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Literature summary extracted from

  • Kaji, A.; Shimokawa, K.
    New exo-type arabinase from Erwinia carotovora IAM 1024 (1984), Agric. Biol. Chem., 48, 67-72.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.55 Hg2+
-
 Pectobacterium carotovorum
3.2.1.55 Hg2+
-
 Streptomyces purpurascens

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.55 K+ 2 mM KCl, relative activity 102% Pectobacterium carotovorum
3.2.1.55 Mg2+ MgSO4 2 mM, relative activity 102% Pectobacterium carotovorum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.55 beet arabinan + H2O Aspergillus niger
-
 L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O Pectobacterium carotovorum
-
 L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O Athelia rolfsii
-
 L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O Streptomyces purpurascens
-
 L-arabinose + ?
-
 ?
3.2.1.55 beet arabinan + H2O Pectobacterium carotovorum
-
 arabinotriose + ?
-
 ?
3.2.1.55 beet arabinan + H2O Pectobacterium carotovorum IAM 1024
-
 L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O Pectobacterium carotovorum IAM 1024
-
 arabinotriose + ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.55 Aspergillus niger
-
-
-
3.2.1.55 Athelia rolfsii
-
-
-
3.2.1.55 Clostridium felsineum
-
 var.sikokianum
-
3.2.1.55 Pectobacterium carotovorum
-
 IAM 1024
-
3.2.1.55 Pectobacterium carotovorum IAM 1024
-
 IAM 1024
-
3.2.1.55 Streptomyces purpurascens
-
 IFO 3389
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.55
-
 Pectobacterium carotovorum

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.55 40
-
-
 Pectobacterium carotovorum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.55 beet arabinan + H2O
-
 Aspergillus niger L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O
-
 Pectobacterium carotovorum L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O
-
 Athelia rolfsii L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O
-
 Streptomyces purpurascens L-arabinose + ?
-
 ?
3.2.1.55 beet arabinan + H2O
-
 Pectobacterium carotovorum IAM 1024 L-arabinose + ?
-
 ir
3.2.1.55 beet arabinan + H2O
-
 Pectobacterium carotovorum arabinotriose + ?
-
 ?
3.2.1.55 beet arabinan + H2O
-
 Pectobacterium carotovorum IAM 1024 arabinotriose + ?
-
 ?
3.2.1.55 additional information
-
 Aspergillus niger ?
-
 ?
3.2.1.55 additional information
-
 Streptomyces purpurascens ?
-
 ?
3.2.1.55 additional information inactive on 1,5-arabinan, arabinoxylan, arabinogalactan and p-nitrophenyl alpha-L-arabinofuranoside Pectobacterium carotovorum ?
-
 ?
3.2.1.55 additional information inactive on 1,5-arabinan, arabinoxylan, arabinogalactan and p-nitrophenyl alpha-L-arabinofuranoside Pectobacterium carotovorum IAM 1024 ?
-
 ?
3.2.1.55 phenyl-alpha-L-arabinofuranoside + H2O
-
 Aspergillus niger L-arabinose + phenol
-
 ?
3.2.1.55 phenyl-alpha-L-arabinofuranoside + H2O
-
 Pectobacterium carotovorum L-arabinose + phenol
-
 ?
3.2.1.55 phenyl-alpha-L-arabinofuranoside + H2O
-
 Pectobacterium carotovorum IAM 1024 L-arabinose + phenol
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.55 6
-
-
 Pectobacterium carotovorum

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.55 5 11
-
 Pectobacterium carotovorum