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RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care

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Just completed an order with Peter and his service is A+++. I have posted it elsewhere on the board. I did a gh serum test with his gh and it comes back more 30, crazy high score for 10iu.

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RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care

RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care
RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care

Large Image :  RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care Get Best Price

Product Details:

Place of Origin: China
Brand Name: SGH
Certification: GMP, ISO9001,BRC,KOSHER
Model Number: rb-EK

Payment & Shipping Terms:

Minimum Order Quantity: 10vials (1kit)
Price: Negotiation
Packaging Details: Discreet package or foiled bag or pack as customer's request
Payment Terms: T/T, Western Union, MoneyGram, Bitcoin
Supply Ability: 50000vials/Month
Detailed Product Description
Size: 10000iu/vial Synonyms: Rb-EK
Form: Powder Usage: Becauty Purpose
Color: White Storage: -20C
High Light:

egf skin care

,

recombinant egf

RB EK EGF Epidermal Growth Factor Recombinant Bovine Enterokinase Skin Care

 

Product Name: Recombinant Bovine Enterokinase ( rb-EK)

Formulation: Lyophilized from 50 mM Tris-HCl, pH8.0

Mol. Wt.: 26.2 kDa, 30 kDa by SDS-PAGE analysis

Theoretical pI: 5.20

Activity: ≥40 KU/mg

Purity: ≥95% by SDS-PAGE analysis

Endotoxin: ≤5 EU/mg

Resources: Escherichia coli (E. coli)

Storage Condition: -20 oC

Storage Duration: 3 years

 

Unit Definition: 1 unit is defined as the amount of rb-EK that will digest 50 μg of 1mg/ml fusion protein to 95% completion in 16 h at 25oC in 50 mM Tris-HCl, pH 8.0.

 

Description:

Enterokinase is a serine protease that can specifically cleave the sequence Asp-Asp-Asp-Asp-Lys after the lysine residue . It applies for digesting fusion proteins to release the fusion partner or tag from the target protein.

 

Native enterokinase is composed of a 115 kDa heavy chain as a membrane anchor and a 35 kDa light chain as the catalytic subunit. Recombinant bovine enterokinase is a specially prepared recombinant enzyme, consisting of the catalytic subunit of the holoenzyme. This subunit is expressed and purified from E.coli, yielding an enzyme with higher specific activity. This results in more efficient cleavage using less enzyme.

 

Note:

1. Rb-EK is known to be inhibited by >2 M Urea, >250 mM NaCl, >20 mM β-ME, >0.1% SDS, or >50 mM imidazole. Dialyze your fusion protein to remove the inhibitors prior to digestion with rb-EK.

2. Avoid using phosphate buffer.

 

 

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