MSP12
Membrane Scaffold Protein 2N2
recombinant, expressed in E. coli, MSP1D1-MSP1D2 fusion protein
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All Photos(2)
UNSPSC Code:
12352200
NACRES:
NA.26
Recommended Products
recombinant
expressed in E. coli
Quality Level
Assay
≥90% (SDS-GE)
form
buffered aqueous solution
shipped in
ambient
storage temp.
−20°C
General description
Nanodisc technology is an approach to render membrane proteins soluble in aqueous solutions in a native-like bilayer environment, where the membrane proteins remain stable and active. The Nanodisc concept is derived from high density lipoprotein (HDL) particles and their primary protein component, apolipoprotein. The Nanodisc is a non-covalent structure of phospholipid bilayer and membrane scaffold protein (MSP), a genetically engineered protein, which mimics the function of Apolipoprotein A-1 (ApoA-1).
The first MSP, MSP1, was engineered with its sequence based on the sequence of A-1, but without the globular N-terminal domain of native A-1. The Membrane Scaffold Protein 1D1 (MSP1D1) variant of MSP1 deletes the first 11 amino acids in the Helix 1 portion (referred to as “H0.5” in the accompanying figure) of the original MSP1 sequence. Membrane Scaffold Protein 2N2 (MSP 2N2) is a fusion of MSP1D1 and another MSP variant, MSP1D2. MSP1D2 deletes the first 22 amino acids of the original MSP sequence (i.e. the entire H1 segment). In MSP2N2, a GT linker connects MSP1D1 and MSP1D2.
The first MSP, MSP1, was engineered with its sequence based on the sequence of A-1, but without the globular N-terminal domain of native A-1. The Membrane Scaffold Protein 1D1 (MSP1D1) variant of MSP1 deletes the first 11 amino acids in the Helix 1 portion (referred to as “H0.5” in the accompanying figure) of the original MSP1 sequence. Membrane Scaffold Protein 2N2 (MSP 2N2) is a fusion of MSP1D1 and another MSP variant, MSP1D2. MSP1D2 deletes the first 22 amino acids of the original MSP sequence (i.e. the entire H1 segment). In MSP2N2, a GT linker connects MSP1D1 and MSP1D2.
Application
For guidelines on the use of this and other MSP′s to prepare Nanodiscs, please visit our Protocols for Membrane Scaffold Proteins and Nanodisc Formation page.
Legal Information
Nanodisc technology, and many of its uses, are covered by the following patents held by the University of Illinois.
- 7,691,414 Membrane scaffold proteins
- 7,662,410 Membrane scaffold proteins and embedded membrane proteins
- 7,622,437 Tissue factor compositions and methods
- 7,592,008 Membrane scaffold proteins
- 7,575,763 Membrane scaffold proteins and tethered membrane proteins
- 7,083,958 Membrane scaffold proteins
- 7,048,949 Membrane scaffold proteins
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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Tomasz Uchański et al.
Nature methods, 18(1), 60-68 (2021-01-08)
Nanobodies are popular and versatile tools for structural biology. They have a compact single immunoglobulin domain organization, bind target proteins with high affinities while reducing their conformational heterogeneity and stabilize multi-protein complexes. Here we demonstrate that engineered nanobodies can also
Protocols
Nanodisc technology aids membrane protein solubilization, overcoming associated challenges in diverse protein classes.
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