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K2638

Sigma-Aldrich

Kallikrein from human plasma

buffered aqueous solution, ≥5 units/mg protein

Sinônimo(s):

Kininogenase, Kininogenin

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50 μG
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50 μG
R$ 4.955,00

About This Item

Número CAS:
Número da licença da enzima:
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54

R$ 4.955,00


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Formulário

buffered aqueous solution

Nível de qualidade

atividade específica

≥5 units/mg protein

nº de adesão UniProt

Condições de expedição

dry ice

temperatura de armazenamento

−20°C

Informações sobre genes

human ... KLK1(3816)

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Descrição geral

Kallikrein-related peptidases belong to the family of 15 highly conserved trypsin- or chymotrypsin-like serine proteases.[1] Plasma kallikrein (PK) is a serine protease derived from plasma prekallikrein, a zymogen found at higher levels in blood circulation.[2] The KLKB1 gene is located on the human chromosome at 4q35.2.[3]

Aplicação

Kallikrein from human plasma has been used:

  • to culture human hepatocellular carcinoma cell line[4]
  • to study its effects on the cleavage of Neisserial heparin binding antigen (NHBA) from Neisseria meningitidis[5]
  • in peptidase inhibition assay[6]

Ações bioquímicas/fisiológicas

Plasma kallikrein (PK) is involved in the synthesis of bradykinin, maintaining the blood metabolite levels and hypertension. It also participates in the activation of coagulation factor XII, which promotes inflammation and the intrinsic coagulation pathway.[2] PK controls proteolytic cascades in the cardiovascular system like the kallikrein-kinin system, renin-angiotensin system, fibrinolytic system, and the alternative complement pathway.[7] It is involved in the cleavage of glucagon-like peptide-1 (GLP-1) and neuropeptide Y (NPY) which suggests that plasma kallikrein may affect metabolism and diabetes.[2]

Definição da unidade

One unit will hydrolyze 1.0 μmole of Nα-benzoyl-L-arginine ethyl ester (BAEE) to Nα-benzoyl-L-arginine and ethanol per min at pH 8.7 at 25°C.

forma física

Solution in 20 mM Tris-HCl, pH 7.8 with 100 mM NaCl.

Código de classe de armazenamento

12 - Non Combustible Liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Elisa Pantano et al.
PloS one, 14(8), e0203234-e0203234 (2019-08-02)
Neisserial Heparin Binding Antigen (NHBA) is a surface-exposed lipoprotein of Neisseria meningitidis and a component of the Bexsero vaccine. NHBA is characterized by the presence of a highly conserved Arg-rich region involved in binding to heparin and heparan sulphate proteoglycans
Ekaterina Zubareva et al.
Pharmaceuticals (Basel, Switzerland), 14(11) (2021-11-28)
The disfunction or deficiency of the C1 esterase inhibitor (C1INH) is associated with hereditary or acquired angioedema (HAE/AAE), a rare life-threatening condition characterized by swelling in the skin, respiratory and gastrointestinal tracts. The current treatment options may carry the risks
Xueqing Xu et al.
Nucleic acids research, 37(22), 7381-7393 (2009-10-13)
A subtelomeric region, 4q35.2, is implicated in facioscapulohumeral muscular dystrophy (FSHD), a dominant disease thought to involve local pathogenic changes in chromatin. FSHD patients have too few copies of a tandem 3.3-kb repeat (D4Z4) at 4q35.2. No phenotype is associated
R Dellalibera-Joviliano et al.
Scandinavian journal of immunology, 71(4), 292-297 (2010-04-14)
In the present study, we evaluated the kinin system components in the plasma of patients with systemic lupus erythematosus exhibiting mucocutaneous lesions. Fifteen women with active cutaneous lupus (P) and 15 normal healthy women (C) were studied. Low molecular (LKg)
Allen P Kaplan et al.
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology, 104(3), 193-204 (2010-04-10)
To review the mechanisms by which bradykinin is generated in hereditary angioedema (HAE) (C1 inhibitor deficiency), including the role of human plasma proteins and endothelial cells. Published articles in reviewed journals that address (1) the fundamentals of bradykinin formation, (2)

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