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Streptokinase (peptidolytic)

pharmaceutical raw materials
Streptokinase (peptidolytic) structure

Streptokinase (peptidolytic) 

structure
  • CAS No:

    9002-01-1

  • Chemical Name:

    Streptokinase (peptidolytic)

  • Synonyms:

    Streptokinase (peptidolytic);Streptokinase (peptidolytic);Kinase (enzyme-activating),strepto-;Streptococcal fibrinolysin;Streptokinase;Kabikinase;Streptase;Awelysin;Plasminokinase,streptococcal;Celiase;Streptodecase

  • Categories:

    Biochemical Engineering  >  Enzymes and Coenzymes Drugs

Streptokinase (peptidolytic) Basic Attributes

197.27406

197.141586

232-647-1

Characteristics

49.3

1.99

lyophilized powder

1.1±0.1 g/cm3

343.9±35.0 °C at 760 mmHg

161.8±25.9 °C

1.517

−20°C

LD50 oral in mouse: > 10gm/kg

Safety Information

NONH for all modes of transport

3

36/37/38

22-24/25-36-26

OB8880000

B,Xi

P261, P285, P304+P341, P342+P311, P501

H334

|Danger|H334 (100%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]|P261, P285, P304+P341, P342+P311, and P501|Aggregated GHS information provided by 131 companies from 1 notifications to the ECHA C&L Inventory.

Streptokinase (peptidolytic) Use and Manufacturing

Methods of Manufacturing

One to three levels of seed culture β-hemolytic streptococcus three-level seed culture → three-level seed culture broth fermentation culture third-level seed broth fermentation culture → fermentation broth adsorption and elution fermentation broth ^ cholesterol ethanol solution; 724 resin; pH 7.5 → 5→Adsorption and adsorbent pH7.2→Elution eluent salting out, precipitation, isoelectric point treatment eluent (NH4)2SO${4;pH7;100C→salting out precipitation H2O;Na3PO4;Ca(Ac)2 →Calcium phosphate treatment enzyme solution methanol; pH5.2→precipitation precipitation crude enzyme H2O; pH7.2→isoelectric point treatment enzyme crude liquid precipitation, pre-adsorption, isoelectric point treatment enzyme crude liquid methanol; pH5.4→precipitation Precipitate DEAE-cellulose; pH6.6→pre-adsorption washing filtrate NaCl;ph5;H2O;pH7.2→isoelectric point treatment enzyme solution adsorption, concentrated enzyme solution DEAE-cellulose; phosphate buffer; pH6.6→adsorption ; Elution eluate NaCl; H2O; pH3.5→6→concentrated DEAE-cellulose; phosphate buffer; pH6.6→adsorption; elution eluate to remove pyrogen, bacteria, lyophilized eluate Hydrolyzed transparent glue; pH7.4→depyrogenation; bacteria; freeze-dried streptokinase preparation for injection

Uses

Enzyme drugs.

Computed Properties

Molecular Weight:197.27
XLogP3:0.3
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:2
Exact Mass:197.141578849
Monoisotopic Mass:197.141578849
Topological Polar Surface Area:49.3
Heavy Atom Count:14
Complexity:211
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Drug Function and Efficacy

Recombinant streptokinase combines with plasminogen in a 1:1 molar ratio to form a complex, which then activates plasminogen into plasmin. Plasmin catalyzes the hydrolysis of fibrin, the main matrix of thrombus, thereby dissolving the thrombus and reopening the blood vessels. At the same time, the thrombolytic effect of recombinant streptokinase is enhanced by the presence of fibrin. Therefore, recombinant streptokinase can effectively and specifically dissolve thrombus or blood clots, and can treat diseases with thrombosis as the main pathological change.

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

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