Brahiurin (EC 3.4.21.32, proteaza I raka, proteaza II raka) je enzim.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

Brahiurin
Identifikatori
EC broj 3.4.21.32
CAS broj 848900-32-3
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
Hidroliza proteina sa širokom specifičnošću za peptidne veze. Prirodni kolagen se razlaže na oko 75% dužine molekula sa N-terminusa. Niska aktivnost na malim molekulskim supstratima tripsina i himotripsina

Ovaj enzim je izolovan iz raka, Uca pugilator.

Reference uredi

  1. Hurion, N., Fromentin, H. and Keil, B. (1979). „Specificity of the collagenolytic enzyme from the fungus Entomophthora coronata: comparison with the bacterial collagenase from Achromobacter iophagus”. Arch. Biochem. Biophys. 192: 438-445. PMID 219780. 
  2. Grant, G.A., Eisen, A.Z. and Bradshaw, R.A. (1981). „Collagenolytic protease from fiddler crab (Uca pugilator)”. Methods Enzymol. 80: 722-734. 
  3. Welgus, H.G., Grant, G.A., Jeffrey, J.J. and Eisen, A.Z. (1982). „Substrate specificity of the collagenolytic serine protease from Uca pugilator: studies with collagenous substrates”. Biochemistry 21: 5183-5189. PMID 6756469. 
  4. Welgus, H.G. and Grant, G.A. (1983). „Degradation of collagen substrates by a trypsin-like serine protease form the fiddler crab Uca pugilator”. Biochemistry 22: 2228-2233. PMID 6305411. 
  5. Klimova, O.A., Borukhov, S.I., Solovyeva, N.I., Balaevskaya, T.O. and Strongin, A.Y. (1990). „The isolation and properties of collagenolytic proteases from crab hepatopancreas”. Biochem. Biophys. Res. Commun. 166: 1411-1420. PMID 2154979. 
  6. Lu, P.-J., Liu, H.-C. and Tsai, I.-H. (1990). „The midgut trypsins of shrimp (Penaeus monodon). High efficiency toward native protein substrates including collagens”. Biol. Chem. Hoppe-Seyler 371: 851-859. PMID 1963309. 

Literatura uredi

Vanjske veze uredi