9mbe

Neutron crystal structure of human MTH1(G2K/C87A/C104S mutant) in complex with 8-oxo-dGTP

Dmax: 72.5 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 NA SODIUM ION × 2 Experimental method not declared X-ray crystallization conditions:VAPOR DIFFUSION;293 K;sodium citrate, cacodylate, NaCl Resolution not provided
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 NA SODIUM ION × 1 Experimental method not declared X-ray crystallization conditions:VAPOR DIFFUSION;293 K;sodium citrate, cacodylate, NaCl Resolution not provided

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 1–156; UniProt 42–197 Author chain B; PDBConstruct 1–156; 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 9mbe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9mbe
Deposition date deposition_date2025-03-17
最后修订 last_revision2025-07-30
Structure title titleNeutron crystal structure of human MTH1(G2K/C87A/C104S mutant) in complex with 8-oxo-dGTP
Keywords keywordsOxidized purine nucleoside triphosphate hydrolase, HYDROLASE; HYDROLASE

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

Radius of gyration Rg (Guinier) rg_guinier22.32
Radius of gyration Rg (electron density) rg_electron21.54
Forward intensity I(0) i023174200.00
Molecular weight molecular_weight36617.0 kDa
Excluded volume excluded_volume45714 ų
Envelope volume envelope_volume54564 ų
Hydration-shell volume shell_volume21767 ų
Envelope diameter envelope_diameter72.6
Shell Rg shell_rg27.50
Envelope Rg envelope_rg21.52
Shape Rg shape_rg21.54
Total Rg total_rg22.32
Total atoms total_atoms5040
Residues n_residues312
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 dmax72.5
Rg (real space) rg_real22.35
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real2.3170e+07
I(0) uncertainty (real space) i0_real_error3.4350e+05
Rg (reciprocal space) rg_reciprocal22.34
I(0) (reciprocal space) i0_reciprocal23170000.0000
Solution quality estimate total_estimate0.8887
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.2
Skewness Skewness skewness0.409
Kurtosis Kurtosis kurtosis-0.337
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7849000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)