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2YM4

Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
SERINE/THREONINE-PROTEIN KINASE CHK1polymer28933043.01UniProt (O14757)
Pfam (PF00069)
HOMO SAPIENS (HUMAN)CHECKPOINT KINASE 1
2B
(A)
ethyl 4-[(2R)-2-(aminomethyl)morpholin-4-yl]-3-(3-cyanophenyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylatenon-polymer406.41Chemie (4YM)
3C, D, E
(A)
1,2-ETHANEDIOLnon-polymer62.13Chemie (EDO)
4F
(A)
waterwater18.083Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight33043.0
Non-Polymers*Number of molecules4
Total formula weight592.6
All*Total formula weight33635.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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