6qtg

Crystal structure of human CDK8/CYCC in complex with BI-1347

Method: X-RAY DIFFRACTION Dmax: 89.2 Å Quality: EXCELLENT

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

Cyclin-dependent kinase 8

Homo sapiens

UniProt P49336

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 1–403 Not recorded Cyclin-C × 1 (P24863) JH8 2-[4-(4-isoquinolin-4-ylphenyl)pyrazol-1-yl]-~{N},~{N}-dimethyl-ethanamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;278 K;32-38% Morpheus Precipitant Mix 4 10 mmol/L Morpheus Buffer System 1 100 mM Morpheus Amino Acids Mix 2% DMSO Resolution 2.70 Å R-free 0.231

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.

35 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CDK8_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–405; UniProt 1–403

Cyclin-C

Homo sapiens

UniProt P24863

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 B; UniProt 1–283 Not recorded Cyclin-dependent kinase 8 × 1 (P49336) JH8 2-[4-(4-isoquinolin-4-ylphenyl)pyrazol-1-yl]-~{N},~{N}-dimethyl-ethanamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;278 K;32-38% Morpheus Precipitant Mix 4 10 mmol/L Morpheus Buffer System 1 100 mM Morpheus Amino Acids Mix 2% DMSO Resolution 2.70 Å R-free 0.231

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.

35 other PDB entries and 35 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CCNC_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–285; UniProt 1–283

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 6qtg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6qtg
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6qtg
Deposition date deposition_date2019-02-25
Structure title titleCrystal structure of human CDK8/CYCC in complex with BI-1347
Keywords keywordsInhibitor, Complex, CELL CYCLE; CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.77
Radius of gyration Rg (electron density) rg_electron27.77
Forward intensity I(0) i073635900.00
Molecular weight molecular_weight70151.0 kDa
Excluded volume excluded_volume89091 ų
Envelope volume envelope_volume109800 ų
Hydration-shell volume shell_volume32827 ų
Envelope diameter envelope_diameter91.5
Shell Rg shell_rg35.20
Envelope Rg envelope_rg27.76
Shape Rg shape_rg27.75
Total Rg total_rg28.61
Total atoms total_atoms4943
Residues n_residues593
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 dmax89.2
Rg (real space) rg_real28.72
Rg uncertainty (real space) rg_real_error0.66
I(0) (real space) i0_real7.3640e+07
I(0) uncertainty (real space) i0_real_error1.1690e+06
Rg (reciprocal space) rg_reciprocal28.74
I(0) (reciprocal space) i0_reciprocal73640000.0000
Solution quality estimate total_estimate0.9076
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary30.8
Skewness Skewness skewness0.238
Kurtosis Kurtosis kurtosis-0.598
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24890000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.957; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.932

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id6qtgA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id6qtgA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id6qtgB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id6qtgB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like

8. Citations (1)

9. Files and Curves (10)