Crystal structure of an activated (Thr->Asp) Polo-like kinase 1 (Plk1) catalytic domain in complex with Compound 557

3'-Chloro-5'-{6-[2-methoxy-4-(1-methyl-piperidin-4-ylcarbamoyl)-phenylamino]-3-methyl-pyrazolo[4,3-c]pyridin-1-yl}-biphenyl-2-carboxylic acid amide

Design and synthesis of 2-amino-pyrazolopyridines as Polo-like kinase 1 inhibitors.

Side-scattering cube root I-beam bent single crystal; asymmetric cut 12.2 degs. Crystal type: Si(311)

GPLGSDPKSAPLKEIPDVLVDPRTMKRYMRGRFLGKGGFAKCYEITDMDTKEVFAGKVVPKSMLLKPHQKEKMSTEIAIH
KSLDNPHVVGFHGFFEDDDFVYVVLEICRRRSLLELHKRRKAVTEPEARYFMRQTIQGVQYLHNNRVIHRDLKLGNLFLN
DDMDVKIGDFGLATKIEFDGERKKDLCGTPNYIAPEVLCKKGHSFEVDIWSLGCILYTLLVGKPPFETSCLKETYIRIKK
NEYSVPRHINPVASALIRRMLHADPTLRPSVAELLTDEFFTSGYAPMRLPTSCLTVPPRFS

hanging-drop vapor diffusion at 4 C (277K); protein at 7 mg/ml in 50 mM Tris-HCl pH 7.5, 200 mM NaCl and 3 mM DTT; crystallization condition: 0.1 M HEPES pH 7.5, 0.2 M (NH4)2SO4, 22.5% PEG 3350, and 15% glycerol; cryoprotectant: 15% ethylene glycol., VAPOR DIFFUSION, HANGING DROP

Polo-like kinase 1, Plk1, catalytic domain, small-molecule inhibitor, Kinase, TRANSFERASE

DPKSAPLKEIPDVLVDPRTMKRYMRGRFLGKGGFAKCYEITDMDTKEVFAGKVVPKSMLLKPHQKEKMSTEIAIHKSLDN
PHVVGFHGFFEDDDFVYVVLEICRRRSLLELHKRRKAVTEPEARYFMRQTIQGVQYLHNNRVIHRDLKLGNLFLNDDMDV
KIGDFGLATKIEFDGERKKTLCGTPNYIAPEVLCKKGHSFEVDIWSLGCILYTLLVGKPPFETSCLKETYIRIKKNEYSV
PRHINPVASALIRRMLHADPTLRPSVAELLTDEFFTSGYAPMRLPTSCLTVPPRFS