|  | Class c: Alpha and beta proteins (a/b) [51349] (147 folds) | 
|  | Fold c.59: MurD-like peptide ligases, peptide-binding domain [53243] (1 superfamily) 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 126345; strand 1 is antiparallel to the rest | 
|  | Superfamily c.59.1: MurD-like peptide ligases, peptide-binding domain [53244] (2 families)  | 
|  | Family c.59.1.1: MurCDEF C-terminal domain [53245] (4 proteins) | 
|  | Protein UDP-murNac-tripeptide D-alanyl-D-alanine-adding enzyme MurF [53248] (1 species) | 
|  | Species Escherichia coli [TaxId:562] [53249] (1 PDB entry) | 
|  | Domain d1gg4a1: 1gg4 A:313-447 [33957] Other proteins in same PDB: d1gg4a3, d1gg4a4, d1gg4b3, d1gg4b4 | 
|  | Domain d1gg4b1: 1gg4 B:813-947 [33958] Other proteins in same PDB: d1gg4a3, d1gg4a4, d1gg4b3, d1gg4b4 | 
Timeline for Species Escherichia coli [TaxId:562] from c.59.1.1 UDP-murNac-tripeptide D-alanyl-D-alanine-adding enzyme MurF: