L-Serine CAS 56-45-1 L-Serine USP Grade H-Ser-OH ino-3-hydroxypropionic acid 3-Hydroxy-alanine Ser Serine L-2-Am

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Basic Info.
  • Brand Name: MOSINTER 
  • CAS No.: 98.5min 
  • Density: 1.6 
  • Place of Origin: Shandong  
  • Min.Order: 10 Kilogram
  • Means of Transport: Land, Ocean, Air
Supply Capacity
  • Production Capacity: 150 Ton/Year
  • Packing:According to the request of customer
  • Delivery Date: within 7 days

L-Serine (CAS: 56-45-1)

 

Item

Index

Appearance

White crystalline powder

Content

98.5%min

Melting point

222 °C (dec.)(lit.)

Specific rotation

15.2 º (C=10, 2N HCl)

Flash point

150 ºC

Sublimation   point

150 ºC

Solubility

(in water), at 20℃

250 g/L

Serine (abbreviated as Ser or S) is an amino acid with the formula HO2CCH(NH2)CH2OH. It is one of the proteinogenic amino acids. Its codons in thegenetic code are UCU, UCC, UCA, UCG, AGU and AGC. By virtue of the hydroxyl group, serine is classified as a polar amino acid.

Biological function

Metabolic

Cysteine synthesis from serine.Cystathionine beta synthase catalyzes the upper reaction andcystathionine gamma-lyase catalyzes the lower reaction.

Serine is important in metabolism in that it participates in the biosynthesis of purines and pyrimidines. It is the precursor to several amino acids including glycine and cysteine, and tryptophan in bacteria. It is also the precursor to numerous other metabolites, including sphingolipids and folate, which is the principal donor of one-carbon fragments in biosynthesis.

Structural role

Serine plays an important role in the catalytic function of many enzymes. It has been shown to occur in the active sites of chymotrypsin, trypsin, and many other enzymes. The so-called nerve gases and many substances used in insecticides have been shown to act by combining with a residue of serine in the active site ofacetylcholine esterase, inhibiting the enzyme completely.

As a constituent (residue) of proteins, its side chain can undergo O-linked glycosylation, which may be functionally related to diabetes.

It is one of three amino acid residues that are commonly phosphorylated by kinases during cell signaling in eukaryotes. Phosphorylated serine residues are often referred to as phosphoserine.

Serine proteases are a common type of protease.

Signaling

D-Serine, synthesized in the brain by serine racemase from L-serine (its enantiomer), serves as both a neurotransmitter and a gliotransmitter by coactivating NMDA receptors, making them able to open if they then also bind glutamate. D-serine is a potent agonist at the glycine site of the NMDA-type glutamate receptor. For the receptor to open, glutamate and either glycine or D-serine must bind to it. In fact, D-serine is a more potent agonist at the glycine site on the NMDAR than glycine itself. D-serine was only thought to exist in bacteria until relatively recently; it was the second D amino acid discovered to naturally exist in humans, present as a signalling molecule in the brain, soon after the discovery of D-aspartate. Had D amino acids been discovered in humans sooner, the glycine site on the NMDA receptor might instead be named the D-serine site.

Gustatory sensation

Pure D-serine is an off-white crystalline powder with a very faint musty aroma. L-Serine is sweet with minor umami and sour tastes at high concentration. D-Serine is sweet with an additional minor sour taste at medium and high concentrations.

Research for therapeutic use

D-Serine is being studied in rodents as a potential treatment for schizophrenia and L-serine is in FDA-approved human clinical trials as a possible treatment for ALS.



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MOSINTER GROUP LIMITED
Guangbo Center Office 2001, YinXianDaDao 1357, Ningbo, Zhejiang, China (Mainland) / 315100
Fax: +86-574-89212215
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