9hlt

Crystal structure of human TRF1 TRFH domain in complex with compound 13

Method: X-RAY DIFFRACTION Dmax: 73.6 Å Quality: REASONABLE

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

Telomeric repeat-binding factor 1

Homo sapiens

UniProt P54274

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 48–268 Not recorded GOL GLYCEROL × 2 UJK 1-(2-methylphenyl)-1,2,3-triazole-4-carboxylic acid × 4 DMS DIMETHYL SULFOXIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;291 K;150 nanoliter of TRF1 TRFH at 28.6 mg/mL plus 150 nanoliter of a crystallisation solution consisting of 0.1 M MES pH 6, 1-12 mM Mg(OAc)2, 1% PEG8000, and 10-15% glycerol, against 35 microliter of crystallisation solution. Resolution 2.16 Å R-free 0.261

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.

57 other PDB entries and 73 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TERF1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–224; UniProt 48–268

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 9hlt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9hlt
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9hlt
Deposition date deposition_date2024-12-05
最后修订 last_revision2025-12-03
Structure title titleCrystal structure of human TRF1 TRFH domain in complex with compound 13
Keywords keywordsTelomere, Shelterin, Inhibitor, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.63
Radius of gyration Rg (electron density) rg_electron18.76
Forward intensity I(0) i08896300.00
Molecular weight molecular_weight21435.0 kDa
Excluded volume excluded_volume26574 ų
Envelope volume envelope_volume32369 ų
Hydration-shell volume shell_volume15459 ų
Envelope diameter envelope_diameter75.1
Shell Rg shell_rg23.91
Envelope Rg envelope_rg19.49
Shape Rg shape_rg18.80
Total Rg total_rg19.49
Total atoms total_atoms1507
Residues n_residues197
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 dmax73.6
Rg (real space) rg_real19.78
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real8.8960e+06
I(0) uncertainty (real space) i0_real_error1.0470e+05
Rg (reciprocal space) rg_reciprocal19.75
I(0) (reciprocal space) i0_reciprocal8896000.0000
Solution quality estimate total_estimate0.7209
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.8
Skewness Skewness skewness0.607
Kurtosis Kurtosis kurtosis0.233
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1621000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.551; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.715; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)