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Previously, iminodiacetic acid was used for that purpose. Now, nitrilotriacetic acid is more commonly used. [12] For laboratory uses, Ernst Hochuli et al. (1987) coupled the NTA ligand and nickel ions to agarose beads. [13] This Ni-NTA Agarose is the most used tool to purify His-tagged proteins via affinity chromatography. NTA complexes
It is produced during the breakdown of glucose, fatty acids, and amino acids, and is used in the synthesis of many other biomolecules, including cholesterol, fatty acids, and ketone bodies. Acetyl-CoA is also a key molecule in the citric acid cycle , which is a series of chemical reactions that occur in the mitochondria of cells and is ...
The term structural has the same meaning as in structural biology, and structural bioinformatics can be seen as a part of computational structural biology. The main objective of structural bioinformatics is the creation of new methods of analysing and manipulating biological macromolecular data in order to solve problems in biology and generate ...
Nucleic acid NMR is the use of NMR spectroscopy to obtain information about the structure and dynamics of nucleic acid molecules, such as DNA or RNA. As of 2003, nearly half of all known RNA structures had been determined by NMR spectroscopy. [2] Nucleic acid NMR uses similar techniques as protein NMR, but has several differences.
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It is not always the case that the structure of a molecule is easy to relate to its function. What makes the structure of DNA so obviously related to its function was described modestly at the end of the article: "It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material".
Examples of methods for adding polyhistidine tags. (A) The polyhistidine tag is added by inserting the DNA encoding a protein of interest in a vector that has the tag ready to fuse at the C-terminus. (B) The polyhistidine tag is added using primers containing the tag coding sequence as an overhang on the forward primer. After PCR amplification ...