9dc6

Structure of J-PKAc chimera in complex with Aplithianine e1

Method: X-RAY DIFFRACTION Dmax: 106.7 Å Quality: EXCELLENT

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

cAMP-dependent protein kinase catalytic subunit alpha

Homo sapiens

UniProt P17612

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 16–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase inhibitor alpha × 1 (P61925) A1A3I N-(2-aminoethyl)-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,4-dihydro-2H-1,4-thiazine-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277.15 K;200 mM Lithium sulfate, 100 mM Hepes pH 7.5, 20 % PEG 3350 Resolution 2.70 Å R-free 0.311
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 16–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase inhibitor alpha × 1 (P61925) A1A3I N-(2-aminoethyl)-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,4-dihydro-2H-1,4-thiazine-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277.15 K;200 mM Lithium sulfate, 100 mM Hepes pH 7.5, 20 % PEG 3350 Resolution 2.70 Å R-free 0.311

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.

53 other PDB entries and 77 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KAPCA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 70–405; UniProt 16–351 Author chain B; PDBConstruct 70–405; UniProt 16–351

cAMP-dependent protein kinase inhibitor alpha

OrganismNot specified

UniProt P61925

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 I; UniProt 6–25 Not recorded cAMP-dependent protein kinase catalytic subunit alpha × 1 (P17612) A1A3I N-(2-aminoethyl)-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,4-dihydro-2H-1,4-thiazine-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277.15 K;200 mM Lithium sulfate, 100 mM Hepes pH 7.5, 20 % PEG 3350 Resolution 2.70 Å R-free 0.311
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain J; UniProt 6–25 Not recorded cAMP-dependent protein kinase catalytic subunit alpha × 1 (P17612) A1A3I N-(2-aminoethyl)-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-3,4-dihydro-2H-1,4-thiazine-6-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277.15 K;200 mM Lithium sulfate, 100 mM Hepes pH 7.5, 20 % PEG 3350 Resolution 2.70 Å R-free 0.311

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.

90 other PDB entries and 99 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IPKA_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain I; PDBConstruct 1–20; UniProt 6–25 Author chain J; PDBConstruct 1–20; UniProt 6–25

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 9dc6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9dc6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9dc6
Deposition date deposition_date2024-08-25
最后修订 last_revision2025-07-09
Structure title titleStructure of J-PKAc chimera in complex with Aplithianine e1
Keywords keywordsProtein kinase A, Fibrolamellar Hepatocellular carcinoma, Natural Product, Signaling protein, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.06
Radius of gyration Rg (electron density) rg_electron32.39
Forward intensity I(0) i0294709000.00
Molecular weight molecular_weight92764.0 kDa
Excluded volume excluded_volume90138 ų
Envelope volume envelope_volume161800 ų
Hydration-shell volume shell_volume41400 ų
Envelope diameter envelope_diameter113.8
Shell Rg shell_rg39.44
Envelope Rg envelope_rg32.10
Shape Rg shape_rg32.38
Total Rg total_rg32.83
Total atoms total_atoms7058
Residues n_residues845
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 dmax106.7
Rg (real space) rg_real32.98
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real2.9470e+08
I(0) uncertainty (real space) i0_real_error4.8850e+06
Rg (reciprocal space) rg_reciprocal33.02
I(0) (reciprocal space) i0_reciprocal294700000.0000
Solution quality estimate total_estimate0.9031
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.8
Skewness Skewness skewness0.226
Kurtosis Kurtosis kurtosis-0.557
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha34420000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.930; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.951

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)