Mouse Anti S-AdenosylMethionine (SAM) Clone 118-18 | MA00203-50

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ART-MA00203-50
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Description

Mouse Anti S-AdenosylMethionine (SAM) Clone 118-18 | MA00203-50 | Arthus Biosystems

Product name         

Mouse anti-SAM 3a

Catalog Number     

MA00203-50

Description              

Mouse monoclonal antibody to S- Adenosylmethionine [118-18]

Specificity                 

Dosage-dependent competition was detected as a sample was added to a cELISA (Any SAM from a sample competes with the coated SAM heptan to bind HRP-conjugated antibody 118-18). The sample is the product of the following biochemical reaction: Methionine Adenosyltransferase (MAT) was added to methionine and adenosine triphosphate under an appropriate buffer at 37°C. It indicates that antibody 118-18 specifically binds physiologically produced SAM.

Cross Reaction        

MA00203 shows the following reactivity with related compounds: S-Adenosylmethionine: 100%, S-Adenosylhomocysteine: < 1%, Adenosine: < 1%, L-Methionine: < 1%, Methythioadenosine (MTA): < 1%, ADP (adenosine diphosphate) < 1%, ATP (adenosine triphosphate) < 1%

Immunogen              

S- Adenosylmethionine analog conjugated to KLH

Properties

Form                                   

Liquid

Storage instructions          

Store at 4°C, -20°C for long term storage

Storage buffer                   

PBS 10mM pH7.4 (NaCI 150mM), Sodium azide 0.02%, BSA 10mg/m1 or PBS 10mM, pH7.4 (NaCI 150mM), Sodium azide 0.02%, Glycerol 50%, BSA 10mg/m1

Purity                                 

>95% Purified from mouse ascites fluid by affinity chromatography

Clonality                             

Monoclonal

Clone number                     

11 8-1 8

Immunoglobin isotype      

IgG2b

Affinity                               

Ka = 7.68 x 1 09L/mol (1.30 x 10-19M)

Research Areas                  

  • Methylation of biomolecules (DNA, RNA, proteins, hormones, neurotransmitters, etc.)
  • One-carbon metabolism
  • Signal Transduction
  • Metabolism
  • Pathways and Processes Cancers
  • Arthritis
  • Heart diseases
  • Neurodegenerative diseases
  • Atherosclerosis
  • Liver diseases
  • Kidney diseases

Applications

The use of MA00203 in the following tested applications has been tested. The application notes include recommended starting dilutions. Optimal dilutions/concentrations should be determined by the end user. Higher dilution than suggested maybe used in IHC and IF. The product may be used in other not-yet-tested applications.

Notes

  • cELISA:  1:4,000-1:10,000
  • FCM:   1:400
  • IHC:  1:400

Target

S- Adenosylmethionine is a common co-substrate involved in methyl group transfers. It is made from adenosine triphosphate (ATP) and methionine by methionine adenosyltransferase.Transmethylation, transsulfuration, and aminopropylation are the metabolic pathways that use SAM.Although these anabolic reactions occur throughout the body, most SAM is produced and consumed in the liver.

Cellular localization  

Cytoplasm, nuclear

Figure 1:  Competitive ELISA using anti-S-Adenosymethionine monoclonal antibody [118-18] (MA00203)

Figure 2: Immunohistochemistry staining was performed using MA00203 with benign breast tissue adjacent to carcinoma.  Brown areas indicated strong positive staining in nuclear and cytoplasmic areas.

Figure 3: FCM analysis control.Normal liver cells L02 and carcinoma cells Hep G2 were stained with the buffer without any antibody.

 

Figure 4: FCM results from normal liver cell line L02 and hepatocyte carcinoma cell line Hep G2 stained with anti-SAM
monoclonal antibody from clone 118-18. Average fluorescence signal in Hep G2 cells was reduced compared to that in L02
cells, indicating SAM level is reduced during carcinogenesis.

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