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518037 Outer Membrane Protein A, Recombinant, E. coli O157:H7, aa164-346, His-Sumo-Tag (OmpA) CAS:

Specifications
Grade
Purified
Swiss Prot
P0A911
Molecular Weight
35.6
Shipping Temp
Blue Ice
Storage Temp
-20°C

Required for the action of colicins K and L and for the stabilization of mating aggregates in conjugation. Serves as a receptor for a number of T-even like phages. Also acts as a porin with low permeability that allows slow penetration of small solutes.

Source
Recombinant protein corresponding to aa164-346 of E. coli O157:H7 Outer Membrane Protein A, fused to 6xHis-Sumo-Tag at N-terminal, expressed in E. coli.
Molecular Weight
~35.6kD
Amino Acid Sequence
WTNNIGDAHTIGTRPDNGMLSLGVSYRFGQGEAAPVVAPAPAPAPEVQTKHFTLKSDVLFNFNKATLKPEGQAALDQLYSQLSNLDPKDGSVVVLGYTDRIGSDAYNQGLSERRAQSVVDYLISKGIPADKISARGMGESNPVTGNTCDNVKQRAALIDCLAPDRRVEIEVKGIKDVVTQPQA
Storage and Stability
Lyophilized and reconstituted products are stable for 6 months after receipt at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Source
Recombinant, E. coli
Purity
≥90% (SDS-PAGE)
Form
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
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