haemoprotein
Noun: A haemoprotein is a conjugated protein that contains a heme (haem) group as its prosthetic component. This heme group is an iron-containing porphyrin compound, which is crucial for the protein's biological function, often involving oxygen transport, electron transfer, or catalytic activity.
The term is used in biochemistry and molecular biology to classify and describe a specific family of proteins. * Haemoglobin, which carries oxygen in red blood cells, is a classic example of a haemoprotein. * The enzyme catalase is a haemoprotein that protects cells from oxidative damage by breaking down hydrogen peroxide. * Researchers study the structure of the haemoprotein cytochrome c to understand electron transport in cells.
- The term can be used attributively (like an adjective) to specify a type of protein or a characteristic, e.g., "haemoprotein structure," "haemoprotein function."
- In scientific literature, discussions about haemoprotein kinetics, spectroscopy, or engineering refer to the properties and manipulation of these molecules.
- Heme protein: A common alternative spelling, especially in American English.
- Hemeprotein: Another accepted variant spelling.
- Heme: (Noun) The iron-porphyrin complex that is the non-protein part of a haemoprotein.
- Porphyrin: (Noun) The organic, ring-shaped compound that forms the core structure of heme.
- Conjugated protein: (Noun) The broader category of proteins that include a non-amino acid component (prosthetic group), such as a haemoprotein.
- Heme protein
- Hemeprotein
The word haemoprotein has a single, specific scientific meaning. It does not have common idiomatic or figurative uses outside of biochemical contexts.
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a conjugated protein linked to a compound of iron and porphyrin
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