5ngr

Crystal structure of human MTH1 in complex with fragment inhibitor 8-(methylsulfanyl)-7H-purin-6-amine

Method: X-RAY DIFFRACTION 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 Fragment:UNP Residues 42-197 8WT 8-methylsulfanyl-7~{H}-purin-6-amine × 1 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;5 mmol/L compound and 6 mmol/L MgCl2 were added to MTH1. Sitting drop vapor diffusion experiments at 293K were performed, and MTH1 (9.34 mg/mL) was mixed with reservoir solution (30% (w/v) PEG6000, 0.1 mol/L Sodium Acetate pH 3.7 and 0.2 mol/L LiSO4 in a 1:1 ratio. Resolution 2.20 Å R-free 0.254
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 42–197 Fragment:UNP Residues 42-197 8WT 8-methylsulfanyl-7~{H}-purin-6-amine × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;5 mmol/L compound and 6 mmol/L MgCl2 were added to MTH1. Sitting drop vapor diffusion experiments at 293K were performed, and MTH1 (9.34 mg/mL) was mixed with reservoir solution (30% (w/v) PEG6000, 0.1 mol/L Sodium Acetate pH 3.7 and 0.2 mol/L LiSO4 in a 1:1 ratio. Resolution 2.20 Å R-free 0.254

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 5ngr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5ngr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5ngr
Deposition date deposition_date2017-03-20
Structure title titleCrystal structure of human MTH1 in complex with fragment inhibitor 8-(methylsulfanyl)-7H-purin-6-amine
Keywords keywordsInhibitor, Fragment, Oxidised nucleotides, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.35
Radius of gyration Rg (electron density) rg_electron23.37
Forward intensity I(0) i023456200.00
Molecular weight molecular_weight36451.0 kDa
Excluded volume excluded_volume45344 ų
Envelope volume envelope_volume54837 ų
Hydration-shell volume shell_volume20563 ų
Envelope diameter envelope_diameter79.7
Shell Rg shell_rg29.02
Envelope Rg envelope_rg23.29
Shape Rg shape_rg23.34
Total Rg total_rg24.20
Total atoms total_atoms2562
Residues n_residues308
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_real24.49
Rg uncertainty (real space) rg_real_error0.57
I(0) (real space) i0_real2.3460e+07
I(0) uncertainty (real space) i0_real_error3.6350e+05
Rg (reciprocal space) rg_reciprocal24.46
I(0) (reciprocal space) i0_reciprocal23460000.0000
Solution quality estimate total_estimate0.8672
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.5
Skewness Skewness skewness0.422
Kurtosis Kurtosis kurtosis-0.574
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6007000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.809; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.884; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5ngra_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.113 — Nudix
Superfamily Superfamily superfamilyd.113.1 — Nudix
Family Family familyd.113.1.1 — MutT-like
Domain ID domain_idd5ngrb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.113 — Nudix
Superfamily Superfamily superfamilyd.113.1 — Nudix
Family Family familyd.113.1.1 — MutT-like

CATH v4.4 (2 domains)

Domain ID domain_id5ngrA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology79 — Nucleoside Triphosphate Pyrophosphohydrolase
Homologous superfamily homologous superfamily10 — Nucleoside Triphosphate Pyrophosphohydrolase
Domain ID domain_id5ngrB00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology79 — Nucleoside Triphosphate Pyrophosphohydrolase
Homologous superfamily homologous superfamily10 — Nucleoside Triphosphate Pyrophosphohydrolase

8. Citations (1)

9. Files and Curves (10)