8xpt

The Crystal Structure of EHMT1 from Biortus.

Method: X-RAY DIFFRACTION Dmax: 111.1 Å Quality: EXCELLENT

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

Histone-lysine N-methyltransferase EHMT1

Homo sapiens

UniProt Q9H9B1

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 982–1266 Chain C; UniProt 982–1266 Not recorded SAH S-ADENOSYL-L-HOMOCYSTEINE × 2 ZN ZINC ION × 8 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2M Li2SO4, 0.1M Tris-HCl pH8.5, 25% PEG MME 5000 Resolution 3.35 Å R-free 0.262
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 982–1266 Chain D; UniProt 982–1266 Not recorded SAH S-ADENOSYL-L-HOMOCYSTEINE × 2 ZN ZINC ION × 8 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;0.2M Li2SO4, 0.1M Tris-HCl pH8.5, 25% PEG MME 5000 Resolution 3.35 Å R-free 0.262

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.

21 other PDB entries and 44 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EHMT1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–285; UniProt 982–1266 Author chain B; PDBConstruct 1–285; UniProt 982–1266 Author chain C; PDBConstruct 1–285; UniProt 982–1266 Author chain D; PDBConstruct 1–285; UniProt 982–1266

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 8xpt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xpt
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8xpt
Deposition date deposition_date2024-01-04
最后修订 last_revision2024-01-24
Structure title titleThe Crystal Structure of EHMT1 from Biortus.
Keywords keywordsChromatin regulator, Methyltransferase, Metal-binding, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.56
Radius of gyration Rg (electron density) rg_electron34.78
Forward intensity I(0) i0257325000.00
Molecular weight molecular_weight119400.0 kDa
Excluded volume excluded_volume144920 ų
Envelope volume envelope_volume195640 ų
Hydration-shell volume shell_volume46313 ų
Envelope diameter envelope_diameter113.2
Shell Rg shell_rg42.05
Envelope Rg envelope_rg34.04
Shape Rg shape_rg34.76
Total Rg total_rg35.30
Total atoms total_atoms8271
Residues n_residues1009
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 dmax111.1
Rg (real space) rg_real35.45
Rg uncertainty (real space) rg_real_error0.81
I(0) (real space) i0_real2.5730e+08
I(0) uncertainty (real space) i0_real_error4.2490e+06
Rg (reciprocal space) rg_reciprocal35.52
I(0) (reciprocal space) i0_reciprocal257300000.0000
Solution quality estimate total_estimate0.9088
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary40.4
Skewness Skewness skewness0.162
Kurtosis Kurtosis kurtosis-0.639
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16590000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.965; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.915

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)