8k7i

Crystal structure of human lysosomal alpha-galactosidase A in complex with (2R,3S,4R,5R)-2-(hydroxymethyl)-5-((methylamino)methyl)pyrrolidine-3,4-diol

Method: X-RAY DIFFRACTION Dmax: 99.7 Å Quality: GOOD

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

Alpha-galactosidase A

Homo sapiens

UniProt P06280

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 2 其他Polymer 4 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 32–429 Chain B; UniProt 32–429 Not recorded ;alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 VN0 (2~{R},3~{S},4~{R},5~{R})-2-(hydroxymethyl)-5-(methylaminomethyl)pyrrolidine-3,4-diol × 2 SO4 SULFATE ION × 5 P6G HEXAETHYLENE GLYCOL × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.2;293 K;100 mM Tris-HCl buffer 7.2, 25% PEG4000 and 200 mM ammonium sulfate Resolution 2.12 Å R-free 0.195

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.

30 other PDB entries and 30 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AGAL_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–398; UniProt 32–429 Author chain B; PDBConstruct 1–398; UniProt 32–429

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 8k7i

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8k7i
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8k7i
Deposition date deposition_date2023-07-26
Structure title titleCrystal structure of human lysosomal alpha-galactosidase A in complex with (2R,3S,4R,5R)-2-(hydroxymethyl)-5-((methylamino)methyl)pyrrolidine-3,4-diol
Keywords keywordsalpha-galactosidase, glycosidase, iminosugar, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.91
Radius of gyration Rg (electron density) rg_electron30.06
Forward intensity I(0) i0141313000.00
Molecular weight molecular_weight92953.0 kDa
Excluded volume excluded_volume115350 ų
Envelope volume envelope_volume136220 ų
Hydration-shell volume shell_volume37441 ų
Envelope diameter envelope_diameter106.1
Shell Rg shell_rg37.47
Envelope Rg envelope_rg30.18
Shape Rg shape_rg30.05
Total Rg total_rg30.70
Total atoms total_atoms6519
Residues n_residues782
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 dmax99.7
Rg (real space) rg_real30.92
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real1.4130e+08
I(0) uncertainty (real space) i0_real_error1.9710e+06
Rg (reciprocal space) rg_reciprocal30.92
I(0) (reciprocal space) i0_reciprocal141300000.0000
Solution quality estimate total_estimate0.8963
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary97.8
Skewness Skewness skewness0.305
Kurtosis Kurtosis kurtosis-0.538
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha33890000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.969; Smooth: 0.929

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

8. Citations (1)

9. Files and Curves (10)