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C8696

Cathepsin D from human liver

lyophilized powder, ≥250 units/mg protein (E1%/280)

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Talla/SKUDisponibilidadPrecio
25 μg
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318,00 €

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Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.32
Número CE:
MDL number:
Specific activity:
≥250 units/mg protein (E1%/280)

318,00 €


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form

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
  • 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).

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Este artículo
C3138C8571C6854
description

lyophilized powder, ≥250 units/mg protein (E1%/280)

description

lyophilized powder, ≥2.0 units/mg protein

description

buffered aqueous solution, ≥200 units/mg protein (One unit is defined as the amount of enzyme that hydrolyzes 1 μmol of Z-Arg-Arg-beta-naphthylamide per minute at 40 °C, using 100 mM Na/K phosphate, pH 6.0, with 1.33 mM EDTA and 2 mM DTT as the activation buffer.)

description

≥0.5 units/mg protein, solution

Gene Information

human ... CTSD(1509)

Gene Information

cow ... CTSD(282883)

Gene Information

human ... CTSB(1508)

Gene Information

human ... CTSL1(1514)

specific activity

≥250 units/mg protein (E1%/280)

specific activity

≥2.0 units/mg protein

specific activity

≥200 units/mg protein (One unit is defined as the amount of enzyme that hydrolyzes 1 μmol of Z-Arg-Arg-beta-naphthylamide per minute at 40 °C, using 100 mM Na/K phosphate, pH 6.0, with 1.33 mM EDTA and 2 mM DTT as the activation buffer.)

specific activity

≥0.5 units/mg protein

form

lyophilized powder

form

lyophilized powder

form

buffered aqueous solution

form

solution

mol wt

~45 kDa

mol wt

~45 kDa

mol wt

-

mol wt

-

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−70°C

storage temp.

−20°C

UniProt accession no.

P07339

UniProt accession no.

P80209

UniProt accession no.

P07858

UniProt accession no.

P07711


Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Preguntas

  1. At what temperature is it shipped?  How to reconstitute it? Is it active or to be activated?

    1 respuesta
    1. 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.

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