Papain

Preferential cleavage:

Xaa = any amino acid residue
hydrophobic = Ala, Val, Leu, Ile, Phe, Trp, Tyr
↓ = cleavage site
 P6P5P4P3P2P1P1′P2′P3′P4′
 XaaXaaXaaXaahydrophobicArgnot ValXaaXaaXaa
 XaaXaaXaaXaahydrophobicLysnot ValXaaXaaXaa

Amino Acids Reference Chart

Product #

Description

EC Number

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P3125 Papain from papaya latex buffered aqueous suspension, 2× Crystallized, 16-40 units/mg protein 3.4.22.2  ( BRENDA | IUBMB )
P3375 Papain from papaya latex crude powder, 1.5-10 units/mg solid 3.4.22.2  ( BRENDA | IUBMB )
P4762 Papain from papaya latex lyophilized powder, ≥10 units/mg protein 3.4.22.2  ( BRENDA | IUBMB )
P5306 Papain from papaya latex lyophilized powder, aseptically filled 3.4.22.2  ( BRENDA | IUBMB )
P4406 Papain Agarose from papaya latex lyophilized powder, 90-150 units/mL packed gel