The enzyme, characterized from the bacterium Bacillus subtilis, requires Mn2+ for activity. It shows strict substrate specificity toward L-arginine as the first (N-terminal) amino acid of the product. The second amino acid could be any standard protein-building amino acid except for L-proline.
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The expected taxonomic range for this enzyme is: Bacillus subtilis
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SYSTEMATIC NAME
IUBMB Comments
L-arginine:L-amino acid ligase (ADP-forming)
The enzyme, characterized from the bacterium Bacillus subtilis, requires Mn2+ for activity. It shows strict substrate specificity toward L-arginine as the first (N-terminal) amino acid of the product. The second amino acid could be any standard protein-building amino acid except for L-proline.
the enzyme synthesizes hetero-dipeptides. Arg is present at the N-terminus. The enzyme synthesizes Arg-Arg, when only Arg is used as substrate, but preferentially synthesizes Arg-Xaa when Arg and other amino acids are used as substrates. RizA has strict substrate specificity toward L-arginine as the N-terminal substrate. Hetero-dipeptide consisting of Arg and Pro is not detected. The enzyme does not use D-form amino acids as substrates. No tripeptides and no longer peptides are detected. The substrate specificity at the C-terminus is relaxed
the enzyme synthesizes hetero-dipeptides. Arg is present at the N-terminus. The enzyme synthesizes Arg-Arg, when only Arg is used as substrate, but preferentially synthesizes Arg-Xaa when Arg and other amino acids are used as substrates. RizA has strict substrate specificity toward L-arginine as the N-terminal substrate. The substrate specifity at the C-terminus is very relaxed. Hetero-dipeptide consisting of Arg and Pro is not detected. The enzyme does not use D-form amino acids as substrates. No tripeptides and no longer peptides are detected. The substrate specificity at the C-terminus is relaxed
the enzyme synthesizes hetero-dipeptides. Arg is present at the N-terminus. The enzyme synthesizes Arg-Arg, when only Arg is used as substrate, but preferentially synthesizes Arg-Xaa when Arg and other amino acids are used as substrates. RizA has strict substrate specificity toward L-arginine as the N-terminal substrate. The substrate specifity at the C-terminus is very relaxed. Hetero-dipeptide consisting of Arg and Pro is not detected. The enzyme does not use D-form amino acids as substrates. No tripeptides and no longer peptides are detected. The substrate specificity at the C-terminus is relaxed
RizA exhibits strict substrate specificity for arginine as the N-terminal amino acid of the synthesized dipeptide, substrate binding site structure analysis, overview
RizA exhibits strict substrate specificity for arginine as the N-terminal amino acid of the synthesized dipeptide, substrate binding site structure analysis, overview
the enzyme is expected to be involved in the biosynthesis of rhizocticin (dipeptide or tripeptide antibiotics that commonly possess L-arginyl-L-2-amino-5-phosphono-3-cis-pentenoic acid)
the enzyme is expected to be involved in the biosynthesis of rhizocticin (dipeptide or tripeptide antibiotics that commonly possess L-arginyl-L-2-amino-5-phosphono-3-cis-pentenoic acid)
the enzyme is expected to be involved in the biosynthesis of rhizocticin (dipeptide or tripeptide antibiotics that commonly possess L-arginyl-L-2-amino-5-phosphono-3-cis-pentenoic acid)
the enzyme is expected to be involved in the biosynthesis of rhizocticin (dipeptide or tripeptide antibiotics that commonly possess L-arginyl-L-2-amino-5-phosphono-3-cis-pentenoic acid)
L-amino acid ligases contain the ATP-grasp fold, which is composed of three conserved domains referred to as the A-domain (N-terminal domain), the B-domain (central domain) and the C-domain (C-terminal domain). These three domains commonly grasp the ATP molecule, and also provide binding sites for the Mg2+ ion and the amino-acid substrate
L-amino acid ligases contain the ATP-grasp fold, which is composed of three conserved domains referred to as the A-domain (N-terminal domain), the B-domain (central domain) and the C-domain (C-terminal domain). These three domains commonly grasp the ATP molecule, and also provide binding sites for the Mg2+ ion and the amino-acid substrate
recombinant selenomethionine-substituted enzyme from Escherichia coli strain B834(DE3) by anion exchange and hydrophobic interaction chromatography, ultrafiltration, gel filtration, another different step of anion exchange chromatography, and ultrafiltration
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6.3.2.48 L-arginine-specific L-amino acid ligase
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