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SML2975

Sigma-Aldrich

Dabcyl-KTSAVLQSGFRKME-Edans trifluoroacetate

≥95% (HPLC), powder, FRET substrate of SARS-CoV Mpro

Synonym(s):

DABCYL-Lys-Thr-Ser-Ala-Val-Leu-Gln-Ser-Gly-Phe-Arg-Lys-Met-Glu-EDANS trifluoroacetate, N2-[4-[[4-(Dimethylamino)phenyl]azo]benzoyl]-L-lysyl-L-threonyl-L-seryl-L-alanyl-L-valyl-L-leucyl-L-glutaminyl-L-serylglycyl-L-phenylalanyl-L-arginyl-L-lysyl-L-methionyl-N-[2-[(5-sulfo-1-naphthalenyl)amino]ethyl]-L-α-glutamine trifluoroacetate

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About This Item

Empirical Formula (Hill Notation):
C95H141N25O24S2 · xC2HF3O2
CAS Number:
730985-86-1
Molecular Weight:
2081.42 (free base basis)
UNSPSC Code:
12352200
NACRES:
NA.77

product name

Dabcyl-KTSAVLQSGFRKME-Edans trifluoroacetate, ≥95% (HPLC)

Quality Level

100

Assay

≥95% (HPLC)

form

powder

color

light brown to dark red

storage temp.

−20°C

Biochem/physiol Actions

Dabcyl-KTSAVLQSGFRKME-Edans is a fluorescence resonance energy transfer (FRET) substrate for SARS-CoV main protease Mpro (also called 3CLpro) (538 nm with excitation at 355 nm). Dabcyl-KTSAVLQSGFRKME-Edans is suitable to measure protease activity of COVID-19 virus Mpro, SARS-CoV Mpro, and other viruses.

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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Linlin Zhang et al.
Journal of medicinal chemistry, 63(9), 4562-4578 (2020-02-12)
The main protease of coronaviruses and the 3C protease of enteroviruses share a similar active-site architecture and a unique requirement for glutamine in the P1 position of the substrate. Because of their unique specificity and essential role in viral polyprotein
Thi Thanh Hanh Nguyen et al.
Biotechnology letters, 34(5), 831-838 (2012-02-22)
The 3C-like protease (3CL(pro)) of severe acute respiratory syndrome associated coronavirus (SARS-CoV) is vital for SARS-CoV replication and is a promising drug target. Recombinant 3CL(pro) was expressed in Pichia pastoris GS115 as a 42 kDa protein that displayed a K
Chih-Jung Kuo et al.
Biochemical and biophysical research communications, 318(4), 862-867 (2004-05-19)
SARS main protease is essential for life cycle of SARS coronavirus and may be a key target for developing anti-SARS drugs. Recently, the enzyme expressed in Escherichia coli was characterized using a HPLC assay to monitor the formation of products

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