This superfamily represents a structural domain found in ArgJ, a bifunctional protein that catalyses the first (EC:188.8.131.52) and fifth (EC:184.108.40.206) steps in arginine biosynthesis [PMID: 8473852]. The domain also occurs in a number of proteins annotated as DmpA serine peptidases.
Sakanyan V, Charlier D, Legrain C, Kochikyan A, Mett I, Pierard A, Glansdorff N.
Primary structure, partial purification and regulation of key enzymes of the acetyl cycle of arginine biosynthesis in Bacillus stearothermophilus: dual function of ornithine acetyltransferase. J. Gen. Microbiol. 139 393-402 1993
Signatures from InterPro member databases are used to construct an entry.