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Figure 4
A stereo representation of the active sites of the holoenzyme structures of C. violaceum Am:PyAT (green) and P. aeruginosa β-A:PyAT (grey) shown superimposed. The cofactor molecules and side chains of the residues within 4.5 Å of the cofactor are shown as stick models. The active-site Lys288 forms a Schiff base with the cofactor PLP in C. violaceum Am:PyAT. In P. aeruginosa β-A:PyAT the cofactor is modelled as free PLP. Cofactor molecules and neighbouring residues are shown as stick models.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 69| Part 4| March 2013| Pages 564-576
doi:10.1107/S0907444912051670
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