6no7

Crystal Structure of the full-length wild-type PKA RIa Holoenzyme

Method: X-RAY DIFFRACTION Dmax: 151.8 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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 2–351 Chain C; UniProt 2–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase type I-alpha regulatory subunit × 2 (P00514) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;296 K;mixing 1 ul of the protein solution (7.5 mg/ml) and 1 ul of the reservoir solution (100 mM imidazole/MES pH=7.0, 100 mM NPS, 16.8% v/v Ethylene glycol, 8.4 % w/v PEG 8000). Resolution 3.55 Å R-free 0.269
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 2–351 Chain G; UniProt 2–351 Non-standard monomer:Yes (specific site not provided by mmCIF) cAMP-dependent protein kinase type I-alpha regulatory subunit × 2 (P00514) MG MAGNESIUM ION × 4 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;296 K;mixing 1 ul of the protein solution (7.5 mg/ml) and 1 ul of the reservoir solution (100 mM imidazole/MES pH=7.0, 100 mM NPS, 16.8% v/v Ethylene glycol, 8.4 % w/v PEG 8000). Resolution 3.55 Å R-free 0.269

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 1–350; UniProt 2–351 Author chain C; PDBConstruct 1–350; UniProt 2–351 Author chain E; PDBConstruct 1–350; UniProt 2–351 Author chain G; PDBConstruct 1–350; UniProt 2–351

cAMP-dependent protein kinase type I-alpha regulatory subunit

Bos taurus

UniProt P00514

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–380 Chain D; UniProt 1–380 Not recorded cAMP-dependent protein kinase catalytic subunit alpha × 2 (P17612) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;296 K;mixing 1 ul of the protein solution (7.5 mg/ml) and 1 ul of the reservoir solution (100 mM imidazole/MES pH=7.0, 100 mM NPS, 16.8% v/v Ethylene glycol, 8.4 % w/v PEG 8000). Resolution 3.55 Å R-free 0.269
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain F; UniProt 1–380 Chain H; UniProt 1–380 Not recorded cAMP-dependent protein kinase catalytic subunit alpha × 2 (P17612) MG MAGNESIUM ION × 4 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;296 K;mixing 1 ul of the protein solution (7.5 mg/ml) and 1 ul of the reservoir solution (100 mM imidazole/MES pH=7.0, 100 mM NPS, 16.8% v/v Ethylene glycol, 8.4 % w/v PEG 8000). Resolution 3.55 Å R-free 0.269

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.

25 other PDB entries and 45 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KAP0_BOVIN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–380; UniProt 1–380 Author chain D; PDBConstruct 1–380; UniProt 1–380 Author chain F; PDBConstruct 1–380; UniProt 1–380 Author chain H; PDBConstruct 1–380; UniProt 1–380

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 6no7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6no7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6no7
Deposition date deposition_date2019-01-15
Structure title titleCrystal Structure of the full-length wild-type PKA RIa Holoenzyme
Keywords keywordsPKA, RIa holoenzyme, ATP-dependent, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier48.94
Radius of gyration Rg (electron density) rg_electron48.33
Forward intensity I(0) i01147550000.00
Molecular weight molecular_weight285280.0 kDa
Excluded volume excluded_volume358450 ų
Envelope volume envelope_volume516220 ų
Hydration-shell volume shell_volume88197 ų
Envelope diameter envelope_diameter154.0
Shell Rg shell_rg53.16
Envelope Rg envelope_rg47.33
Shape Rg shape_rg48.35
Total Rg total_rg48.41
Total atoms total_atoms20128
Residues n_residues2479
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 dmax151.8
Rg (real space) rg_real48.68
Rg uncertainty (real space) rg_real_error1.02
I(0) (real space) i0_real1.1480e+09
I(0) uncertainty (real space) i0_real_error1.9520e+07
Rg (reciprocal space) rg_reciprocal48.94
I(0) (reciprocal space) i0_reciprocal1148000000.0000
Solution quality estimate total_estimate0.8876
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary61.7
Skewness Skewness skewness0.125
Kurtosis Kurtosis kurtosis-0.583
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha146900000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.958; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.675

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

Domain ID domain_id6no7A01
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_id6no7A02
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_id6no7B01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7B02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7C01
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_id6no7C02
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_id6no7D01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7D02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7E01
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_id6no7E02
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_id6no7F01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7F02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7G01
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_id6no7G02
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_id6no7H01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id6no7H02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls

8. Citations (1)

9. Files and Curves (10)