Target intelligence / Profile preview

Thiol Group-Containing Protein

Molecular classification
Enzyme, Structural Protein, Receptor, Transcription factor, Other
01

Overview

A thiol group-containing protein is any protein that possesses one or more thiol (–SH) groups, typically contributed by the amino acid cysteine. These thiol groups are highly reactive and play essential roles in protein structure, function, and regulation, including redox activity, catalysis, metal binding, and disulfide bond formation. They are involved in diverse biological processes and their dysregulation is implicated in various diseases.

Other names
Cysteine-containing proteinSulfhydryl-containing protein
02

Mechanism of action

Varies depending on the specific protein. Includes: Inhibition of enzyme activity via thiol modification, disruption of protein structure via disulfide bond interference, chelation of heavy metals.

03

Biological functions

Redox regulationCatalysisProtein foldingStructural stabilizationCell signalingMetal binding
04

Disease associations

Neurodegenerative diseaseCancerCardiovascular diseaseInflammationHeavy metal toxicityOxidative stress-related diseases
05

Safety considerations

Non-selective modification of thiol groups can lead to off-target effects.Heavy metal toxicity due to irreversible binding to thiol groups.Disruption of redox balance.Potential for immune response if modified protein becomes immunogenic
06

Interacting drugs

Captopril

2 more in the full profile.

07

Biomarkers

Levels of specific thiol-containing proteins (e.g., glutathione)Oxidation status of cysteine residuesProtein adducts with electrophilic compounds

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