Cysteinepoor
Cysteinepoor, or cysteine-poor, is a descriptive term used in biochemistry and proteomics to refer to proteins or protein regions that have an unusually low number of cysteine residues relative to the protein’s length or to the organism’s typical cysteine content. Cysteine content is one factor that influences protein folding, stability, and redox sensitivity because cysteine side chains can form disulfide bonds and participate in catalytic and regulatory motifs.
Cysteine residues contribute thiol groups that readily form disulfide bonds, stabilizing extracellular and secreted proteins and
Quantification of cysteine content is typically expressed as a percentage of residues that are cysteine or
Examples are broadly observed among intracellular proteins and some structural components, where low cysteine content aligns