Molecular biology

Molecular biology

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Molecular biology

double duplex invasion

Biology; Biochemistry

A mechanism by which a pair of pseudocomplementary protein nucleic acids (PNAs) target and inactivate DNA. The DNA strands are unwound locallly and each is targeted simultaneously by one of the PNAs.

hopanoid

Biology; Biochemistry

One of a class of pentacyclic triterpenes derived from squalene that occur in the membranes of bacteria and some plants, fulfilling the functions served by sterols in the membranes of other ...

scaffold

Biology; Biochemistry

Protein engineers use the term to refer to a domain or small protein that is the object of mutation intended to introduce or refine a property, while retaining the folding of the polypeptide ...

totipotency

Biology; Biochemistry

The capacity of a zygote to develop into a fully differentiated organism, a property lost as the zygote develops into more specialized cells that are more committed to particular lines of ...

Fenton reaction

Biology; Biochemistry

The generation of a reactive, and potentially damaging, hydroxyl radical: H 2 O 2 +Fe 2+ →OH Â +Fe 3+ OH - .

The reaction of ribulose bisphosphate carboxylase in which molecular oxygen replaces carbon dioxide as a substrate, to form 3-phosphoglycerate and phosphoglycolate rather than two 3-phosphoglycerates. ...

random peptide library

Biology; Biochemistry

For purposes of identification of polypeptides that have a high affinity for a target structure, the assortment of, e.g., the 520 to 720 penta- to hepta-peptides that may be incorporated into a phage ...