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907278

Sigma-Aldrich

H-L-Photo-leucine HCl

≥98%

Synonym(s):

(S)-2-Amino-3-(3-methyl-3H-diazirin-3-yl)propanoic acid hydrochloride, (S)-2-Amino-3-(3H-diazirin-3-yl)butanoic acid hydrochloride, Diazirine amino acid, Photo-Leu, Photo-crosslinking amino acid, Photoprobe building block

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About This Item

Empirical Formula (Hill Notation):
C5H10ClN3O2
Molecular Weight:
179.60
UNSPSC Code:
12352209

Assay

≥98%

form

solid

reaction suitability

reaction type: solution phase peptide synthesis

availability

available only in USA

application(s)

peptide synthesis

storage temp.

−20°C

Application

H-L-Photo-leucine HCl is a diazirine-containing leucine amino acid and multifunctional photo-crosslinker. Its incorporation into peptides or small-molecule probes and tools allows for photoaffinity labeling of cellular targets and protein-protein interactions upon UV light (∼360 nm) irradiation to form a covalent bond. This and other multifunctional probe building blocks will continue to accelerate drug discovery research for probing cellular mechanisms, target ID/validation, and understanding traditionally undruggable targets. An Fmoc-protected version is also available as 907391.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Self-react. C

Storage Class Code

5.2 - Organic peroxides and self-reacting hazardous materials

WGK

WGK 3


Certificates of Analysis (COA)

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Local side-chain interactions in lyophilized protein formulations were mapped using solid-state photolytic labeling-mass spectrometry (ssPL-MS). Photoactive amino acid analogues (PAAs) were used as probes and either added to the lyophilized matrix or incorporated within the amino acid sequence of a
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We report a protein labeling method using nonselective carbene reactions of sufficiently high efficiency to permit detection by mass spectrometric methods. The approach uses a diazirine-modified amino acid (l-2-amino-4,4'-azipentanoic acid, "photoleucine") as a label source, which is converted to a
Bojie Zhang et al.
Journal of the American Society for Mass Spectrometry, 27(3), 552-555 (2015-12-19)
Protein footprinting combined with mass spectrometry provides a method to study protein structures and interactions. To improve further current protein footprinting methods, we adapted the fast photochemical oxidation of proteins (FPOP) platform to utilize carbenes as the footprinting reagent. A
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Journal of the American Society for Mass Spectrometry, 27(7), 1176-1185 (2016-04-10)
We report a combined experimental and computational study aimed at elucidating the structure of N-terminal fragment ions of the c type produced by electron transfer dissociation of photo-leucine (L*) peptide ions GL*GGKX. The c 4 ion from GL*GGK is found

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