7cjp

Crystal structure of metal-free state of glucose isomerase

Method: X-RAY DIFFRACTION Dmax: 90.7 Å Quality: EXCELLENT

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 Chain B; UniProt 1–388 Not recorded EDO 1,2-ETHANEDIOL × 46 X-RAY DIFFRACTION X-ray crystallization conditions:BATCH MODE;pH 7;298.5 K;Tris-HCl, ammonium sulfate, magnesium sulfate Resolution 1.50 Å R-free 0.166

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 Author chain B; 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 7cjp

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7cjp
Deposition date deposition_date2020-07-12
Structure title titleCrystal structure of metal-free state of glucose isomerase
Keywords keywordsglucose isomerase, metal-free state, ISOMERASE; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.03
Radius of gyration Rg (electron density) rg_electron27.77
Forward intensity I(0) i0129202000.00
Molecular weight molecular_weight87434.0 kDa
Excluded volume excluded_volume108320 ų
Envelope volume envelope_volume128110 ų
Hydration-shell volume shell_volume37517 ų
Envelope diameter envelope_diameter95.0
Shell Rg shell_rg36.15
Envelope Rg envelope_rg27.99
Shape Rg shape_rg27.76
Total Rg total_rg28.58
Total atoms total_atoms12130
Residues n_residues772
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 dmax90.7
Rg (real space) rg_real28.94
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real1.2920e+08
I(0) uncertainty (real space) i0_real_error1.8270e+06
Rg (reciprocal space) rg_reciprocal28.98
I(0) (reciprocal space) i0_reciprocal129200000.0000
Solution quality estimate total_estimate0.9036
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.6
Skewness Skewness skewness0.242
Kurtosis Kurtosis kurtosis-0.473
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha36080000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.937; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.930

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd7cjpa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.15 — Xylose isomerase-like
Family Family familyc.1.15.3 — Xylose isomerase
Domain ID domain_idd7cjpb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.15 — Xylose isomerase-like
Family Family familyc.1.15.3 — Xylose isomerase

8. Citations (1)

9. Files and Curves (10)