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Antioxidant
- Protein Control Ligand
- Pathway Inhibitors
- Enzyme Inhibitors
- Kinase Inhibitors
- Protease
- Synthase
- p18
- p38
- p53
- p70
- p90
- Peptidase
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- Ceramide Turnover Enzymes
- Chromatin Modifying Enzymes
- Cyclic Nucleotide Turnover Enzymes
- Glycerophospholipid Turnover Enzymes
- Hydroxylases
- Ubiquitin-Activating Enzyme
- Adenosine Deaminase
- Clathrin
- Nuclease
- p68
- ACE
- COX
- DHFR
- Neprilysin
- NF-κB
- RAF
- RAS
- Reductase
- ROR
- Topoisomerase
- Transferase
- Protein Inhibitors
- Transporter Inhibitors
- Cell Inhibition
- Synthase
- Receptor Tyrosine Phosphatases (RTP)
- AChE
- Peptidase
- Autophagy
- Toll-Like Receptor (TLR)
- Enzyme Inhibitors
- Function Modulators
- Activators
- G Protein-Coupled Receptor Ligands
- 5HT Receptors
- Adrenoceptor
- Angiotensin Receptor
- Cannabinoid Receptors
- CCK Receptors
- DA Receptors
- EAA Receptors
- Ghrelin Receptors
- GABA Receptors
- Histamine Receptors
- Leukotriene Receptors
- Metabotropic Glutamate Receptors
- Motilin Receptors
- Muscarinic Receptor
- Neuropeptide Receptors
- Opioid Receptors
- Orexin Receptors
- Orphan Receptors
- Prostanoid Receptors
- Proteinase-Activated Receptors
- Purinergic Receptors
- Ryanodine receptor
- Sigma Receptors
- Thrombin Receptor
- Vaniloid Receptor
- VIP and PACAP Receptors
- Neurotensin Receptors
- Urotensin Receptor
- Imidazoline receptor
- SMO Receptors
- Apelin Receptor
- β-arrestin/β2-adaptin
- KDM4
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- Amylin Receptor
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- CFTR
- CGRP Receptor
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- Ephrin Receptor
- Farnesoid X receptor (FXR)
- Glucagon Receptor
- Nuclear Receptor Ligands
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- Transcription Factors
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- Biomarkers and Buffer Solutions
- Molecular Probes
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View larger Data sheet
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.3 |
| CAS Numbers | 56-89-3 |
| Storage Condition | 0C Short Term, -20C Long Term |
| Solubility | DMSO |
| Purity | 98% by HPLC |
| Synonym | |
| IUPAC/Chemical Name | |
| InChl Key | |
| InChl Code | |
| SMILES Code | [C@H](CSSC[C@@H](C(O)=O)N)(C(O)=O)N |
| References | Ohtsu I, et al. Uptake of L-cystine via an ABC transporter contributes defense of oxidative stress in the L-cystine export-dependent manner in Escherichia coli. PLoS One. 2015 Apr 2;10[3] e0120619. |
More info
L-Cystine (Cystine Acid) is not considered one of the 20 amino acids, L-Cystine (Cystine Acid) is a sulfur-containing derivative obtained from oxidation of cysteine amino acid thiol side chains. It functions as an antioxidant and protects tissues against radiation and pollution, slowing the aging process. It also aids protein synthesis. L-Cystine (Cystine Acid) is abundant in many proteins of skeletal tissues and skin, and found in insulin and digestive enzymes chromotrypsinogen A, papain, and trypsinogen.