9quk

Structure of human MTH1 in complex with 8DG by MicroED using low electron fluence

Method: ELECTRON CRYSTALLOGRAPHY Dmax: 77.8 Å Quality: GOOD

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

7,8-dihydro-8-oxoguanine triphosphatase

Homo sapiens

UniProt P36639

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 42–197 Not recorded 8DG 8-OXO-2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 1 SO4 SULFATE ION × 2 ELECTRON CRYSTALLOGRAPHY cryo-EM buffer:pH 4 cryo-EM vitrification conditions:Cryogen ETHANE;Manual blotting at room temperature with ambient humidity Resolution 2.86 Å R-free 0.282
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 42–197 Not recorded 8DG 8-OXO-2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 1 SO4 SULFATE ION × 3 ELECTRON CRYSTALLOGRAPHY cryo-EM buffer:pH 4 cryo-EM vitrification conditions:Cryogen ETHANE;Manual blotting at room temperature with ambient humidity Resolution 2.86 Å R-free 0.282

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.

123 other PDB entries and 204 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 8ODP_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–159; UniProt 42–197 Author chain B; PDBConstruct 4–159; UniProt 42–197

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 9quk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9quk
Deposition date deposition_date2025-04-10
最后修订 last_revision2026-04-22
Structure title titleStructure of human MTH1 in complex with 8DG by MicroED using low electron fluence
Keywords keywordsserial electron diffraction, SerialED, MicroED, MTH1, 8DG, Hydrolase; HYDROLASE
Experimental Method methodELECTRON CRYSTALLOGRAPHY

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

Radius of gyration Rg (Guinier) rg_guinier24.33
Radius of gyration Rg (electron density) rg_electron23.29
Forward intensity I(0) i024995000.00
Molecular weight molecular_weight37096.0 kDa
Excluded volume excluded_volume45821 ų
Envelope volume envelope_volume55036 ų
Hydration-shell volume shell_volume20619 ų
Envelope diameter envelope_diameter78.5
Shell Rg shell_rg29.04
Envelope Rg envelope_rg23.23
Shape Rg shape_rg23.23
Total Rg total_rg24.16
Total atoms total_atoms5067
Residues n_residues309
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 dmax77.8
Rg (real space) rg_real24.47
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real2.5000e+07
I(0) uncertainty (real space) i0_real_error3.5280e+05
Rg (reciprocal space) rg_reciprocal24.44
I(0) (reciprocal space) i0_reciprocal24990000.0000
Solution quality estimate total_estimate0.8680
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.4
Skewness Skewness skewness0.406
Kurtosis Kurtosis kurtosis-0.617
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5985000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.814; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.864; Smooth: 0.973

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)