6h4s

Crystal structure of human KDM4A in complex with compound 16m

Method: X-RAY DIFFRACTION Dmax: 138.7 Å Quality: GOOD

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

Lysine-specific demethylase 4A

Homo sapiens

UniProt O75164

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–359 Not recorded ZN ZINC ION × 2 FQE 8-[4-[2-[4-[3-[2-(dimethylamino)ethyl]phenyl]piperidin-1-yl]ethyl]pyrazol-1-yl]-3~{H}-pyrido[3,4-d]pyrimidin-4-one × 1 DMS DIMETHYL SULFOXIDE × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;Crystallisation solution is 0.1M Bis-Tris-Propane pH7.5, 12-16% PEG-4000. Inhibitor is soaked in crystals by addition directly to the drops of DMSO dissolved compound Resolution 2.45 Å R-free 0.218
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–359 Not recorded ZN ZINC ION × 2 FQE 8-[4-[2-[4-[3-[2-(dimethylamino)ethyl]phenyl]piperidin-1-yl]ethyl]pyrazol-1-yl]-3~{H}-pyrido[3,4-d]pyrimidin-4-one × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;Crystallisation solution is 0.1M Bis-Tris-Propane pH7.5, 12-16% PEG-4000. Inhibitor is soaked in crystals by addition directly to the drops of DMSO dissolved compound Resolution 2.45 Å R-free 0.218
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–359 Not recorded ZN ZINC ION × 2 FQE 8-[4-[2-[4-[3-[2-(dimethylamino)ethyl]phenyl]piperidin-1-yl]ethyl]pyrazol-1-yl]-3~{H}-pyrido[3,4-d]pyrimidin-4-one × 1 DMS DIMETHYL SULFOXIDE × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;Crystallisation solution is 0.1M Bis-Tris-Propane pH7.5, 12-16% PEG-4000. Inhibitor is soaked in crystals by addition directly to the drops of DMSO dissolved compound Resolution 2.45 Å R-free 0.218
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–359 Not recorded ZN ZINC ION × 2 FQE 8-[4-[2-[4-[3-[2-(dimethylamino)ethyl]phenyl]piperidin-1-yl]ethyl]pyrazol-1-yl]-3~{H}-pyrido[3,4-d]pyrimidin-4-one × 1 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;Crystallisation solution is 0.1M Bis-Tris-Propane pH7.5, 12-16% PEG-4000. Inhibitor is soaked in crystals by addition directly to the drops of DMSO dissolved compound Resolution 2.45 Å R-free 0.218

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.

88 other PDB entries and 233 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KDM4A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–360; UniProt 1–359 Author chain B; PDBConstruct 2–360; UniProt 1–359 Author chain C; PDBConstruct 2–360; UniProt 1–359 Author chain D; PDBConstruct 2–360; UniProt 1–359

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 6h4s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6h4s
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id6h4s
Deposition date deposition_date2018-07-23
Structure title titleCrystal structure of human KDM4A in complex with compound 16m
Keywords keywordsHistone demethylase, Inhibitor, transcription, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier40.96
Radius of gyration Rg (electron density) rg_electron40.81
Forward intensity I(0) i0337185000.00
Molecular weight molecular_weight152980.0 kDa
Excluded volume excluded_volume191840 ų
Envelope volume envelope_volume261290 ų
Hydration-shell volume shell_volume54398 ų
Envelope diameter envelope_diameter144.8
Shell Rg shell_rg45.56
Envelope Rg envelope_rg39.68
Shape Rg shape_rg40.83
Total Rg total_rg41.01
Total atoms total_atoms10805
Residues n_residues1352
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 dmax138.7
Rg (real space) rg_real41.00
Rg uncertainty (real space) rg_real_error1.32
I(0) (real space) i0_real3.3720e+08
I(0) uncertainty (real space) i0_real_error6.3360e+06
Rg (reciprocal space) rg_reciprocal40.96
I(0) (reciprocal space) i0_reciprocal337200000.0000
Solution quality estimate total_estimate0.8809
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.4
Skewness Skewness skewness0.311
Kurtosis Kurtosis kurtosis-0.411
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha50900000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.873; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.943; Smooth: 0.886

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd6h4sa_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.2 — Clavaminate synthase-like
Family Family familyb.82.2.14 — Jumonji domain / Histone demethylase core
Domain ID domain_idd6h4sb_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.2 — Clavaminate synthase-like
Family Family familyb.82.2.14 — Jumonji domain / Histone demethylase core
Domain ID domain_idd6h4sc_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.2 — Clavaminate synthase-like
Family Family familyb.82.2.14 — Jumonji domain / Histone demethylase core
Domain ID domain_idd6h4sd_
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.2 — Clavaminate synthase-like
Family Family familyb.82.2.14 — Jumonji domain / Histone demethylase core

CATH v4.4 (4 domains)

Domain ID domain_id6h4sA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin
Domain ID domain_id6h4sB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin
Domain ID domain_id6h4sC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin
Domain ID domain_id6h4sD01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily650 — Cupin

8. Citations (1)

9. Files and Curves (10)