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Literature summary extracted from

  • Müntz, K.; Shutov, A.D.
    Legumains and their functions in plants (2002), Trends Plant Sci., 2, 1360-1385.
No PubMed abstract available

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.4.22.34
-
 Vicia sativa
3.4.22.34 expression of inactive precursor enzyme in yeast and insect cells, expression of a processing-site mutant in yeast and subsequent in vitro processing study Ricinus communis

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.4.22.34 cell wall
-
 Vicia sativa 5618
-
3.4.22.34 cell wall
-
 Arabidopsis thaliana 5618
-
3.4.22.34 cell wall
-
 Ricinus communis 5618
-
3.4.22.34 cell wall
-
 Nicotiana tabacum 5618
-
3.4.22.34 ER body special proteinase-storage vesicle that contain the enzyme precursor, which is probably packed together with its storage-protein substrates Arabidopsis thaliana 10168
-
3.4.22.34 additional information proenzyme is probably attached to its storage-protein substrates Ricinus communis
-
-
3.4.22.34 additional information proenzyme is probably attached to its storage-protein substrates Nicotiana tabacum
-
-
3.4.22.34 vacuole protein storage vacuoles Vicia sativa 5773
-
3.4.22.34 vacuole protein storage vacuoles Arabidopsis thaliana 5773
-
3.4.22.34 vacuole protein storage vacuoles Ricinus communis 5773
-
3.4.22.34 vacuole protein storage vacuoles Nicotiana tabacum 5773
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.4.22.34 11S proglobulin + H2O Vicia sativa processing to the active trimer ?
-
 ?
3.4.22.34 11S proglobulin + H2O Arabidopsis thaliana processing to the active trimer ?
-
 ?
3.4.22.34 11S proglobulin + H2O Ricinus communis processing to the active trimer ?
-
 ?
3.4.22.34 11S proglobulin + H2O Canavalia ensiformis processing to the active trimer ?
-
 ?
3.4.22.34 11S proglobulin + H2O Nicotiana tabacum processing to the active trimer ?
-
 ?
3.4.22.34 additional information Vicia sativa during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview ?
-
 ?
3.4.22.34 additional information Arabidopsis thaliana during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview ?
-
 ?
3.4.22.34 additional information Ricinus communis during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview ?
-
 ?
3.4.22.34 additional information Canavalia ensiformis during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview ?
-
 ?
3.4.22.34 additional information Nicotiana tabacum during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview ?
-
 ?
3.4.22.34 papain-like cysteine proteinase precursors + H2O Arabidopsis thaliana involved in the senescing of tissues and cell death activated papin-like cysteine proteinases
-
 ?
3.4.22.34 precursor of basic vacuolar chitinase + H2O Arabidopsis thaliana involved in the senescing of tissues and cell death active basic vacuolar chitinase
-
 ?
3.4.22.34 protein + H2O Ricinus communis
-
 peptides
-
 ?
3.4.22.34 protein + H2O Canavalia ensiformis
-
 peptides
-
 ?
3.4.22.34 protein + H2O Nicotiana tabacum
-
 peptides
-
 ?
3.4.22.34 protein + H2O Vicia sativa enzyme is involved mainly in storage protein breakdown peptides
-
 ?
3.4.22.34 protein + H2O Arabidopsis thaliana involved in mobilization of storage proteins and stress response processes peptides
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.34 Arabidopsis thaliana
-
 4 genes, 3 of them encoded in a cluster, 2 isoforms of vegetative vacuolar processing enzymes alpha-VPE and beta-VPE
-
3.4.22.34 Canavalia ensiformis
-
 Jack bean
-
3.4.22.34 Nicotiana tabacum Q9XG75
-
-
3.4.22.34 Ricinus communis
-
-
-
3.4.22.34 Vicia sativa
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.4.22.34 proteolytic modification autocatalytic processing of inactive proenzyme to the active mature enzyme by removal of C- and N-terminally propeptides, activation takes place in the vacuole or cell wall Nicotiana tabacum
3.4.22.34 proteolytic modification autocatalytic processing of inactive proenzyme to the active mature enzyme by removal of C- and N-terminally propeptides, activation takes place in the vacuole or cell wall after fusion with the ER bodies Vicia sativa
3.4.22.34 proteolytic modification autocatalytic processing of inactive proenzyme to the active mature enzyme by removal of C- and N-terminally propeptides, activation takes place in the vacuole or cell wall after fusion with the ER bodies Arabidopsis thaliana
3.4.22.34 proteolytic modification autocatalytic processing of inactive proenzyme to the active mature enzyme by removal of C- and N-terminally propeptides, activation takes place in the vacuole or cell wall, precursor is cleaved at sites containing Asn residues at the P1 position Ricinus communis

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.34 from cotyledon Vicia sativa

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.34 cotyledon
-
 Vicia sativa
-
3.4.22.34 embryo
-
 Nicotiana tabacum
-
3.4.22.34 epidermal cell attached to storage-protein substrates in ER bodies Arabidopsis thaliana
-
3.4.22.34 leaf wounded or senescing, alpha-VPE and beta-VPE Arabidopsis thaliana
-
3.4.22.34 additional information in all vegetative organs, the precursor enzyme is synthesized at membrane-bound polysomes in the cytoplasm Nicotiana tabacum
-
3.4.22.34 additional information the precursor enzyme is synthesized at membrane-bound polysomes in the cytoplasm Vicia sativa
-
3.4.22.34 additional information the precursor enzyme is synthesized at membrane-bound polysomes in the cytoplasm Ricinus communis
-
3.4.22.34 additional information VPE isoforms are also found during stress response of plant organ, e.g. wounded leaves, the precursor enzyme is synthesized at membrane-bound polysomes in the cytoplasm Arabidopsis thaliana
-
3.4.22.34 root undergoing controlled cell death, alpha-VPE Arabidopsis thaliana
-
3.4.22.34 seed
-
 Vicia sativa
-
3.4.22.34 seed
-
 Arabidopsis thaliana
-
3.4.22.34 seed
-
 Ricinus communis
-
3.4.22.34 seed
-
 Nicotiana tabacum
-
3.4.22.34 seed maturing Canavalia ensiformis
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.34 11S proglobulin + H2O degradation of unassembled proteins or misfolded precursors Vicia sativa ?
-
 ?
3.4.22.34 11S proglobulin + H2O degradation of unassembled proteins or misfolded precursors Arabidopsis thaliana ?
-
 ?
3.4.22.34 11S proglobulin + H2O degradation of unassembled proteins or misfolded precursors Ricinus communis ?
-
 ?
3.4.22.34 11S proglobulin + H2O degradation of unassembled proteins or misfolded precursors Canavalia ensiformis ?
-
 ?
3.4.22.34 11S proglobulin + H2O degradation of unassembled proteins or misfolded precursors Nicotiana tabacum ?
-
 ?
3.4.22.34 11S proglobulin + H2O processing to the active trimer Vicia sativa ?
-
 ?
3.4.22.34 11S proglobulin + H2O processing to the active trimer Arabidopsis thaliana ?
-
 ?
3.4.22.34 11S proglobulin + H2O processing to the active trimer Ricinus communis ?
-
 ?
3.4.22.34 11S proglobulin + H2O processing to the active trimer Canavalia ensiformis ?
-
 ?
3.4.22.34 11S proglobulin + H2O processing to the active trimer Nicotiana tabacum ?
-
 ?
3.4.22.34 concanavalin A precursor + H2O internal excision of the propeptide and transpeptidation that leads to the inverted fusion of the 2 fragments of the precursor Canavalia ensiformis activated concanavalin A
-
 ?
3.4.22.34 additional information during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview Vicia sativa ?
-
 ?
3.4.22.34 additional information during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview Arabidopsis thaliana ?
-
 ?
3.4.22.34 additional information during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview Ricinus communis ?
-
 ?
3.4.22.34 additional information during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview Canavalia ensiformis ?
-
 ?
3.4.22.34 additional information during germination and seedling growth legumains might also act as processing enzymes, protein processing and degradation by legumains, overview Nicotiana tabacum ?
-
 ?
3.4.22.34 octapeptides basing on the processing sites of 11S proglobulin + H2O
-
 Vicia sativa ?
-
 ?
3.4.22.34 papain-like cysteine proteinase precursors + H2O cleavage of C-terminal propeptide Arabidopsis thaliana activated papin-like cysteine proteinases
-
 ?
3.4.22.34 papain-like cysteine proteinase precursors + H2O involved in the senescing of tissues and cell death Arabidopsis thaliana activated papin-like cysteine proteinases
-
 ?
3.4.22.34 precursor of basic vacuolar chitinase + H2O cleavage of C-terminal propeptide Arabidopsis thaliana active basic vacuolar chitinase
-
 ?
3.4.22.34 precursor of basic vacuolar chitinase + H2O involved in the senescing of tissues and cell death Arabidopsis thaliana active basic vacuolar chitinase
-
 ?
3.4.22.34 protein + H2O
-
 Ricinus communis peptides
-
 ?
3.4.22.34 protein + H2O
-
 Canavalia ensiformis peptides
-
 ?
3.4.22.34 protein + H2O
-
 Nicotiana tabacum peptides
-
 ?
3.4.22.34 protein + H2O enzyme is involved mainly in storage protein breakdown Vicia sativa peptides
-
 ?
3.4.22.34 protein + H2O involved in mobilization of storage proteins and stress response processes Arabidopsis thaliana peptides
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.4.22.34 As-specific vacuolar cysteine proteinase
-
 Vicia sativa
3.4.22.34 Asn-specific vacuolar cysteine proteinase
-
 Arabidopsis thaliana
3.4.22.34 Asn-specific vacuolar cysteine proteinase
-
 Ricinus communis
3.4.22.34 Asn-specific vacuolar cysteine proteinase
-
 Canavalia ensiformis
3.4.22.34 Asn-specific vacuolar cysteine proteinase
-
 Nicotiana tabacum