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A9502

Sigma-Aldrich

Ala-Ala

Synonym(s):

L-Alanyl-L-alanine

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About This Item

Linear Formula:
CH3CH(NH2)CONHCH(CH3)CO2H
CAS Number:
1948-31-8
Molecular Weight:
160.17
Beilstein:
1724813
EC Number:
217-751-7
MDL number:
MFCD00008075
UNSPSC Code:
12352209
PubChem Substance ID:
24891459
NACRES:
NA.26

Assay

≥98% (TLC)

form

powder

color

white

mp

280-285 °C (lit.)

SMILES string

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

InChI

1S/C6H12N2O3/c1-3(7)5(9)8-4(2)6(10)11/h3-4H,7H2,1-2H3,(H,8,9)(H,10,11)/t3-,4-/m0/s1

InChI key

DEFJQIDDEAULHB-IMJSIDKUSA-N

Gene Information

human ... CA1(759) , CA2(760) , SLC15A1(6564)
rat ... Tpp2(81815)

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Application

Ala-Ala has been used as a peptide sample for chromatographic analysis.

Biochem/physiol Actions

L-Alanyl-L-alanine is used as a model dipeptide in physicochemical studies of processes such as the effects of pH (protonation) on conformation.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Ladislav Benda et al.
The journal of physical chemistry. B, 113(15), 5273-5281 (2009-03-24)
The dependence of the effective chemical shielding anisotropy (effective CSA, Deltasigma(eff)) on the phi and psi peptide backbone torsion angles was calculated in the l-alanyl-l-alanine (LALA) peptide using the DFT method. The effects of backbone conformation, molecular charge including the
Jirí Sebek et al.
The journal of physical chemistry. A, 113(27), 7760-7768 (2009-06-17)
Fine effects of the hydration, charge, and conformational structural changes in L-alanyl-L-alanine (Ala-Ala) dipeptide were studied with the aid of Raman and Raman optical activity (ROA) spectra. The spectra were recorded experimentally and analyzed by means of density functional computations.
Determination of theoretical retention times for peptides analyzed by reversed-phase high-performance liquid chromatography.
Dziuba J, et al.
Acta Scientiarum Polonorum. Technologia Alimentaria, 10(2) (2011)
Matthias U Bohner et al.
The Journal of chemical physics, 137(3), 034105-034105 (2012-07-27)
The calculation of free-energy barriers by umbrella sampling and many other methods is hampered by the necessity for an a priori choice of the reaction coordinate along which to sample. We avoid this problem by providing a method to search
Delphine Patin et al.
Archives of microbiology, 194(6), 505-512 (2012-01-11)
Chlamydiaceae are obligate intracellular bacteria that do not synthesise detectable peptidoglycan although they possess an almost complete arsenal of genes encoding peptidoglycan biosynthetic activities. In this paper, the murF gene from Chlamydia trachomatis was shown to be capable of complementing
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