5k4l

Crystal structure of KDM5A in complex with a naphthyridone inhibitor

Method: X-RAY DIFFRACTION Dmax: 100.0 Å Quality: EXCELLENT

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

Lysine-specific demethylase 5A

Homo sapiens

UniProt P29375

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 12–797 Chain B; UniProt 12–797 Fragment:UNP residues 12-797 NI NICKEL (II) ION × 2 ZN ZINC ION × 4 6QN ~{N}-ethyl-4-oxidanyl-2-oxidanylidene-1~{H}-1,7-naphthyridine-3-carboxamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.3;292 K;20% PEG3350, 0.1 M HEPES, pH 7.3, and 12% glycerol Resolution 3.18 Å R-free 0.257
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 12–797 Chain B; UniProt 12–797 Fragment:UNP residues 12-797 Unknown Peptide × 2 NI NICKEL (II) ION × 2 ZN ZINC ION × 4 6QN ~{N}-ethyl-4-oxidanyl-2-oxidanylidene-1~{H}-1,7-naphthyridine-3-carboxamide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.3;292 K;20% PEG3350, 0.1 M HEPES, pH 7.3, and 12% glycerol Resolution 3.18 Å R-free 0.257

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.

45 other PDB entries and 51 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KDM5A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–787; UniProt 12–797 Author chain B; PDBConstruct 2–787; UniProt 12–797

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 5k4l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5k4l
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id5k4l
Deposition date deposition_date2016-05-20
Structure title titleCrystal structure of KDM5A in complex with a naphthyridone inhibitor
Keywords keywordsepigenetics, demethylase, jumonji, inhibitor, cancer, Oxidoreductase-Inhibitor complex; Oxidoreductase/Inhibitor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.94
Radius of gyration Rg (electron density) rg_electron33.07
Forward intensity I(0) i0272457000.00
Molecular weight molecular_weight132860.0 kDa
Excluded volume excluded_volume166150 ų
Envelope volume envelope_volume220590 ų
Hydration-shell volume shell_volume53632 ų
Envelope diameter envelope_diameter103.5
Shell Rg shell_rg41.68
Envelope Rg envelope_rg32.15
Shape Rg shape_rg33.06
Total Rg total_rg33.80
Total atoms total_atoms18172
Residues n_residues1174
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 dmax100.0
Rg (real space) rg_real33.69
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real2.7250e+08
I(0) uncertainty (real space) i0_real_error4.2520e+06
Rg (reciprocal space) rg_reciprocal33.85
I(0) (reciprocal space) i0_reciprocal272500000.0000
Solution quality estimate total_estimate0.9053
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.8
Skewness Skewness skewness-0.019
Kurtosis Kurtosis kurtosis-0.581
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha35660000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.947; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.970; Smooth: 0.957

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id5k4lA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin
Domain ID domain_id5k4lA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily60 — ARID DNA-binding domain
Domain ID domain_id5k4lB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin
Domain ID domain_id5k4lB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily60 — ARID DNA-binding domain

8. Citations (1)

9. Files and Curves (10)