8w8g

Crystal structure of human TRF1 with PinX1

Method: X-RAY DIFFRACTION Dmax: 114.2 Å Quality: GOOD

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 58–269 Chain B; UniProt 58–269 Not recorded PIN2/TERF1-interacting telomerase inhibitor 1 × 2 HEZ HEXANE-1,6-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;289 K;0.05 M HEPES, 4% PEG2000 MME, 3% 1.6-hexanediol and 0.04 M NaCl Resolution 2.70 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 58–269 Chain D; UniProt 58–269 Not recorded PIN2/TERF1-interacting telomerase inhibitor 1 × 2 HEZ HEXANE-1,6-DIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;289 K;0.05 M HEPES, 4% PEG2000 MME, 3% 1.6-hexanediol and 0.04 M NaCl Resolution 2.70 Å R-free 0.263

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 72 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 1–212; UniProt 58–269 Author chain B; PDBConstruct 1–212; UniProt 58–269 Author chain C; PDBConstruct 1–212; UniProt 58–269 Author chain D; PDBConstruct 1–212; UniProt 58–269

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 8w8g

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8w8g
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8w8g
Deposition date deposition_date2023-09-02
Structure title titleCrystal structure of human TRF1 with PinX1
Keywords keywordsTelomere, Telomerase activity, Tumorigenesis, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.56
Radius of gyration Rg (electron density) rg_electron34.37
Forward intensity I(0) i0155626000.00
Molecular weight molecular_weight99990.0 kDa
Excluded volume excluded_volume125460 ų
Envelope volume envelope_volume168690 ų
Hydration-shell volume shell_volume42180 ų
Envelope diameter envelope_diameter120.5
Shell Rg shell_rg39.64
Envelope Rg envelope_rg34.06
Shape Rg shape_rg34.39
Total Rg total_rg34.70
Total atoms total_atoms7016
Residues n_residues868
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 dmax114.2
Rg (real space) rg_real34.58
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real1.5560e+08
I(0) uncertainty (real space) i0_real_error2.4990e+06
Rg (reciprocal space) rg_reciprocal34.57
I(0) (reciprocal space) i0_reciprocal155600000.0000
Solution quality estimate total_estimate0.8874
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary42.2
Skewness Skewness skewness0.337
Kurtosis Kurtosis kurtosis-0.357
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha38280000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.829

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)