The form of fetuin has not been determined. This material has not been sequenced. The minimum allowable sialic acid content is 0.5%. The molecular weight is approximately 44,200 daltons. The starting material for this product has a molecular weight of approximately 48,400 including an estimated 8.7% sialic acid. According to the UniPro values for each, the Fetuin-B molecular weight is calculated at 42,663 while the Fetuin-A is 38,419.
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| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
50 mg | Warenkorb auf Verfügbarkeit prüfen | CHF 254.00 |
250 mg | Warenkorb auf Verfügbarkeit prüfen | CHF 274.00 |
1 g | Warenkorb auf Verfügbarkeit prüfen | CHF 743.00 |
Über diesen Artikel
biological source
bovine (calf) serum
Quality Segment
type
Type I (Sigma designation)
form
powder
impurities
salt, essentially free, ≤0.5% N-acetylneuraminic acid
solubility
0.85% sodium chloride: soluble 1 mg/mL
storage temp.
2-8°C
General description
Application
- Zur Quantifizierung der pflanzlichen Rizin-Toxin-B-Untereinheit(RTB)-Lektinaktivität in β-Phaseolin-Signalpeptid(P)-Proinsulin-Gen(INS)-RTB-Pflanzen mittels Enzyme-linked immunosorbent assay (ELISA)[2]
- Zur Quantifizierung des VP7:RTB-Fusionsproteins in transformiertem Kartoffelgewebe mittels ELISA[3]
- Als Glykoproteinsubstrat zum Messen der Rezeptorbindungsaktivität von rekombinanten RTB- und NSP490-RTB-Fusionsproteinen[4]
- Zur Untersuchung der Art der Wechselwirkung zwischen Ferritin und der Plazenta[5]
Biochem/physiol Actions
Preparation Note
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| biological source bovine (calf) serum | biological source bovine | biological source bovine (calf) thymus | biological source bovine (calf) skin |
| form powder | form powder | form powder | form solid |
| solubility 0.85% sodium chloride: soluble 1 mg/mL | solubility H2O: soluble 1.0 mg/mL, clear to hazy, colorless to very faintly yellow | solubility H2O: soluble 10 mg/mL, clear to hazy, colorless to light yellow | solubility 0.1 M acetic acid: 1 mg/mL (Allow to stir at room temperature 1-3 hours until dissolved.) |
| impurities salt, essentially free, ≤0.5% N-acetylneuraminic acid | impurities salt, essentially free, ≤1.0% N-acetylneuraminic acid | impurities - | impurities - |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| type Type I (Sigma designation) | type Type II (Sigma designation) | type Type III-S | type - |
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Lagerklasse
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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To wich fetuin corresponds your product A4781 (Asialofetuin from fetal calf serum). Is it Protein Fetuin-A ? Uniprot entry: P12763 FETUA_BOVIN or protein Fetuin-B ? Uniprot entry: Q58D62 FETUB_BOVIN Do you have de amino acid sequence?
1 answer-
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Hi, What is the difference in Type 1 versus Type II asialofetuin
1 answer-
The difference between the Type I and Type II Asialofetuin products does not represent any kind of biochemical or functional difference. These indicate different methods of production and purification. The Type II option, product A1908, utilizes neuraminadase in an enzymatic cleavage step. The Type I, product A4781, uses a proprietary modification of that described in Spiro, R.G., J. Biol. Chem., 235, 2860 (1960).
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