1stc

CAMP-DEPENDENT PROTEIN KINASE, ALPHA-CATALYTIC SUBUNIT IN COMPLEX WITH STAUROSPORINE

Method: X-RAY DIFFRACTION Dmax: 67.5 Å Quality: GOOD

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

CAMP-DEPENDENT PROTEIN KINASE

Bos taurus

UniProt P00517

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 1–350 Fragment:CATALYTIC SUBUNIT Non-standard monomer:Yes (specific site not provided by mmCIF) PROTEIN KINASE INHIBITOR × 1 (P04541) STU STAUROSPORINE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.30 Å R-free 0.330

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.

97 other PDB entries and 111 assemblies. Open the comparison page and filter oligomeric states

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

PROTEIN KINASE INHIBITOR

OrganismNot specified

UniProt P04541

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 I; UniProt 5–24 Fragment:INHIBITORY DOMAIN CAMP-DEPENDENT PROTEIN KINASE × 1 (P00517) STU STAUROSPORINE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.30 Å R-free 0.330

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.

13 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IPKA_HUMANX
Isoform
PDB entities 2
Chains and sequence ranges Author chain I; PDBConstruct 1–20; UniProt 5–24

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 1stc

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1stc
Deposition date deposition_date1997-10-10
Structure title titleCAMP-DEPENDENT PROTEIN KINASE, ALPHA-CATALYTIC SUBUNIT IN COMPLEX WITH STAUROSPORINE
Keywords keywords;PROTEIN KINASE, STAUROSPORINE, CAMP, PHOSPHORYLATION, COMPLEX (TRANSFERASE-INHIBITOR), SERINE/THREONINE-PROTEIN KINASE, COMPLEX (TRANSFERASE-INHIBITOR) complex ;; COMPLEX (TRANSFERASE/INHIBITOR)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.67
Radius of gyration Rg (electron density) rg_electron20.35
Forward intensity I(0) i027346600.00
Molecular weight molecular_weight41634.0 kDa
Excluded volume excluded_volume52717 ų
Envelope volume envelope_volume59451 ų
Hydration-shell volume shell_volume23905 ų
Envelope diameter envelope_diameter70.7
Shell Rg shell_rg27.37
Envelope Rg envelope_rg20.52
Shape Rg shape_rg20.30
Total Rg total_rg21.41
Total atoms total_atoms2945
Residues n_residues351
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 dmax67.5
Rg (real space) rg_real21.54
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real2.7350e+07
I(0) uncertainty (real space) i0_real_error3.5810e+05
Rg (reciprocal space) rg_reciprocal21.56
I(0) (reciprocal space) i0_reciprocal27350000.0000
Solution quality estimate total_estimate0.8999
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.2
Skewness Skewness skewness0.184
Kurtosis Kurtosis kurtosis-0.409
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7239000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.907; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.978

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1stce_
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 (2 domains)

Domain ID domain_id1stcE01
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_id1stcE02
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 (4)

9. Files and Curves (10)