cystine bridge

[ˈsɪs.tiːn ˈbrɪdʒ]
nounpl: cystine bridges
ponte de cistina
1. A disulfide bond formed between two cysteine amino acids, creating a cross-link in proteins that stabilizes their three-dimensional structure
The cystine bridge between the two cysteine residues provides structural stability to the protein.
A ponte de cistina entre os dois resíduos de cisteína fornece estabilidade estrutural à proteína.
2. A covalent bond formed by the oxidation of two cysteine molecules, commonly found in extracellular proteins
Cystine bridges are particularly important in stabilizing the structure of antibodies and hormones.
As pontes de cistina são particularmente importantes na estabilização da estrutura de anticorpos e hormônios.
This is a specialized scientific and biochemistry term used universally in academic and research contexts across both Brazil and Portugal. It is not subject to regional variations or colloquial usage, as it is part of the standardized nomenclature in molecular biology and biochemistry. The term is essential in understanding protein chemistry and structural biology.
Synonyms / Sinônimos
disulfide bridgedisulfide bondS-S bonddisulfide linkage

Regional Variations

General Brazilian Portuguese
ponte de cistina
standard scientific terminology used in textbooks and research
Portugal
ponte de cistina
same terminology as Brazilian Portuguese; technical term
Spain/Spanish-speaking
puente de cistina
for reference in multilingual contexts

Related Words

cysteinedisulfideprotein structureamino acidtertiary structureoxidation
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