Koagulacioni faktor XIIa

Koagulacioni faktor XIIa
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EC broj3.4.21.38
CAS broj75216-42-1
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Koagulacioni faktor XIIa (EC 3.4.21.38, Hagemanov faktor (aktiviran), krvno-koagulacioni faktor XIIf, aktivirani beta krvno-koagulacioni faktor XII, prealbuminski aktivator, Hagemanov faktor beta-fragment, Hagemanov faktor fragment HFf, krvno-koagulacioni faktor XIIabeta, prekalikreinski aktivator, kalikreinogenski aktivator) je enzim.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

Selectivno razlaganje Arg-Ile veza u faktoru VII čime se formira faktor VIIa, i faktora XI čime se formira faktor XIa

Ovaj enzim takođe aktivira plazminogen i prokalikrein plazme.

Reference

  1. ^ Fujikawa, K. & Davie, E.W. (1981). „Human factor XII (Hageman factor)”. Methods Enzymol. 80: 198—211. PMID 6918768. 
  2. ^ Cho, K.; Tanaka, T.; Cook, R.R.; Kisiel, W.; Fujikawa, K.; Kurachi, K. & Powers, J.C. (1984). „Active-site mapping of bovine and human blood coagulation serine proteases using synthetic peptide 4-nitroanilide and thio ester substrates”. Biochemistry. 23: 644—650. PMID 6370301. 
  3. ^ Que, B.G. & Davie, E.W. (1986). „Characterization of a cDNA coding for human factor XII (Hageman factor)”. Biochemistry. 25: 1525—1528. PMID 3011063. 
  4. ^ Fujikawa, K. (1988). „Bovine Hageman factor and its fragments”. Methods Enzymol. 163: 54—68. PMID 3237089. 
  5. ^ Silverberg, M. & Kaplan, A.P. (1988). „Human Hageman factor and its fragments”. Methods Enzymol. 163: 68—80. PMID 3237092. 

Literatura

  • Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X. 
  • Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). Wiley-Interscience. ISBN 0471205036. 
  • Branden C; Tooze J. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN 0-8153-2305-0. 
  • Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 изд.). Wiley Classics Library. ISBN 0471303097. 
  • William P. Jencks (1987). Catalysis in Chemistry and Enzymology. Dover Publications. ISBN 0486654605. 

Spoljašnje veze

  • Coagulation+factor+XIIa на US National Library of Medicine Medical Subject Headings (MeSH)
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  • B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6
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