Membrane Scaffold Protein 1E3D1 D73C

Membrane Scaffold Protein 1E3D1 D73C 화학적 특성, 용도, 생산

• 용도

  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.

• 일반 설명

  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 MSP1E3D1 D73C variant of MSP1 differs from MSP1 in the following facets:
  
  • It deletes the first 11 amino acids in the Helix 1 portion (referred to as “H0.5” in the accompanying figure) of the original MSP1 sequence³ (which is known separately as MSP1D1).
  • It repeats the Helix 4 (H4), Helix 5 (H5) and Helix 6 (H6) sequences of the original MSP1 sequence between the parent Helix 6 (H6) and Helix 7 (H7) segments of MSP1D1.
  • It substitutes a cysteine (C) residue for an aspartic acid (D) residue in the Helix 2 (H2) portion of the protein, at position 73 of the original native A-1 sequence.
  • The initial histidine-tag is one amino acid shorter.

Membrane Scaffold Protein 1E3D1 D73C 공급 업체

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