disulfide bond
[/daɪˈsʌlfaɪd bɒnd/]
nounpl: disulfide bonds
ligação de dissulfeto
1. A covalent bond formed between two sulfur atoms, typically between cysteine residues in proteins, that stabilizes protein structure
The disulfide bond between cysteine residues helps maintain the three-dimensional structure of the protein.
A ligação de dissulfeto entre resíduos de cisteína ajuda a manter a estrutura tridimensional da proteína.
2. A chemical linkage (S-S) that cross-links amino acid chains in biological molecules
Disulfide bonds are particularly important in extracellular proteins where they provide additional stability.
As ligações de dissulfeto são particularmente importantes em proteínas extracelulares onde proporcionam estabilidade adicional.
This is a specialized scientific term used primarily in biochemistry, molecular biology, and protein chemistry contexts. It is equally understood in both Brazilian Portuguese and European Portuguese scientific communities, though slightly different spelling variants may be encountered. The term is essential in understanding protein structure, especially in fields like biotechnology and pharmaceutical development.
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