产品信息

Form

White lyophilized solid

Formulation

Lyophilized from calcium acetate

Molar mass

28500

Specific activity

≥40 units/mg protein

Unit definition

One unit is defined as the amount of enzyme that will liberate 1.0 µmol tyrosine from casein per min at 37°C, pH 7.5.

Activity

≥30 units/mg dry weight

Contaminants

DNase: no detectable nicking activity with pBR322, incubation for 6 h at 37°C; RNase: no ribonuclease activity with MS2 RNA detected after incubation for 6 h at 37°C

pH value

optimum 7.5 - 12.0

Solubility

50 mM Tris-HCl, 2 mM calcium acetate, pH 8.0

EC number

3.4.21.14

CAS number

39450-01-6

Store and ship information

Storage

+2°C to +8°C

Ship

Ambient Temperature Only
Irritant

安全标示

S Phrase

S: 22-24-26-36/37

Do not breathe dust.
Avoid contact with skin.
In case of contact with eyes, rinse immediay with plenty of water and seek medical advice.

R Phrase

R: 36/37/38-42


May cause sensitization by inhalation.

品名

产地

货号

规格

单价

备注

蛋白酶k  Proteinase K

Calbiochem

539480

100mg

询价

现货