2qvs

Crystal Structure of Type IIa Holoenzyme of cAMP-dependent Protein Kinase

Method: X-RAY DIFFRACTION Dmax: 97.5 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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 2–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase type II-alpha regulatory subunit × 1 (P12367) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;295.5 K;1.9 M sodium formate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295.5K Resolution 2.50 Å R-free 0.251

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 99 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 E; PDBConstruct 1–350; UniProt 2–351

cAMP-dependent protein kinase type II-alpha regulatory subunit

Mus musculus

UniProt P12367

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 92–401 Not recorded cAMP-dependent protein kinase, alpha-catalytic subunit × 1 (P05132) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;295.5 K;1.9 M sodium formate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295.5K Resolution 2.50 Å R-free 0.251

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.

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KAP2_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–310; UniProt 92–401

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 2qvs

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2qvs
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2qvs
Deposition date deposition_date2007-08-08
Structure title titleCrystal Structure of Type IIa Holoenzyme of cAMP-dependent Protein Kinase
Keywords keywords;cAMP-dependent protein kinase, Type IIa holoenzyme, isoform diversity, Alternative splicing, ATP-binding, Cytoplasm, Lipoprotein, Myristate, Nucleotide-binding, Nucleus, Phosphorylation, Serine/threonine-protein kinase, Transferase, Acetylation, cAMP-binding, transferase-transferase regulator COMPLEX ;; transferase/transferase regulator
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.11
Radius of gyration Rg (electron density) rg_electron27.84
Forward intensity I(0) i078053300.00
Molecular weight molecular_weight69105.0 kDa
Excluded volume excluded_volume86432 ų
Envelope volume envelope_volume111270 ų
Hydration-shell volume shell_volume33583 ų
Envelope diameter envelope_diameter102.7
Shell Rg shell_rg34.73
Envelope Rg envelope_rg28.21
Shape Rg shape_rg27.86
Total Rg total_rg28.50
Total atoms total_atoms4875
Residues n_residues621
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 dmax97.5
Rg (real space) rg_real29.06
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real7.8050e+07
I(0) uncertainty (real space) i0_real_error1.2540e+06
Rg (reciprocal space) rg_reciprocal29.08
I(0) (reciprocal space) i0_reciprocal78050000.0000
Solution quality estimate total_estimate0.8917
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.3
Skewness Skewness skewness0.273
Kurtosis Kurtosis kurtosis-0.340
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15930000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.863; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2qvse_
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_id2qvsB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id2qvsB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id2qvsE01
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_id2qvsE02
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)