Crystal structure of trans-o-hydroxybenzylidenepyruvate hydratase-aldolase from Pseudomonas fluorescens N3 bound to pyruvate

(2S)-2-amino-6-[(1-hydroxy-1-oxo-propan-2-ylidene)amino]hexanoic acid

Structural snapshots of the aldol condensation reaction of the enzyme trans-o-hydroxybenzylidenepyruvate hydratase-aldolase from Pseudomonas fluorescens N3.

Trans-O-hydroxybenzylidenepyruvate hydratase-aldolase

MRGSHHHHHHGSMSNKIMKTSRLTAEDINGAWTIMPTPSTPDASDWRSTATVDLEETARIVEELIAAGVNGILSMGTFGE
CATLTWDEKRDYVSTIVETIRGRVPYFCGTTALNTREVIRQTRELIDIGANGTMLGVPMWVKMDLPTAVQFYRDVADAVP
EAAIAIYANPEAFKFDFPRPFWAEMSKIPQVVTA(KPI)YLGIGMLDLDLRLAPNIRFLPHEDDYYAAARINPERITAFW
SSGAMCGPATAIMLRDEVVRAKSTGDWAKAKAISDDMRAADSTLFPRGDFSEFSKYNIGLEKARMDAAGWLKAGPCRPPY
NLVPEDYLAGAQKSGKAWAALHAKYSNELK

MRGSHHHHHHGSMSNKIMKTSRLTAEDINGAWTIMPTPSTPDASDWRSTATVDLEETARIVEELIAAGVNGILSMGTFGE
CATLTWDEKRDYVSTIVETIRGRVPYFCGTTALNTREVIRQTRELIDIGANGTMLGVPMWVKMDLPTAVQFYRDVADAVP
EAAIAIYANPEAFKFDFPRPFWAEMSKIPQVVTAKYLGIGMLDLDLRLAPNIRFLPHEDDYYAAARINPERITAFWSSGA
MCGPATAIMLRDEVVRAKSTGDWAKAKAISDDMRAADSTLFPRGDFSEFSKYNIGLEKARMDAAGWLKAGPCRPPYNLVP
EDYLAGAQKSGKAWAALHAKYSNELK

0.8 M Sodium phosphate monobasic monohydrate, 0.8 M Potassium phosphate monobasic, 0.1 M HEPES sodium pH 7.5

Hydrogens have been added in their riding positions
Local NCS retraints between domains: 1 2
Local NCS retraints between domains: 3 4
Local NCS retraints between domains: 5 6
Local NCS retraints between domains: 7 8
Local NCS retraints between domains: 9 10
Local NCS retraints between domains: 11 12
Local NCS retraints between domains: 13 14
Local NCS retraints between domains: 15 16
Local NCS retraints between domains: 17 18
Local NCS retraints between domains: 19 20
Local NCS retraints between domains: 21 22
Local NCS retraints between domains: 23 24
Local NCS retraints between domains: 25 26
Local NCS retraints between domains: 27 28
Local NCS retraints between domains: 29 30
Local NCS retraints between domains: 31 32
Local NCS retraints between domains: 33 34
Local NCS retraints between domains: 35 36
Local NCS retraints between domains: 37 38
Local NCS retraints between domains: 39 40
Local NCS retraints between domains: 41 42
Local NCS retraints between domains: 43 44
Local NCS retraints between domains: 45 46
Local NCS retraints between domains: 47 48
Local NCS retraints between domains: 49 50
Local NCS retraints between domains: 51 52
Local NCS retraints between domains: 53 54
Local NCS retraints between domains: 55 56

MSNKIMKTSRLTAEDINGAWTIMPTPSTPDASDWRSTATVDLEETARIVEELIAAGVNGILSMGTFGECATLTWDEKRDY
VSTIVETIRGRVPYFCGTTALNTREVIRQTRELIDIGANGTMLGVPMWVKMDLPTAVQFYRDVADAVPEAAIAIYANPEA
FKFDFPRPFWAEMSKIPQVVTAKYLGIGMLDLDLRLAPNIRFLPHEDDYYAAARINPERITAFWSSGAMCGPATAIMLRD
EVVRAKSTGDWAKAKAISDDMRAADSTLFPRGDFSEFSKYNIGLEKARMDAAGWLKAGPCRPPYNLVPEDYLAGAQKSGK
AWAALHAKYSNELK