1iry

Solution structure of the hMTH1, a nucleotide pool sanitization enzyme

Method: SOLUTION NMR Dmax: 50.7 Å Quality: GOOD

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

hMTH1

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 1–156 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.9;303 K;Ionic strength (raw mmCIF value) 70;Pressure ambient NMR sample composition:1.7mM hMTH1 U-15N,13C; 50mM K-phosphate buffer, 20mM KCl, 0.1mM EDTA and 1mM DTT; 95% H2O, 5% D2O | 95% H2O/5% D2O NMR sample composition:1.7mM hMTH1 U-15N,13C; 50mM K-phosphate buffer, 20mM KCl, 0.1mM EDTA and 1mM DTT; 99.8% D2O | 99.8% D2O 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 205 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 1–156

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 1iry

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1iry
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1iry
Deposition date deposition_date2001-10-25
Structure title titleSolution structure of the hMTH1, a nucleotide pool sanitization enzyme
Keywords keywordsnudix motif(G37-L59), HYDROLASE; HYDROLASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.59
Radius of gyration Rg (electron density) rg_electron15.22
Forward intensity I(0) i03815350000.00
Molecular weight molecular_weight538330.0 kDa
Excluded volume excluded_volume676640 ų
Envelope volume envelope_volume38732 ų
Hydration-shell volume shell_volume18479 ų
Envelope diameter envelope_diameter56.6
Shell Rg shell_rg23.79
Envelope Rg envelope_rg17.56
Shape Rg shape_rg15.17
Total Rg total_rg15.48
Total atoms total_atoms75090
Residues n_residues4680
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 dmax50.7
Rg (real space) rg_real15.47
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real3.8150e+09
I(0) uncertainty (real space) i0_real_error4.6120e+07
Rg (reciprocal space) rg_reciprocal15.48
I(0) (reciprocal space) i0_reciprocal3815000000.0000
Solution quality estimate total_estimate0.8744
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary49.4
Skewness Skewness skewness0.031
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha735500.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.790; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1irya_
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 (1 domains)

Domain ID domain_id1iryA00
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)