4wb6

Crystal structure of a L205R mutant of human cAMP-dependent protein kinase A (catalytic alpha subunit)

Method: X-RAY DIFFRACTION Dmax: 98.2 Å Quality: GOOD

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 2–351 Non-standard monomer:Yes (specific site not provided by mmCIF) PKI (5-24) × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;10% PEG 8000, 0.1M HEPES pH 7.5 Resolution 2.10 Å R-free 0.237
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 2–351 Non-standard monomer:Yes (specific site not provided by mmCIF) PKI (5-24) × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;295 K;10% PEG 8000, 0.1M HEPES pH 7.5 Resolution 2.10 Å R-free 0.237

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, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–350; UniProt 2–351 Author chain B; PDBConstruct 1–350; UniProt 2–351

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 4wb6

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4wb6
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4wb6
Deposition date deposition_date2014-09-02
Structure title titleCrystal structure of a L205R mutant of human cAMP-dependent protein kinase A (catalytic alpha subunit)
Keywords keywords;Cushing's syndrome, protein kinase, phosphorylation, mutant, adenosine triphosphate, catalysis, TRANSFERASE-TRANSFERASE inhibitor complex ;; TRANSFERASE/TRANSFERASE inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.73
Radius of gyration Rg (electron density) rg_electron30.04
Forward intensity I(0) i0112954000.00
Molecular weight molecular_weight85149.0 kDa
Excluded volume excluded_volume106980 ų
Envelope volume envelope_volume132670 ų
Hydration-shell volume shell_volume36857 ų
Envelope diameter envelope_diameter99.9
Shell Rg shell_rg37.12
Envelope Rg envelope_rg29.82
Shape Rg shape_rg30.06
Total Rg total_rg30.61
Total atoms total_atoms6006
Residues n_residues715
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 dmax98.2
Rg (real space) rg_real30.75
Rg uncertainty (real space) rg_real_error0.63
I(0) (real space) i0_real1.1300e+08
I(0) uncertainty (real space) i0_real_error1.6980e+06
Rg (reciprocal space) rg_reciprocal30.75
I(0) (reciprocal space) i0_reciprocal113000000.0000
Solution quality estimate total_estimate0.8916
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.2
Skewness Skewness skewness0.324
Kurtosis Kurtosis kurtosis-0.568
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha41190000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.913; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.872

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4wb6A01
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_id4wb6A02
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_id4wb6B01
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_id4wb6B02
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)