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Merck
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SRE0001

Sigma-Aldrich

Pepsina from porcine gastric mucosa

Suitable for manufacturing of diagnostic kits and reagents, lyophilized powder, ≥3200 units/mg protein

Sinónimos:

Pepsina A, Pepsina from hog stomach

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About This Item

Número de CAS:
9001-75-6
Comisión internacional de enzimas:
3.4.23.1 (BRENDA, IUBMB)
EC Number:
232-629-3
MDL number:
MFCD00081840
UNSPSC Code:
12352204
NACRES:
NA.54

Quality Level

400

form

lyophilized powder

specific activity

≥3200 units/mg protein

mol wt

35 kDa

impurities

salt, essentially free

color

white to off-white

UniProt accession no.

P00791

application(s)

diagnostic assay manufacturing

shipped in

wet ice

storage temp.

−20°C

Gene Information

pig ... LOC396892(396892)

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Application

Puede utilizarse hidrólisis con pepsina para producir los fragmentos F(ab′)2 de los anticuerpos. pepsina en www.sigma-aldrich.com/enzymeexplorer

Biochem/physiol Actions

Escisión preferente: residuos hidrófobos y aromáticos en las posiciones P1 y P1′. Rompe los enlaces Phe-Val, Gln-His, Glu-Ala, Ala-Leu, Leu-Tyr, Tyr-Leu, Gly-Phe, Phe-Phe y Phe-Tyr en la cadena β de la insulina

Unit Definition

One unit will produce a ΔA280 of 0.001 per min at pH2.0 at 37° C, measured as TCA-soluble products using hemoglobin as substrate. (Final volume = 16mL. Light path = 1cm.)

Analysis Note

pH óptimo es 2-4. Activa en urea 4 M y HCl de guanidina 3 M. Estable a 60 ºC. La pepsina se desactiva de manera irreversible a pH 8,0 - 8,5.
Protein determined by E1%/280

Other Notes

View more information on pepsin at www.sigma-aldrich.com/enzymeexplorer.

inhibitor

Referencia del producto
Descripción
Precios

P5318

Pepstatina A, microbial, ≥90% (HPLC)

P7626

Fluoruro de fenilmetansulfonilo, ≥98.5% (GC)

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Joseph S Fruton
The Quarterly review of biology, 77(2), 127-147 (2002-07-02)
Studies on gastric digestion during 1820-1840 led to the discovery of pepsin as the agent which, in the presence of stomach acid, causes the dissolution of nutrients such as meat or coagulated egg white. Soon afterward it was shown that
J Tack
Alimentary pharmacology & therapeutics, 22 Suppl 1, 48-54 (2005-07-27)
Gastro-oesophageal reflux disease is defined as the presence of symptoms or lesions that can be attributed to the reflux of gastric contents into the oesophagus. Aspiration and prolonged monitoring studies in humans have shown that reflux of gastric contents is
J A Green et al.
Reviews of reproduction, 3(1), 62-69 (1998-03-24)
The pregnancy-associated glycoproteins (PAGs) were first described as placental antigens of cattle that were also present in the blood serum of the mother after implantation. Molecular cloning studies have shown that they are members of the aspartic proteinase gene family
Tina L Samuels et al.
The Annals of otology, rhinology, and laryngology, 119(3), 203-208 (2010-04-16)
Diagnosis of extraesophageal reflux (EER) currently relies on tools designed for diagnosis of gastroesophageal reflux. Such tools lack the sensitivity and reproducibility to detect the less frequent and mildly acidic reflux associated with upper airway disease. Pepsin has been posited
Adrian Allen et al.
American journal of physiology. Cell physiology, 288(1), C1-19 (2004-12-14)
Secretion of bicarbonate into the adherent layer of mucus gel creates a pH gradient with a near-neutral pH at the epithelial surfaces in stomach and duodenum, providing the first line of mucosal protection against luminal acid. The continuous adherent mucus
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