Cloned (Comment) | Organism |
---|---|
gene STM2358, DNA and amino acid sequence determination and analysis, sequence comparisons, recombinant expression of His-tagged enzyme in Escherichia coli strain BL21(DE3) | Salmonella enterica subsp. enterica serovar Typhimurium |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-Ornithine | Salmonella enterica subsp. enterica serovar Typhimurium | preferred substrate | D-Ornithine | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Salmonella enterica subsp. enterica serovar Typhimurium | Q8ZNC6 | - |
- |
Purification (Comment) | Organism |
---|---|
recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography | Salmonella enterica subsp. enterica serovar Typhimurium |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-arginine | - |
Salmonella enterica subsp. enterica serovar Typhimurium | D-arginine | - |
r | |
L-lysine | very low activity | Salmonella enterica subsp. enterica serovar Typhimurium | D-lysine | - |
r | |
L-Ornithine | preferred substrate | Salmonella enterica subsp. enterica serovar Typhimurium | D-Ornithine | - |
r | |
additional information | the recombinant gene STM2358 product has ornithine racemase activity, no measureable alanine racemase activity of the enzyme | Salmonella enterica subsp. enterica serovar Typhimurium | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
STM2358 | - |
Salmonella enterica subsp. enterica serovar Typhimurium |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | dependent on | Salmonella enterica subsp. enterica serovar Typhimurium |
General Information | Comment | Organism |
---|---|---|
evolution | a BLAST search using the translated amino acid sequence of STM2358 results in significant higher similarity (37% identity) with sequences of ornithine racemase than with alanine racemase (27% identity), suggesting that it may be an ornithine racemase | Salmonella enterica subsp. enterica serovar Typhimurium |