Molecular biology

Molecular biology

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Molecular biology

Superoxide dismutase

Biology; Biochemistry

Enzymes that catalyse the dismutation of superoxide to hydrogen peroxide through the use of a redox active metal cofactor such as a copper or a manganese. In mammals there is a cytosolic isoform ...

Reactive immunisation

Biology; Biochemistry

A technique to widen the scope of catalytic reactions effected by abzymes. Reactive compounds are used as antigens; some of the resulting antibodies are directed to the reaction complex with a ...

Intasome

Biology; Biochemistry

A nucleoprotein complex active in integration of bacteriophage DNA into host DNA. Negatively supercoiled host DNA is forced to cross back over itself at points called nodes, which are sites for ...

A substance that mediates interactions between non-contiguous cells; classically, a substance produced in minute amounts by an organ (an endocrine organ) in one part of the body and transported by ...

Anti-ergotypic

Biology; Biochemistry

Descriptive of killer T-cells that recognise and respond to a cell- surface marker on a T-cell that is actively secreting immunoglobulin; contrasted with anti-idiotypic, descriptive of killer T-cells ...

GABA shunt

Biology; Biochemistry

An alternative route from α-oxoglutarate to succinyl-CoA as part of the tricarboxylic acid cycle. Rather than going through the α-oxoglutarate dehydrogenase reaction, Â¿-oxoglutarate condenses with ...

STAT (signal transducer and activator of transcription)

Biology; Biochemistry

One of a family of proteins that mediate the actions of cytokines and growth factors. When the cytokine or growth factor receptor is occupied, a tyrosine residue of the STAT is phosphorylated and the ...