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C2196

Sigma-Aldrich

L-Cysteine S-sulfate

≥98% (TLC), suitable for ligand binding assays

Sinonimo/i:

S-Sulfo-L-cysteine

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About This Item

Formula empirica (notazione di Hill):
C3H7NO5S2
Numero CAS:
1637-71-4
Peso molecolare:
201.22
Beilstein:
1726832
Numero MDL:
MFCD00133440
Codice UNSPSC:
12352209
ID PubChem:
24892471
NACRES:
NA.26

product name

L-Cysteine S-sulfate, ≥98% (TLC)

Livello qualitativo

200

Saggio

≥98% (TLC)

Forma fisica

powder

tecniche

ligand binding assay: suitable

Colore

white

Temperatura di conservazione

−20°C

Stringa SMILE

N[C@@H](CSS(O)(=O)=O)C(O)=O

InChI

1S/C3H7NO5S2/c4-2(3(5)6)1-10-11(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1
NOKPBJYHPHHWAN-REOHCLBHSA-N

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Azioni biochim/fisiol

L-Cysteine S-sulfate (LCSS) is used as an NMDA glutamatergic receptor agonist. It serves as a substrate for cystine lyase(s).
Cysteine is one of the functional amino acids that are associated with growth, reproduction, maintenance and immunity. Cysteine is a source of disulfide linkage in protein and is associated with sulfur transport. At physiological pH, cysteine undergoes rapid oxidation to form cystine. Reduced availability of cysteine or cystine, influences leukocyte metabolism. L-Cysteine serves as a precursor for the rate limiting step in glutathione synthesis that occurs in neurons. It donates inorganic sulfate for detoxification reactions. Therefore, L-cysteine might be associated with neuroprotection. It is found to obstruct the entry of heavy metal ions across the blood-brain barrier into the brain. Increased levels of L-cysteine might lead to neurotoxicity.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

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W Xia et al.
Journal of pharmaceutical and biomedical analysis, 19(1-2), 261-268 (2000-03-04)
Neonatal Sprague Dawley rat brain tissue was extracted with methanol, acetonitrile, acetic acid and trifluoroacetic acids (TFA). Among the extractants tested, 0.1 M TFA gave the highest recovery, 73.4 +/- 5.2% (slope of regression of 'added' vs. 'found' and standard
F Orrego et al.
Neuroscience, 56(3), 539-555 (1993-10-01)
The chemical nature of the central transmitter responsible for fast excitatory events and other related phenomena is analysed against the historical background that has progressively clarified the structure and function of central synapses. One of the problems posed by research
Emma J Footitt et al.
Journal of inherited metabolic disease, 34(2), 529-538 (2011-02-10)
Analysis of pyridoxal 5'-phosphate (PLP) concentration in 256 cerebrospinal fluid (CSF) samples from patients with neurological symptoms showed that the variance is greater than indicated by previous studies. The age-related lower reference limit has been revised to detect inborn errors
Desensitization of NMDA receptor channels is modulated by glutamate agonists.
Nahum-Levy R
Biophysical Journal, 80(5), 2152-2166 (2001)
Takeshi Nakatani et al.
Microbial cell factories, 11, 62-62 (2012-05-23)
Escherichia coli has two L-cysteine biosynthetic pathways; one is synthesized from O-acetyl L-serine (OAS) and sulfate by L-cysteine synthase (CysK), and another is produced via S-sulfocysteine (SSC) from OAS and thiosulfate by SSC synthase (CysM). SSC is converted into L-cysteine
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