Enzyme Details

 EC Classification 3.4.22.2
 Enzyme name
(recommended)		 papain
 Alternative names papayotin
summetrin
velardon
papaine
Papaya peptidase I
 Classification
Hydrolases
Acting on peptide bonds (peptide hydrolases)
Cysteine endopeptidases
 Catalyses reactions
H2O + t-Butyloxycarbonyl-Ala-Ala-Gly-p-nitroanilide <-> 4-Nitroaniline + t-Butyloxycarbonyl-Ala-Ala-Gly
H2O + Benzyloxycarbonyl-phenylalanine-arginine 4-methylcoumarin-7-ylamide <-> Benzyloxycarbonyl-Phe-Arg + 7-Amino-4-methylcoumarin
H2O + 2-Aminobenzoyl-FQQP-3-nitrotyrosine-D <-> QP-3-nitrotyrosine-D + 2-Aminobenzoyl-FQ
H2O + 2-Aminobenzoyl-QQIIFQQPQQ-3-nitrotyrosine-D <-> QPQQ-3-nitrotyrosine-D + 2-Aminobenzoyl-QQIIFQ
H2O + 2-Aminobenzoyl-QIIFQQPQQS-3-nitrotyrosine-PPD <-> QPQQS-3-nitrotyrosine-PPD + 2-Aminobenzoyl-QIIFQ
H2O + 2-Aminobenzoyl-FRQQ-3-nitrotyrosine-D <-> QQ-3-nitrotyrosine-D + 2-Aminobenzoyl-FR
H2O + 2-Aminobenzoyl-QPFRQQ-3-nitrotyrosine-D <-> QQ-3-nitrotyrosine-D + 2-Aminobenzoyl-QPFR
H2O + 2-Aminobenzoyl-QQPFRQQAEL-3-nitrotyrosine-PPD <-> QQAEL-3-nitrotyrosine-PPD + 2-Aminobenzoyl-QQPFR
H2O + 2-Aminobenzoyl-VQQP-3-nitrotyrosine-D <-> QP-3-nitrotyrosine-D + 2-Aminobenzoyl-VQ
H2O + 2-Aminobenzoyl-FPVQQPF-3-nitrotyrosine-D <-> QPF-3-nitrotyrosine-D + 2-Aminobenzoyl-FPVQ
H2O + 2-Aminobenzoyl-LQQP-3-nitrotyrosine-D <-> QP-3-nitrotyrosine-D + 2-Aminobenzoyl-LQ
H2O + 2-Aminobenzoyl-QSYLQQPYPQ-3-nitrotyrosine-PPD <-> QPYPQ-3-nitrotyrosine-PPD + 2-Aminobenzoyl-QSYLQ
H2O + 2-Aminobenzoyl-LQSP-3-nitrotyrosine-D <-> 2-Aminobenzoyl-LQ + SP-3-nitrotyrosine-D
H2O + 2-Aminobenzoyl-SQELQSPQQS-3-nitrotyrosine-PPD <-> SPQQS-3-nitrotyrosine-PPD + 2-Aminobenzoyl-SQELQ
H2O + 2-Aminobenzoyl-LQPQ-3-nitrotyrosine-D <-> 2-Aminobenzoyl-LQ + PQ-3-nitrotyrosine-D
H2O + 2-Aminobenzoyl-FPQQ-3-nitrotyrosine-D <-> QQ-3-nitrotyrosine-D + 2-Aminobenzoyl-FP
H2O + 2-Aminobenzoyl-QPQQP-3-nitrotyrosine-D <-> QP-3-nitrotyrosine-D + 2-Aminobenzoyl-QPQ
H2O + 2-Aminobenzoyl-SQQP-3-nitrotyrosine-D <-> QP-3-nitrotyrosine-D + 2-Aminobenzoyl-SQ
H2O + N-Benzoyl-L-arginine-4-nitroanilide <-> 4-Nitroaniline + N-Benzoyl-L-arginine
 External links Expasy
KEGG
BRENDA
IntEnz (EBI)
IUBMB
Reactome
MetaCrop


View all entries for EC Class: 3.4.22.2



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