9jk1

Crystal structure of CDK12/Cyclin K in complex with covalent inhibitor YJZ5118

Method: X-RAY DIFFRACTION Dmax: 114.7 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Cyclin-dependent kinase 12

Homo sapiens

UniProt Q9NYV4

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 715–1052 Non-standard monomer:Yes (specific site not provided by mmCIF) Cyclin-K × 1 (O75909) EDO 1,2-ETHANEDIOL × 2 A1EB3 N-[5-[[4-[(5-cyanopyridin-2-yl)amino]cyclohexyl]-[(phenylmethyl)carbamoyl]amino]-2-[4-(dimethylamino)piperidin-1-yl]phenyl]propanamide × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.1 M Bis-Tris, pH 5.8, 21.5% PEG 3350, 0.4 M MgCl2 Resolution 2.72 Å R-free 0.267
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 715–1052 Non-standard monomer:Yes (specific site not provided by mmCIF) Cyclin-K × 1 (O75909) A1EB3 N-[5-[[4-[(5-cyanopyridin-2-yl)amino]cyclohexyl]-[(phenylmethyl)carbamoyl]amino]-2-[4-(dimethylamino)piperidin-1-yl]phenyl]propanamide × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.1 M Bis-Tris, pH 5.8, 21.5% PEG 3350, 0.4 M MgCl2 Resolution 2.72 Å R-free 0.267

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

38 other PDB entries and 103 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CDK12_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–340; UniProt 715–1052 Author chain B; PDBConstruct 3–340; UniProt 715–1052

Cyclin-K

Homo sapiens

UniProt O75909

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–267 Not recorded Cyclin-dependent kinase 12 × 1 (Q9NYV4) EDO 1,2-ETHANEDIOL × 2 A1EB3 N-[5-[[4-[(5-cyanopyridin-2-yl)amino]cyclohexyl]-[(phenylmethyl)carbamoyl]amino]-2-[4-(dimethylamino)piperidin-1-yl]phenyl]propanamide × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.1 M Bis-Tris, pH 5.8, 21.5% PEG 3350, 0.4 M MgCl2 Resolution 2.72 Å R-free 0.267
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–267 Not recorded Cyclin-dependent kinase 12 × 1 (Q9NYV4) A1EB3 N-[5-[[4-[(5-cyanopyridin-2-yl)amino]cyclohexyl]-[(phenylmethyl)carbamoyl]amino]-2-[4-(dimethylamino)piperidin-1-yl]phenyl]propanamide × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291 K;0.1 M Bis-Tris, pH 5.8, 21.5% PEG 3350, 0.4 M MgCl2 Resolution 2.72 Å R-free 0.267

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

40 other PDB entries and 106 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CCNK_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 3–269; UniProt 1–267 Author chain D; PDBConstruct 3–269; UniProt 1–267

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9jk1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9jk1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9jk1
Deposition date deposition_date2024-09-14
最后修订 last_revision2025-05-07
Structure title titleCrystal structure of CDK12/Cyclin K in complex with covalent inhibitor YJZ5118
Keywords keywordskinase, covalent inhibitor, selective, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier36.09
Radius of gyration Rg (electron density) rg_electron35.49
Forward intensity I(0) i0428225000.00
Molecular weight molecular_weight114820.0 kDa
Excluded volume excluded_volume112650 ų
Envelope volume envelope_volume203990 ų
Hydration-shell volume shell_volume46900 ų
Envelope diameter envelope_diameter114.5
Shell Rg shell_rg42.96
Envelope Rg envelope_rg34.73
Shape Rg shape_rg35.48
Total Rg total_rg35.90
Total atoms total_atoms8704
Residues n_residues1097
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax114.7
Rg (real space) rg_real35.96
Rg uncertainty (real space) rg_real_error0.93
I(0) (real space) i0_real4.2820e+08
I(0) uncertainty (real space) i0_real_error7.2640e+06
Rg (reciprocal space) rg_reciprocal36.05
I(0) (reciprocal space) i0_reciprocal428300000.0000
Solution quality estimate total_estimate0.8330
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary49.5
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.642
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha42590000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.942; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)