Otvori glavni meni

Papain (EC 3.4.22.2, papaiotin, sumetrin, velardon, papajina peptidaza I) je enzim.[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju

Papain
Papain cartoon.png
Identifikatori
EC broj 3.4.22.2
CAS broj 9001-73-4
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures
Hidroliza proteina sa širokom specifičšću za peptidne veze sa preferencijom za aminokiseline sa velim hidrofobnim bočnim lancom u P2 poziciji.

Ovaj peptidaza je izolovana iz lateksa ploda papaje (Carica papaya).

ReferenceUredi

  1. Kamphuis, I.G., Drenth, J. and Baker, E.N. (1985). "Thiol proteases. Comparative studies based on the high-resolution structures of papain and actinidin, and on amino acid sequence information for cathepsins B and H, and stem bromelain". J. Mol. Biol. 182: 317–329. PMID 3889350. 
  2. Ménard, R. and Storer, A.C. (1998). "Papain". u: Barrett, A.J., Rawlings, N.D. and Woessner, J.F.. Handbook of Proteolytic Enzymes. London: Academic Press. str. 555-557. 

LiteraturaUredi

  • Ménard, R. and Storer, A.C. (1998). "Papain". u: Barrett, A.J., Rawlings, N.D. and Woessner, J.F.. Handbook of Proteolytic Enzymes. London: Academic Press. str. 555-557. 

Spoljašnje vezeUredi