F4165
Ficin from fig tree latex
powder, ≥0.1 unit/mg solid
Sinónimos:
Debricin, Ficain, higueroxyl delabarre
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About This Item
Productos recomendados
origen biológico
fig tree (latex)
Formulario
powder
actividad específica
≥0.1 unit/mg solid
mol peso
23.8 kDa
temp. de almacenamiento
−20°C
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Descripción general
Extinction Coefficient: E1% = 21.0 (280 nm)
pI: 9.0
pI: 9.0
Acciones bioquímicas o fisiológicas
Ficin is classified as a thiol protease. It contains a single reactive cysteine at its active site. The amino acid homology of the active site is similar to that of papain. Ficin will cleave proteins at the carboxyl side of Gly, Ser, Thr, Met, Lys, Arg, Tyr, Ala, Asn, and Val. The reported Km for the chromogenic substrate pGlu-Phe-Leu-p-nitroanilide is 0.43 mM. Ficin is inhibited by iodoacetamide, iodoacetic acid, N-ethylmaleimide, mercuric chloride, DFP (diisopropyl fluorophosphate), TLCK (Na-p-Tosyl-lysine chloromethyl ketone), and TPCK (N-Tosyl-L-phenylalanine chloromethyl ketone). Ficin can be used to generate high yielding F (ab′)2 fragments from mouse IgG1.
Definición de unidad
One unit will produce a ΔA280 of 1.0 per min at pH 7.0 at 37 °C when measuring TCA soluble products from casein in a final volume of 10 ml (1 cm light path).
The enzyme is soluble in 1 M potassium phosphate buffer, pH 7.0 (0.25 mg/ml), yielding a clear solution.
Inhibidor
Referencia del producto
Descripción
Precios
sustrato
Referencia del producto
Descripción
Precios
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Órganos de actuación
Respiratory system
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 1
Equipo de protección personal
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Los clientes también vieron
Yufang Yang et al.
Scientific reports, 7, 43141-43141 (2017-02-23)
Ficin is classified as a sulfhydryl protease isolated from the latex of fig trees. In most cases, a particular enzyme fits a few types of substrate and catalyzes one type of reaction. In this investigation, we found sufficient proofs for
E Saitoh et al.
Archives of biochemistry and biophysics, 352(2), 199-206 (1998-05-20)
Two variants of cystatin SA encoded by two alleles at the CST2 locus of the type 2 human cystatin gene family were expressed in Escherichia coli. One, termed cystatin SA1, is identical to cystatin SA [S. Isemura, E. Saitoh, and
Kristien Bonroy et al.
Journal of immunological methods, 312(1-2), 167-181 (2006-05-06)
The sensitivity of immunosensors is strongly dependent on the amount of immobilised antibodies and their remaining antigen binding properties. The use of smaller and well-oriented antibody fragments as bioreceptor molecules influences the final immunosensor signal. The aim of this study
H Sekizaki et al.
Amino acids, 34(1), 149-153 (2007-07-10)
The capability of ficin, a cystine protease, to form peptide bonds was investigated using several types of N-Boc-amino acid phenyl and naphthyl esters as acyl donor components. Enzyme-catalyzed peptide synthesis was carried out under optimized reaction conditions of pH, acyl
Eiichi Saitoh et al.
Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology, 141(1), 103-109 (2005-04-12)
A novel cysteine protease inhibitor (Eel-CPI-1) was isolated from the epidermis of the eel. Eel-CPI-1 was shown to bind strongly to both lactose- and carboxymethylated papain-affinity gels. Its molecular mass under reducing condition was determined to be 18 kDa by
Protocolos
This procedure may be used for all Ficin products.
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