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Literature summary extracted from

  • Senyuk, V.; Rotari, V.; Becker, C.; Zakharov, A.; Hortmann, C.; Müntz, K.; Vaintraub, I.
    Does an asparaginyl-specific cysteine endopeptidase trigger phaseolin degradation in cotyledons of kidney bean seedlings ? (1998), Eur. J. Biochem., 258, 546-558.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.4.22.34 DNA and amino acid sequence determination and analysis Phaseolus vulgaris

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.34 iodoacetamide 11.6% remaining activity Phaseolus vulgaris
3.4.22.34 iodoacetate 55.8 remaining activity Phaseolus vulgaris
3.4.22.34 additional information no inhibition with EDTA, PMSF, pepstatin A, leupeptin, and E-64 Phaseolus vulgaris
3.4.22.34 N-ethylmaleimide 16.6% remaining activity Phaseolus vulgaris

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.34 38100
-
x * 38100, mature enzyme, SDS-PAGE, x * 53400, pre-proenzyme, SDS-PAGE Phaseolus vulgaris
3.4.22.34 53400
-
x * 38100, mature enzyme, SDS-PAGE, x * 53400, pre-proenzyme, SDS-PAGE Phaseolus vulgaris

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.4.22.34 phaseolin + H2O Phaseolus vulgaris initiation of phaseolin proteolysis, enyme plays a key role in mobilization of phaseolin during and after kidney bean germination ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.34 Phaseolus vulgaris O24325 legumain-like proteinase LLP
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.4.22.34 no glycoprotein but enzyme contains 1 putative N-glycosylation site at N326 Phaseolus vulgaris
3.4.22.34 proteolytic modification putative cleavage site is N367-E368 Phaseolus vulgaris

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.34 44fold Phaseolus vulgaris

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.34 cotyledon germinated, developmental pattern Phaseolus vulgaris
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.4.22.34 7.04
-
purified enzyme, substrate casein Phaseolus vulgaris

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.34 casein + H2O
-
Phaseolus vulgaris ?
-
?
3.4.22.34 phaseolin + H2O
-
Phaseolus vulgaris ?
-
?
3.4.22.34 phaseolin + H2O initiation of phaseolin proteolysis, enyme plays a key role in mobilization of phaseolin during and after kidney bean germination Phaseolus vulgaris ?
-
?

Subunits

EC Number Subunits Comment Organism
3.4.22.34 ? x * 38100, mature enzyme, SDS-PAGE, x * 53400, pre-proenzyme, SDS-PAGE Phaseolus vulgaris

Synonyms

EC Number Synonyms Comment Organism
3.4.22.34 asparaginyl-specific cysteine endopeptidase
-
Phaseolus vulgaris

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.4.22.34 30
-
assay at Phaseolus vulgaris

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.34 5.6
-
assay at Phaseolus vulgaris