2026-08-01_00000217|ligand|35WF

Crystal structure of CHK1 in complex with prexasertib; X-ray diffraction 1.68Å
Protein #1 280 residues (99% resolved)

MAVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDRWYNKPLKKGAKENLYFQ

MAVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDRWYNKPLKKGAKENLYFQ
Non polymer #2 A1DNH

InChI=1S/C18H19N7O2/c1-26-14-4-2-5-15(27-7-3-6-19)18(14)13-8-16(25-24-13)23-17-11-21-12(9-20)10-22-17/h2,4-5,8,10-11H,3,6-7,19H2,1H3,(H2,22,23,24,25)

COc1cccc(c1c2cc(n[nH]2)Nc3cnc(cn3)C#N)OCCCN
Non polymer #3 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

C(CO)O
Non polymer #4 EOH

InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3

CCO
Non polymer #5 PEG

InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

C(COCCO)O
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Reference