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A5025

Sigma-Aldrich

Ala-Ala-Ala-Ala-Ala

Synonym(s):

Penta-L-alanine

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About This Item

Empirical Formula (Hill Notation):
C15H27N5O6
CAS Number:
10183-34-3
Molecular Weight:
373.40
MDL number:
MFCD00080980
UNSPSC Code:
12352200
PubChem Substance ID:
24890932
NACRES:
NA.26

assay

≥99% (TLC)

Quality Level

200

form

powder

color

white to off-white

SMILES string

CC(N)C(=O)NC(C)C(=O)NC(C)C(=O)NC(C)C(=O)NC(C)C(O)=O

InChI

1S/C15H27N5O6/c1-6(16)11(21)17-7(2)12(22)18-8(3)13(23)19-9(4)14(24)20-10(5)15(25)26/h6-10H,16H2,1-5H3,(H,17,21)(H,18,22)(H,19,23)(H,20,24)(H,25,26)

InChI key

XXAUOPDVAKGRPR-UHFFFAOYSA-N

Related Categories

Amino Acid Sequence

Ala-Ala-Ala-Ala-Ala

Biochem/physiol Actions

L-Alanine has wide range of applications as food additive and as a component in infusion solutions. It is also used as a precursor for chemical and pharmaceutical products. In a penta-alanine system, resampling helps to increase the efficacy of a “fast-switch” equilibrium sampling protocol.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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Edward Lyman et al.
The Journal of chemical physics, 130(8), 081102-081102 (2009-03-05)
We recently applied a multistage reweighting scheme to demonstrate the sampling of equilibrium configurational distributions of peptides from nonequilibrium, simulated annealing trajectories [E. Lyman and D. M. Zuckerman, J. Chem. Phys. 127, 065101 (2007)]. Here we demonstrate that a statistical
Yunfen He et al.
Physical review letters, 101(17), 178103-178103 (2008-11-13)
Terahertz time domain spectroscopy shows that the protein dynamical transition, the rapid increase in protein dynamics occurring at approximately 200 K, needs neither tertiary nor secondary structure. Further, short chain alanine studies find a dynamical transition down to penta-alanine, with
Panagiota S Georgoulia et al.
The journal of physical chemistry. B, 115(51), 15221-15227 (2011-11-18)
A computational solution to the protein folding problem is the holy grail of biomolecular simulation and of the corresponding force fields. The complexity of the systems used for folding simulations precludes a direct feedback between the simulations and the force
Resampling improves the efficiency of a ?fast-switch? equilibrium sampling protocol
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