5m75

Cocrystal structure of cAMP-dependent Protein Kinase (PKA) in complex with a (S)-methyl substitued Fasudil-derivative

Method: X-RAY DIFFRACTION Dmax: 73.0 Å Quality: GOOD

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

cAMP-dependent protein kinase catalytic subunit alpha

Cricetulus griseus

UniProt P25321

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 1–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase inhibitor alpha × 1 (P61925) DMS DIMETHYL SULFOXIDE × 1 9K6 5-[[(2~{S})-2-methyl-1,4-diazepan-1-yl]sulfonyl]isoquinoline × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.9;277.15 K;Drop: 10 mg/ml PKA (0.240 mM) 30 mM MBT (MES/Bis-Tris Puffer pH 6.9) 1 mM DTT 0.1 mM EDTA 75 mM LiCl 0.03 mM Mega 8 0.07mM PKI (Sigma: P7739) 1.2 mM ligand solved in DMSO (50 mM Stock) Reservoir: 18% Methanol 0.003 mL drop volume, 0.4 mL reservoir volume Resolution 1.54 Å R-free 0.174

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.

158 other PDB entries and 158 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KAPCA_CRIGR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–353; UniProt 1–351

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 B; UniProt 6–25 Not recorded cAMP-dependent protein kinase catalytic subunit alpha × 1 (P25321) DMS DIMETHYL SULFOXIDE × 1 9K6 5-[[(2~{S})-2-methyl-1,4-diazepan-1-yl]sulfonyl]isoquinoline × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.9;277.15 K;Drop: 10 mg/ml PKA (0.240 mM) 30 mM MBT (MES/Bis-Tris Puffer pH 6.9) 1 mM DTT 0.1 mM EDTA 75 mM LiCl 0.03 mM Mega 8 0.07mM PKI (Sigma: P7739) 1.2 mM ligand solved in DMSO (50 mM Stock) Reservoir: 18% Methanol 0.003 mL drop volume, 0.4 mL reservoir volume Resolution 1.54 Å R-free 0.174

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 100 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 B; 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 5m75

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5m75
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5m75
Deposition date deposition_date2016-10-26
Structure title titleCocrystal structure of cAMP-dependent Protein Kinase (PKA) in complex with a (S)-methyl substitued Fasudil-derivative
Keywords keywordsPKA, Kinase, Fasudil-derivative, Inhibition, Cocrystal, 3x-Phosphorylated, transferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.10
Radius of gyration Rg (electron density) rg_electron20.60
Forward intensity I(0) i029395200.00
Molecular weight molecular_weight42507.0 kDa
Excluded volume excluded_volume53537 ų
Envelope volume envelope_volume61844 ų
Hydration-shell volume shell_volume24499 ų
Envelope diameter envelope_diameter77.2
Shell Rg shell_rg27.92
Envelope Rg envelope_rg20.98
Shape Rg shape_rg20.56
Total Rg total_rg21.67
Total atoms total_atoms5864
Residues n_residues369
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 dmax73.0
Rg (real space) rg_real21.98
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real2.9400e+07
I(0) uncertainty (real space) i0_real_error3.9790e+05
Rg (reciprocal space) rg_reciprocal22.00
I(0) (reciprocal space) i0_reciprocal29400000.0000
Solution quality estimate total_estimate0.8002
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary28.3
Skewness Skewness skewness0.236
Kurtosis Kurtosis kurtosis-0.288
Angular range angular_range— – 0.3600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7874000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.800; 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 (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id5m75A01
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_id5m75A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1

8. Citations (1)

9. Files and Curves (10)