Cloned (Comment) | Organism |
---|---|
nylB24 gene, expression of the His-tagged EII-EII'-hybrid Hyb24 in Escherichia coli strain KP3998 | Arthrobacter sp. |
Protein Variants | Comment | Organism |
---|---|---|
A61V/A253T/F264C/D370Y | site-directed mutagenesis, 10fold increased activity with N-(6-aminohexanoyl)-6-aminohexanoate | Arthrobacter sp. |
T3A/P4R/T5S/S8Q/D15G | site-directed mutagenesis, construction of a hybrid of isozymes EII and EII', termed Hyb24, by five amino acid replacement in EII', the mutant shows the same activity as EII' | Arthrobacter sp. |
T3A/P4R/T5S/S8Q/D15G/D370Y | site-directed mutagenesis, mutant Hyb24, by five amino acid replacement in EII' for residues of EII, plus 2 additional exchanges for EII residues leading to a 10fold increased activity with N-(6-aminohexanoyl)-6-aminohexanoate | Arthrobacter sp. |
T3A/P4R/T5S/S8Q/D15G/G181D | site-directed mutagenesis, mutant Hyb24, by five amino acid replacement in EII' for residues of EII, plus 2 additional exchanges for EII residues leading to a 10fold increased activity with N-(6-aminohexanoyl)-6-aminohexanoate | Arthrobacter sp. |
T3A/P4R/T5S/S8Q/D15G/G181D/D370Y | site-directed mutagenesis, mutant Hyb24, by five amino acid replacement in EII' for residues of EII, plus 2 additional exchanges for EII residues leading to a 100fold increased activity with N-(6-aminohexanoyl)-6-aminohexanoate | Arthrobacter sp. |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
N-(6-aminohexanoyl)-6-aminohexanoate + H2O | Arthrobacter sp. | the enzyme is responsible for the degradation of nylon-6 industrial production by-products | 6-aminohexanoate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arthrobacter sp. | - |
formerly Flavobacterium sp., strain K172, enzyme form EII and cryptic enzyme form EII' | - |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
N-(6-aminohexanoyl)-6-aminohexanoate + H2O = 2 6-aminohexanoate | structure-function relationship, residues 370 and 181 are imporatant for enzyme activity | Arthrobacter sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
N-(6-aminohexanoyl)-6-aminohexanoate + H2O | the enzyme is responsible for the degradation of nylon-6 industrial production by-products | Arthrobacter sp. | 6-aminohexanoate | - |
? | |
N-(6-aminohexanoyl)-6-aminohexanoate + H2O | the enzyme hydrolyzes the linear dimer substrate | Arthrobacter sp. | 6-aminohexanoate | - |
? |