F4125
Ficin from fig tree latex
saline suspension, ≥1.0 units/mg protein (biuret)
Sinónimos:
Debricin, Ficain, higueroxyl delabarre
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About This Item
Número de CAS:
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54
Productos recomendados
origen biológico
fig tree (latex)
formulario
saline suspension
actividad específica
≥1.0 units/mg protein (biuret)
mol peso
23.8 kDa
temp. de almacenamiento
2-8°C
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Descripción general
Ficin from fig tree latex exists in multiple isoforms. The isoforms are prone to autolysis at varying temperature and tend to degrade during long term storage. It is a sulfhydryl protease with eight cysteine residues and is stabilized by three disulfide bridges.
Extinction Coefficient: E1% = 21.0 (280 nm)
pI: 9.0
pI: 9.0
Aplicación
Ficin from fig tree latex has been used:
- in the electron paramagnetic resonance (EPR) and steady-kinetic measurements for assessing its peroxidase functionality
- for the digestion of eye tissue sections prior to immunostaining and immunofluorescence
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).
Forma física
Suspension in 2.0 M NaCl and 0.03 M cysteine, pH 5.0
Nota de preparación
2× Crystallized
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
Resp. Sens. 1
Código de clase de almacenamiento
12 - Non Combustible Liquids
Clase de riesgo para el agua (WGK)
WGK 1
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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Protocolos
This procedure may be used for all Ficin products.
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