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P4649

Sigma-Aldrich

Phosphorylase b from rabbit muscle

For use as a marker in SDS-PAGE

Sinonimo/i:

α-Glucan Phosphorylase, 1,4-α-D-Glucan:orthophosphate α-D-glucosyltransferase, Glycogen Phosphorylase

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1 VIAL
CHF 66.30

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About This Item

Numero CAS:
Classificazione EC (Enzyme Commission):
Numero CE:
Numero MDL:
Codice UNSPSC:
12352204
NACRES:
NA.54

CHF 66.30


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Livello qualitativo

Stato

powder

PM

observed mol wt ~97 kDa

Confezionamento

vial of 0.5 mg

Temperatura di conservazione

2-8°C

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Descrizione generale

Phosphorylase b is a dimer, usually exists in inactive form in the skeletal muscles.[1][2] Equilibrium exists between an active relaxed (R) state and a less active tense (T). Phosphorylase b favors the T state.[3] The enzyme possesses three domains, the N-terminal domain, glycogen-binding domain and the C-terminal domain.[1]

Applicazioni

Phosphorylase b from rabbit muscle has been used as a molecular weight marker in 12% polyacrylamide gel for keratinase,[4] and stress-70 protein.[5]
Phosphorylase b from rabbit muscle is to be used as a marker in SDS-PAGE. Phosphorylase b is used during chemical cross-linking studies as a SDS-PAGE molecular weight standard[6][7].

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

Eyeshields, Gloves, type N95 (US)


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Phosphorylase Is Regulated by Allosteric Interactions and Reversible Phosphorylation
Berg JM, et al.
Biochemistry (2011)
C Donnet et al.
The Journal of biological chemistry, 276(10), 7357-7365 (2000-12-02)
Thermal denaturation can help elucidate protein domain substructure. We previously showed that the Na,K-ATPase partially unfolded when heated to 55 degrees C (Arystarkhova, E., Gibbons, D. L., and Sweadner, K. J. (1995) J. Biol. Chem. 270, 8785-8796). The beta subunit
B Chen et al.
The Journal of biological chemistry, 275(45), 34946-34953 (2000-08-17)
The envelope glycoprotein, gp160, of simian immunodeficiency virus (SIV) shares approximately 25% sequence identity with gp160 from the human immunodeficiency virus, type I, indicating a close structural similarity. As a result of binding to cell surface CD4 and co-receptor (e.g.
Crystallographic studies on the activity of glycogen phosphorylase b
Weber IT, et al.
Nature, 274(5670), 433-433 (1978)
Signal Transduction and Protein Phosphorylation (2012)

Questions

1–2 of 2 Questions  
  1. Has the amino acid sequence of phosphorylase from rabbit muscle been published?

    1 answer
    1. The sequence has been published. The amino acid composition is:Asp5l, Asn45, Thr35, Ser29, Glu64, Gln31, Pro36, Gly48, Ala63, Cys9, Val62, Met2l, Ile49, Leu79, Tyr36, Phe38, Trp12, Lys48, HiS22, and Arg63. Reference for the sequence and amino acid composition: K. Titani et al., Proc. Nat. Acad. Sci., USA, 74, 4762-4766 (1977) (see attached pdf).Product P1261 is phosphorylase a, which is the tetrameric form. Products P4649 and P6635 are phosphorylase b, the dimeric  form. The sequence information of the subunit would be the same for both forms.

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  2. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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