly-Ala ≥99.0% (NT)

Sigma-Aldrich

50150

Gly-Ala

Phe-Gly-Gly

Sigma-Aldrich

P3501

Phe-Gly-Gly

Fabrizio Marinelli et al.
PLoS computational biology, 5(8), e1000452-e1000452 (2009-08-08)
Trp-cage is a designed 20-residue polypeptide that, in spite of its size, shares several features with larger globular proteins.Although the system has been intensively investigated experimentally and theoretically, its folding mechanism is not yet fully understood. Indeed, some experiments suggest
Tetsuo Asakura et al.
Journal of the American Chemical Society, 128(18), 6231-6238 (2006-05-04)
The structural analysis of natural protein fibers with mixed parallel and antiparallel beta-sheet structures by solid-state NMR is reported. To obtain NMR parameters that can characterize these beta-sheet structures, (13)C solid-state NMR experiments were performed on two alanine tripeptide samples:
Infrared multiple photon dissociation spectroscopy as structural confirmation for GlyGlyGlyH+ and AlaAlaAlaH+ in the gas phase. Evidence for amide oxygen as the protonation site.
Ronghu Wu et al.
Journal of the American Chemical Society, 129(37), 11312-11313 (2007-08-28)
Jos Oomens et al.
Journal of the American Society for Mass Spectrometry, 20(2), 334-339 (2008-11-18)
Infrared multiple photon dissociation (IRMPD) spectroscopy is used to identify the structure of the b(2)(+) ion generated from protonated tri-alanine by collision induced dissociation (CID). The IRMPD spectrum of b(2)(+) differs markedly from that of protonated cyclo-alanine-alanine, demonstrating that the
Jos Oomens et al.
Journal of the American Society for Mass Spectrometry, 21(5), 698-706 (2010-02-26)
We present the first infrared spectra of a mass-selected deprotonated peptide anion (AlaAlaAla) and its decarboxylated fragment anion formed by collision induced dissociation. Spectra are obtained by IRMPD spectroscopy using an FTICR mass spectrometer in combination with the free electron
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