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. 2001 Apr;10(4):836–844. doi: 10.1110/ps.39101

Fig. 3.

Fig. 3.

Structural comparison, shown in stereo, of Enterococcus faecium and Escherichia coli D-Ala:D-Ala ligases complexed with ADP and the phosphinophosphate inhibitor. Top: 3-D model of the E. faecium D-Ala:D-Ala ligase computed with the Modeller software (Sali and Blundell 1993) from the alignment in Figure 2 ▶. Bottom: Backbone representation of the X-ray structure of E. coli D-Ala:D-Ala ligase determined at 2.3-Å resolution. Each structure houses ADP and the inhibitor, depicted as orange thick sticks, and two Mg2+ ions, shown as spherical balls. Backbones of amino acids are drawn in dark blue.