1j3h

Crystal structure of apoenzyme cAMP-dependent protein kinase catalytic subunit

Method: X-RAY DIFFRACTION Dmax: 111.5 Å Quality: GOOD

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

cAMP-dependent protein kinase, alpha-catalytic subunit

Mus musculus

UniProt P05132

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–350 Non-standard monomer:Yes (specific site not provided by mmCIF) MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;277 K;Tris-hydrogen chloride, MPD, Bicine, ammonium acetate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.90 Å R-free 0.291
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–350 Non-standard monomer:Yes (specific site not provided by mmCIF) MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;277 K;Tris-hydrogen chloride, MPD, Bicine, ammonium acetate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.90 Å R-free 0.291

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.

84 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KAPCA_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–350; UniProt 1–350 Author chain B; PDBConstruct 1–350; UniProt 1–350

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 1j3h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1j3h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1j3h
Deposition date deposition_date2003-01-31
Structure title titleCrystal structure of apoenzyme cAMP-dependent protein kinase catalytic subunit
Keywords keywordsapoenzyme, cAMP-dependent protein kinase, catalytic subunit, open conformation, preformed active site, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.27
Radius of gyration Rg (electron density) rg_electron32.63
Forward intensity I(0) i078410700.00
Molecular weight molecular_weight70579.0 kDa
Excluded volume excluded_volume88285 ų
Envelope volume envelope_volume118730 ų
Hydration-shell volume shell_volume31909 ų
Envelope diameter envelope_diameter115.8
Shell Rg shell_rg37.25
Envelope Rg envelope_rg32.38
Shape Rg shape_rg32.58
Total Rg total_rg33.19
Total atoms total_atoms5002
Residues n_residues656
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 dmax111.5
Rg (real space) rg_real33.57
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real7.8410e+07
I(0) uncertainty (real space) i0_real_error1.2800e+06
Rg (reciprocal space) rg_reciprocal33.45
I(0) (reciprocal space) i0_reciprocal78400000.0000
Solution quality estimate total_estimate0.8488
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary30.2
Skewness Skewness skewness0.469
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18840000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.812; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.787; Smooth: 0.809

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1j3ha_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd1j3hb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (4 domains)

Domain ID domain_id1j3hA01
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_id1j3hA02
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_id1j3hB01
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_id1j3hB02
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 (6)

9. Files and Curves (10)