1ung

Structural mechanism for the inhibition of CDK5-p25 by roscovitine, aloisine and indirubin.

Method: X-RAY DIFFRACTION Dmax: 153.8 Å Quality: REASONABLE

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

CELL DIVISION PROTEIN KINASE 5

HOMO SAPIENS

UniProt Q00535

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 1–292 Mutation:YES CYCLIN-DEPENDENT KINASE 5 ACTIVATOR 1 × 1 (Q15078) ALH 6-PHENYL[5H]PYRROLO[2,3-B]PYRAZINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;13% PEG 3350, 0.1M KI, 0.1M BISTRISPROPANE PH 7.0, 10MM DTT Resolution 2.30 Å R-free 0.225
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–292 Mutation:YES CYCLIN-DEPENDENT KINASE 5 ACTIVATOR 1 × 1 (Q15078) ALH 6-PHENYL[5H]PYRROLO[2,3-B]PYRAZINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;13% PEG 3350, 0.1M KI, 0.1M BISTRISPROPANE PH 7.0, 10MM DTT Resolution 2.30 Å R-free 0.225

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.

9 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CDK5_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–292; UniProt 1–292 Author chain B; PDBConstruct 1–292; UniProt 1–292

CYCLIN-DEPENDENT KINASE 5 ACTIVATOR 1

HOMO SAPIENS

UniProt Q15078

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 D; UniProt 100–307 Fragment:RESIDUES 100-307 CELL DIVISION PROTEIN KINASE 5 × 1 (Q00535) ALH 6-PHENYL[5H]PYRROLO[2,3-B]PYRAZINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;13% PEG 3350, 0.1M KI, 0.1M BISTRISPROPANE PH 7.0, 10MM DTT Resolution 2.30 Å R-free 0.225
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 100–307 Fragment:RESIDUES 100-307 CELL DIVISION PROTEIN KINASE 5 × 1 (Q00535) ALH 6-PHENYL[5H]PYRROLO[2,3-B]PYRAZINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;13% PEG 3350, 0.1M KI, 0.1M BISTRISPROPANE PH 7.0, 10MM DTT Resolution 2.30 Å R-free 0.225

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.

10 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CD5R_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–208; UniProt 100–307 Author chain E; PDBConstruct 1–208; UniProt 100–307

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 1ung

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1ung
Deposition date deposition_date2003-09-10
Structure title titleStructural mechanism for the inhibition of CDK5-p25 by roscovitine, aloisine and indirubin.
Keywords keywordsCELL CYCLE, COMPLEX(KINASE-ACTIVATOR), INHIBITORS, NEURODEGENERATIVE DISEASES; CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier46.29
Radius of gyration Rg (electron density) rg_electron46.99
Forward intensity I(0) i0133525000.00
Molecular weight molecular_weight98186.0 kDa
Excluded volume excluded_volume124230 ų
Envelope volume envelope_volume175160 ų
Hydration-shell volume shell_volume32602 ų
Envelope diameter envelope_diameter164.5
Shell Rg shell_rg46.42
Envelope Rg envelope_rg47.68
Shape Rg shape_rg46.98
Total Rg total_rg47.00
Total atoms total_atoms6910
Residues n_residues855
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 dmax153.8
Rg (real space) rg_real47.12
Rg uncertainty (real space) rg_real_error1.86
I(0) (real space) i0_real1.3350e+08
I(0) uncertainty (real space) i0_real_error2.7450e+06
Rg (reciprocal space) rg_reciprocal46.30
I(0) (reciprocal space) i0_reciprocal133400000.0000
Solution quality estimate total_estimate0.6591
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.1
Skewness Skewness skewness0.492
Kurtosis Kurtosis kurtosis-0.739
Angular range angular_range— – 0.1700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9621000.0000
Real-space data points n_real_points35
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.352; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.338; Smooth: 0.171

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1unga_
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_idd1ungb_
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_idd1ungd_
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin
Domain ID domain_idd1unge_
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin

CATH v4.4 (6 domains)

Domain ID domain_id1ungA01
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_id1ungA02
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_id1ungB01
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_id1ungB02
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_id1ungD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1ungE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like

8. Citations (1)

9. Files and Curves (10)