7dfk

Crystal structure of xylitol-bound glucose isomerase by serial millisecond crystallography

Method: X-RAY DIFFRACTION Dmax: 86.0 Å Quality: GOOD

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

Xylose isomerase

OrganismNot specified

UniProt P24300

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 1–388 Not recorded MG MAGNESIUM ION × 4 XYL Xylitol × 4 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH MODE;pH 7;293.5 K;Tris-HCl, Ammonium sulfate, Magnesium sulfate Resolution 1.40 Å R-free 0.251

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.

139 other PDB entries and 143 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name XYLA_STRRU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–388; UniProt 1–388

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 7dfk

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7dfk
Deposition date deposition_date2020-11-08
Structure title titleCrystal structure of xylitol-bound glucose isomerase by serial millisecond crystallography
Keywords keywords;glucose isomerase, xylose isomerase, serial crystallography, serial millisecond crystallography, room temperature, xylitol, ISOMERASE ;; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.64
Radius of gyration Rg (electron density) rg_electron23.51
Forward intensity I(0) i033446700.00
Molecular weight molecular_weight43065.0 kDa
Excluded volume excluded_volume53313 ų
Envelope volume envelope_volume69454 ų
Hydration-shell volume shell_volume25221 ų
Envelope diameter envelope_diameter88.2
Shell Rg shell_rg29.75
Envelope Rg envelope_rg24.37
Shape Rg shape_rg23.50
Total Rg total_rg24.31
Total atoms total_atoms5960
Residues n_residues385
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 dmax86.0
Rg (real space) rg_real24.74
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real3.3450e+07
I(0) uncertainty (real space) i0_real_error4.8570e+05
Rg (reciprocal space) rg_reciprocal24.72
I(0) (reciprocal space) i0_reciprocal33450000.0000
Solution quality estimate total_estimate0.7652
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.9
Skewness Skewness skewness0.501
Kurtosis Kurtosis kurtosis-0.093
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5984000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.688; Stabil: 0.994; Sysdev: 1.000; Positv: 1.000; Valcen: 0.896; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)