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Structure paper

TitleHigh-resolution cryo-EM of the human CDK-activating kinase for structure-based drug design.
Journal, issue, pagesNat Commun, Vol. 15, Issue 1, Page 2265, Year 2024
Publish dateMar 13, 2024
AuthorsVictoria I Cushing / Adrian F Koh / Junjie Feng / Kaste Jurgaityte / Alexander Bondke / Sebastian H B Kroll / Marion Barbazanges / Bodo Scheiper / Ash K Bahl / Anthony G M Barrett / Simak Ali / Abhay Kotecha / Basil J Greber /
PubMed AbstractRational design of next-generation therapeutics can be facilitated by high-resolution structures of drug targets bound to small-molecule inhibitors. However, application of structure-based methods to ...Rational design of next-generation therapeutics can be facilitated by high-resolution structures of drug targets bound to small-molecule inhibitors. However, application of structure-based methods to macromolecules refractory to crystallization has been hampered by the often-limiting resolution and throughput of cryogenic electron microscopy (cryo-EM). Here, we use high-resolution cryo-EM to determine structures of the CDK-activating kinase, a master regulator of cell growth and division, in its free and nucleotide-bound states and in complex with 15 inhibitors at up to 1.8 Å resolution. Our structures provide detailed insight into inhibitor interactions and networks of water molecules in the active site of cyclin-dependent kinase 7 and provide insights into the mechanisms contributing to inhibitor selectivity, thereby providing the basis for rational design of next-generation therapeutics. These results establish a methodological framework for the use of high-resolution cryo-EM in structure-based drug design.
External linksNat Commun / PubMed:38480681 / PubMed Central
MethodsEM (single particle)
Resolution1.7 - 4.9 Å
Structure data

EMDB-17129, PDB-8orm:
Cryo-EM structure of CAK-THZ1
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17470: Rapid screening cryo-EM map of CAK bound to ICEC0943 (grid VC1-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.4 Å

EMDB-17471: Rapid screening cryo-EM map of CAK bound to ICEC0943 (grid VC1-2, 1hr collection)
Method: EM (single particle) / Resolution: 3.5 Å

EMDB-17472: Rapid screening cryo-EM map of CAK bound to ICEC0768 (grid VC2-1, 1hr collection)
Method: EM (single particle) / Resolution: 4.3 Å

EMDB-17473: Rapid screening cryo-EM map of CAK bound to ICEC0768 (grid VC2-2, 1hr collection)
Method: EM (single particle) / Resolution: 4.9 Å

EMDB-17474: Rapid screening cryo-EM map of CAK bound to ICEC0914 (grid VC3-1, 1hr collection)
Method: EM (single particle) / Resolution: 4.5 Å

EMDB-17475: Rapid screening cryo-EM map of CAK bound to ICEC0914 (grid VC3-2, 1hr collection)
Method: EM (single particle) / Resolution: 4.1 Å

EMDB-17476: Rapid screening cryo-EM map of CAK bound to dinaciclib (grid VC4-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.5 Å

EMDB-17477: Rapid screening cryo-EM map of CAK bound to dinaciclib (grid VC4-2, 1hr collection)
Method: EM (single particle) / Resolution: 4.0 Å

EMDB-17478: Rapid screening cryo-EM map of CAK bound to ICEC0510-R (grid VC6-3, 1hr collection)
Method: EM (single particle) / Resolution: 3.4 Å

EMDB-17479: Rapid screening cryo-EM map of CAK bound to ICEC0510-R (grid VC6-4, 1hr collection)
Method: EM (single particle) / Resolution: 3.6 Å

EMDB-17480: Rapid screening cryo-EM map of CAK bound to ICEC0510-S (grid VC7-3, 1hr collection)
Method: EM (single particle) / Resolution: 3.4 Å

EMDB-17481: Rapid screening cryo-EM map of CAK bound to ICEC0510-S (grid VC7-4, 1hr collection)
Method: EM (single particle) / Resolution: 3.4 Å

EMDB-17482: Rapid screening cryo-EM map of CAK bound to BS-181 (grid VC8-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.7 Å

EMDB-17483: Rapid screening cryo-EM map of CAK bound to BS-181 (grid VC8-2, 1hr collection)
Method: EM (single particle) / Resolution: 3.2 Å

EMDB-17484: Rapid screening cryo-EM map of CAK bound to BS-194 (grid VC9-3, 1hr collection)
Method: EM (single particle) / Resolution: 3.6 Å

EMDB-17485: Rapid screening cryo-EM map of CAK bound to BS-194 (grid VC9-4, 1hr collection)
Method: EM (single particle) / Resolution: 3.6 Å

EMDB-17486: Rapid screening cryo-EM map of CAK bound to ICEC0574 (grid VC11-3, 1hr collection)
Method: EM (single particle) / Resolution: 4.1 Å

EMDB-17487: Rapid screening cryo-EM map of CAK bound to ICEC0574 (grid VC11-4, 1hr collection)
Method: EM (single particle) / Resolution: 3.9 Å

EMDB-17488: Rapid screening cryo-EM map of CAK bound to ICEC0829 (grid VC12-3, 1hr collection)
Method: EM (single particle) / Resolution: 3.5 Å

EMDB-17489: Rapid screening cryo-EM map of CAK bound to ICEC0829 (grid VC12-4, 1hr collection)
Method: EM (single particle) / Resolution: 3.7 Å

EMDB-17490: Rapid screening cryo-EM map of CAK bound to ICEC0942 (grid VC13-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.6 Å

EMDB-17491: Rapid screening cryo-EM map of CAK bound to ICEC0942 (grid VC13-2, 1hr collection)
Method: EM (single particle) / Resolution: 4.1 Å

EMDB-17492: Rapid screening cryo-EM map of CAK bound to ICEC0942 (grid VC14-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.3 Å

EMDB-17493: Rapid screening cryo-EM map of CAK bound to ICEC0942 (grid VC14-2, 1hr collection)
Method: EM (single particle) / Resolution: 3.5 Å

EMDB-17494: Rapid screening cryo-EM map of CAK bound to ICEC0880 (grid VC5-1, 1hr collection)
Method: EM (single particle) / Resolution: 3.8 Å

EMDB-17495: Rapid screening cryo-EM map of CAK bound to ICEC0880 (grid VC5-2, 1hr collection)
Method: EM (single particle) / Resolution: 3.8 Å

EMDB-17496: Intermediate-resolution cryo-EM map of CAK bound to ICEC0943 (grid VC1-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.0 Å

EMDB-17497: Intermediate-resolution cryo-EM map of CAK bound to ICEC0768 (grid VC2-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.0 Å

EMDB-17498: Intermediate-resolution cryo-EM map of CAK bound to ICEC0914 (grid VC3-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.0 Å

EMDB-17499: Intermediate-resolution cryo-EM map of CAK bound to dinaciclib (grid VC4-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.1 Å

EMDB-17500: Intermediate-resolution cryo-EM map of CAK bound to ICEC0510-R (grid VC6-4, 4hr collection)
Method: EM (single particle) / Resolution: 3.1 Å

EMDB-17501: Intermediate-resolution cryo-EM map of CAK bound to ICEC0510-S (grid VC7-3, 4hr collection)
Method: EM (single particle) / Resolution: 2.9 Å

EMDB-17502: Intermediate-resolution cryo-EM map of CAK bound to BS-181 (grid VC8-2, 4hr collection)
Method: EM (single particle) / Resolution: 3.1 Å

EMDB-17503: Intermediate-resolution cryo-EM map of CAK bound to BS-194 (grid VC9-4, 4hr collection)
Method: EM (single particle) / Resolution: 3.2 Å

EMDB-17504: Intermediate-resolution cryo-EM map of CAK bound to ICEC0574 (grid VC11-4, 4hr collection)
Method: EM (single particle) / Resolution: 3.0 Å

EMDB-17505: Intermediate-resolution cryo-EM map of CAK bound to ICEC0829 (grid VC12-3, 4hr collection)
Method: EM (single particle) / Resolution: 3.0 Å

EMDB-17506: Intermediate-resolution cryo-EM map of CAK bound to ICEC0942 (grid VC13-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.2 Å

EMDB-17507: Intermediate-resolution cryo-EM map of CAK bound to ICEC0942 (grid VC14-1, 4hr collection)
Method: EM (single particle) / Resolution: 3.2 Å

EMDB-17508, PDB-8p6v:
Cryo-EM structure of CAK in complex with inhibitor ICEC0942
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17509, PDB-8p6w:
Cryo-EM structure of CAK in complex with inhibitor BS-181
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17510, PDB-8p6x:
Cryo-EM structure of CAK in complex with inhibitor BS-194
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17511, PDB-8p6y:
Cryo-EM structure of CAK in complex with nucleotide analogue ATPgS
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17512, PDB-8p6z:
Cryo-EM structure of CAK in complex with inhibitor ICEC0510-R
Method: EM (single particle) / Resolution: 2.1 Å

EMDB-17513, PDB-8p70:
Cryo-EM structure of CAK in complex with inhibitor ICEC0510-S
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17514, PDB-8p71:
Cryo-EM structure of CAK in complex with inhibitor ICEC0574
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17515, PDB-8p72:
Cryo-EM structure of CAK in complex with inhibitor ICEC0768
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17516, PDB-8p73:
Cryo-EM structure of CAK in complex with inhibitor ICEC0829
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17517, PDB-8p74:
Cryo-EM structure of CAK in complex with inhibitor ICEC0880 (ring-up conformation)
Method: EM (single particle) / Resolution: 2.2 Å

EMDB-17518, PDB-8p75:
Cryo-EM structure of CAK in complex with inhibitor ICEC0880 (ring-down conformation)
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17519, PDB-8p76:
Cryo-EM structure of CAK in complex with inhibitor ICEC0914
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17520, PDB-8p77:
Cryo-EM structure of CAK in complex with inhibitor ICEC0943
Method: EM (single particle) / Resolution: 1.8 Å

EMDB-17521, PDB-8p78:
Cryo-EM structure of CAK in complex with inhibitor dinaciclib
Method: EM (single particle) / Resolution: 1.9 Å

EMDB-17522, PDB-8p79:
Cryo-EM structure of CAK with averaged inhibitor density
Method: EM (single particle) / Resolution: 1.7 Å

EMDB-17523: Cryo-EM structure of apo CAK
Method: EM (single particle) / Resolution: 2.3 Å

EMDB-17524: Cryo-EM map of inhibitor-bound CAK (Krios G4 performance comparison dataset)
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17525: Cryo-EM map of inhibitor-bound CAK (Glacios G2 performance comparison dataset)
Method: EM (single particle) / Resolution: 2.3 Å

EMDB-17526: Cryo-EM map of inhibitor-bound CAK (+EF performance comparison dataset)
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-17527: Cryo-EM map of inhibitor-bound CAK (-EF performance comparison dataset)
Method: EM (single particle) / Resolution: 2.4 Å

EMDB-17536, PDB-8p7l:
Cryo-EM structure of CDK7 subunit of CAK in complex with inhibitor LDC4297
Method: EM (single particle) / Resolution: 2.1 Å

EMDB-17754, PDB-8plz:
Cryo-EM structure of CAK in complex with inhibitor CT7030
Method: EM (single particle) / Resolution: 1.9 Å

Chemicals

ChemComp-V0G:
N-(3-{[5-chloro-4-(1H-indol-3-yl)pyrimidin-2-yl]amino}phenyl)-4-{[4-(dimethylamino)butanoyl]amino}benzamide

ChemComp-HOH:
WATER

ChemComp-I74:
(3R,4R)-4-[[[7-[(phenylmethyl)amino]-3-propan-2-yl-pyrazolo[1,5-a]pyrimidin-5-yl]amino]methyl]piperidin-3-ol


ChemComp, No image

ChemComp-X2H:
Unknown entry

ChemComp-NS9:
(2S,3S)-3-{[7-(benzylamino)-3-(1-methylethyl)pyrazolo[1,5-a]pyrimidin-5-yl]amino}butane-1,2,4-triol

ChemComp-AGS:
PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / ATP-gamma-S, energy-carrying molecule analogue*YM

ChemComp-MG:
Unknown entry


ChemComp, No image

ChemComp-X4L:
Unknown entry


ChemComp, No image

ChemComp-X4Q:
Unknown entry


ChemComp, No image

ChemComp-X4F:
Unknown entry


ChemComp, No image

ChemComp-X2Z:
Unknown entry


ChemComp, No image

ChemComp-X50:
Unknown entry


ChemComp, No image

ChemComp-X58:
Unknown entry


ChemComp, No image

ChemComp-X3Z:
Unknown entry


ChemComp, No image

ChemComp-X1W:
Unknown entry

ChemComp-I73:
(3S,4S)-4-[[[7-[(phenylmethyl)amino]-3-propan-2-yl-pyrazolo[1,5-a]pyrimidin-5-yl]amino]methyl]piperidin-3-ol

ChemComp-1QK:
3-[({3-ethyl-5-[(2S)-2-(2-hydroxyethyl)piperidin-1-yl]pyrazolo[1,5-a]pyrimidin-7-yl}amino)methyl]-1-hydroxypyridinium


ChemComp, No image

ChemComp-WD9:
Unknown entry


ChemComp, No image

ChemComp-ZQ6:
Unknown entry

Source
  • homo sapiens (human)
KeywordsTRANSFERASE / Kinase / Inhibitor / Transcription / Cell Cycle

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