This product is shipped at ambient temperature. This material is lyophilized from a solution containing sodium phosphate, pH 6.5. It may be reconstituted in approximately 80 ul water per 25 ug vial. Activation is not necessary.
C8696
Cathepsin D from human liver
lyophilized powder, ≥250 units/mg protein (E1%/280)
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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.32
MDL number:
Specific activity:
≥250 units/mg protein (E1%/280)
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Servicio técnico
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lyophilized powder
Quality Segment
specific activity
≥250 units/mg protein (E1%/280)
mol wt
~45 kDa
color
white
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... CTSD(1509)
General description
Cathepsin D is an aspartic protease, which is located in lysosomes. It is involved in protein catabolism and maintains hormone and antigen processing. Cathepsin D is implicated in neoplasia and neurodegenerative changes. It regulates lysosomal proteolysis and endogenous fibrinolysis.
Application
Cathepsin D from human liver has been used:
- in β-secretase activity assay
- for enzymatic degradation of amyloid β 1-42[1]
- in microinjection of human foreskin fibroblasts
Biochem/physiol Actions
Cathepsin D is an endosomal-lysosomal aspartic protease implicated in breast cancer metastasis and Alzheimer′s disease. Lysosomal release of cathepsin D has been found to precede cytochrome c release and loss of membrane potential in apoptotic human foreskin fibroblasts. Cathepsin D levels in PC12 cells increase 12 to 24 hours after apoptosis is induced.
Endosomal-lysosomal aspartic protease implicated in breast cancer metastasis and Alzheimer′s disease. Lysosomal release of cathepsin D has been found to precede cytochrome c release and loss of membrane potential in apoptotic human foreskin fibroblasts.
Physical form
Powder containing sodium phosphate buffer salt.
Other Notes
Contains α, β and γ isoenzymes as observed by isoelectric-focusing.
One unit will produce an increase in A280 of 1.0 in 30 min at pH 3.3 at 37 °C measured as TCA-soluble products using acid-denatured hemoglobin as substrate (1 cm light path).
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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At what temperature is it shipped? How to reconstitute it? Is it active or to be activated?
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