Fitepsin (EC 3.4.23.40, Phytepsin) je enzim.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju

Fitepsin
Identifikatori
EC broj 3.4.23.40
CAS broj 219715-98-7
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
Postoji preferencija za hidrofobne ostatke Phe, Val, Ile, Leu, i Ala u P1 i P1', ali se takođe razlažu -Phe-Asp- i -Asp-Asp- veze u 2S albuminu iz biljnog semena

Ovaj enzim je pristan u zrnima ječma.

Reference uredi

  1. Runeberg-Roos, P., Törmäkangas, K. and Östman, A. (1991). „Primary structure of a barley-grain aspartic proteinase. A plant aspartic proteinase resembling mammalian cathepsin D”. Eur. J. Biochem. 202: 1021-1027. PMID 1722454. 
  2. Kervinen, J., Sarkkinen, P., Kalkkinen, N., Mikola, L. and Saarma, M. (1993). „Hydrolytic specificity of the barley grain aspartic proteinase”. Phytochemistry 32: 799-803. PMID 7763475. 
  3. Asakura, T., Watanabe, H., Abe, K. and Arai, S. (1995). „Rice aspartic proteinase, oryzasin, expressed during seed ripening and germination, has a gene organization distinct from those of animal and microbial aspartic proteinases”. Eur. J. Biochem. 232: 77-83. PMID 7556174. 
  4. Kervinen, J., Törmäkangas, K., Runeberg-Roos, P., Guruprasad, K., Blundell, T. and Teeri, T.H. (1995). „Structure and possible function of aspartic proteinases in barley and other plants”. Adv. Exp. Med. Biol. 362: 241-254. PMID 8540324. 

Literatura uredi

Spoljašnje veze uredi