7lu5

SAMHD1(113-626) H206R D207N R366H

Method: X-RAY DIFFRACTION Dmax: 254.9 Å Quality: GOOD

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

Deoxynucleoside triphosphate triphosphohydrolase SAMHD1

Homo sapiens

UniProt Q9Y3Z3

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 homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 113–626 Chain B; UniProt 113–626 Chain C; UniProt 113–626 Chain D; UniProt 113–626 Mutation:H206R, D207N, R366H DGT 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 8 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 9;293 K;PEG 1500, dGTP, SPG buffer, sodium chloride, magnesium chloride Resolution 3.57 Å R-free 0.274
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 113–626 Chain F; UniProt 113–626 Chain G; UniProt 113–626 Chain H; UniProt 113–626 Mutation:H206R, D207N, R366H DGT 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 8 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 9;293 K;PEG 1500, dGTP, SPG buffer, sodium chloride, magnesium chloride Resolution 3.57 Å R-free 0.274
3 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain I; UniProt 113–626 Chain J; UniProt 113–626 Chain K; UniProt 113–626 Chain L; UniProt 113–626 Mutation:H206R, D207N, R366H DGT 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 8 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 9;293 K;PEG 1500, dGTP, SPG buffer, sodium chloride, magnesium chloride Resolution 3.57 Å R-free 0.274
4 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain M; UniProt 113–626 Chain N; UniProt 113–626 Chain O; UniProt 113–626 Chain P; UniProt 113–626 Mutation:H206R, D207N, R366H DGT 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE × 8 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 9;293 K;PEG 1500, dGTP, SPG buffer, sodium chloride, magnesium chloride Resolution 3.57 Å R-free 0.274

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.

75 other PDB entries and 102 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SAMH1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 22–535; UniProt 113–626 Author chain B; PDBConstruct 22–535; UniProt 113–626 Author chain C; PDBConstruct 22–535; UniProt 113–626 Author chain D; PDBConstruct 22–535; UniProt 113–626 Author chain E; PDBConstruct 22–535; UniProt 113–626 Author chain F; PDBConstruct 22–535; UniProt 113–626 Author chain G; PDBConstruct 22–535; UniProt 113–626 Author chain H; PDBConstruct 22–535; UniProt 113–626 Author chain I; PDBConstruct 22–535; UniProt 113–626 Author chain J; PDBConstruct 22–535; UniProt 113–626 Author chain K; PDBConstruct 22–535; UniProt 113–626 Author chain L; PDBConstruct 22–535; UniProt 113–626 Author chain M; PDBConstruct 22–535; UniProt 113–626 Author chain N; PDBConstruct 22–535; UniProt 113–626 Author chain O; PDBConstruct 22–535; UniProt 113–626 Author chain P; PDBConstruct 22–535; UniProt 113–626

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 7lu5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7lu5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7lu5
Deposition date deposition_date2021-02-20
Structure title titleSAMHD1(113-626) H206R D207N R366H
Keywords keywordsdNTPase, tetramer, mutant, cancer, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier87.92
Radius of gyration Rg (electron density) rg_electron89.71
Forward intensity I(0) i011503800000.00
Molecular weight molecular_weight908680.0 kDa
Excluded volume excluded_volume1135700 ų
Envelope volume envelope_volume1632900 ų
Hydration-shell volume shell_volume165150 ų
Envelope diameter envelope_diameter305.3
Shell Rg shell_rg70.97
Envelope Rg envelope_rg88.59
Shape Rg shape_rg89.70
Total Rg total_rg89.55
Total atoms total_atoms63904
Residues n_residues7696
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 dmax254.9
Rg (real space) rg_real84.48
Rg uncertainty (real space) rg_real_error1.30
I(0) (real space) i0_real1.1110e+10
I(0) uncertainty (real space) i0_real_error2.5280e+08
Rg (reciprocal space) rg_reciprocal82.40
I(0) (reciprocal space) i0_reciprocal11320000000.0000
Solution quality estimate total_estimate0.8853
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary56.6
Skewness Skewness skewness0.501
Kurtosis Kurtosis kurtosis-0.565
Angular range angular_range— – 0.0900 −1
Current regularization parameter α current_alpha1.0060
Highest regularization parameter α highest_alpha440000000.0000
Real-space data points n_real_points19
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.842; Stabil: 0.976; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.078

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)