Proline-proline-glutamate family protein 51;Protein PPE51
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Tag
N-terminal 6xHis-tagged
Molecular Weight
44.0 kDa
Relevance
Small molecule-selective channel required for the uptake of nutrients across the outer mycomembrane. Transports glycerol and glucose. Involved in sensitivity to M.tuberculosis growth inhibitory agrichemical 3,3-bis-di(methylsulfonyl)propionamide (3bMP1). Transports maltose and lactose disaccharides. Involved in sensitivity to bactericidal thio-disaccharide T-6 compound (1,6-anhydro-3-deoxy-4-S-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)-D-glycero-hexopyranos-2-ulose). Transports extracellular trehalose, a component of the cell envelope, and trehalose analog, 6-azido trehalose (6-TreAz), which has antimycobacterial activity.
Source
E.coli
Form
Liquid or Lyophilized powder
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.<br />If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Purity
Greater than 85% as determined by SDS-PAGE.
Storage
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. <br />Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.