8a4n

Structure of Human Aldose Reductase Mutant L300G with a Citrate Molecule Bound in the Anion Binding Pocket

Method: X-RAY DIFFRACTION Dmax: 60.3 Å Quality: EXCELLENT

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

Aldo-keto reductase family 1 member B1

Homo sapiens

UniProt P15121

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 1–316 Mutation:L300G NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 CIT CITRIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;291 K;50 mM Di-Ammoniumhydrogen citrate pH 5 15 mg/mL hAR; 5.2 mg/mL DTT, 0.7 mg/mL NADP+, 5% (w/v) PEG6000 Reservoir: 120 mM Di-Ammoniumhydrogen citrate pH 5, 20% (w/v) PEG 6000 Resolution 0.93 Å R-free 0.115

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.

169 other PDB entries and 173 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ALDR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–316; UniProt 1–316

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 8a4n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8a4n
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8a4n
Deposition date deposition_date2022-06-13
Structure title titleStructure of Human Aldose Reductase Mutant L300G with a Citrate Molecule Bound in the Anion Binding Pocket
Keywords keywordshuman Aldose Reductase, hAR, Aldo-keto-reductase, L300G mutant, citrate, nadp+, diabetes, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.74
Radius of gyration Rg (electron density) rg_electron18.61
Forward intensity I(0) i021943300.00
Molecular weight molecular_weight36364.0 kDa
Excluded volume excluded_volume45738 ų
Envelope volume envelope_volume50084 ų
Hydration-shell volume shell_volume21764 ų
Envelope diameter envelope_diameter62.8
Shell Rg shell_rg25.72
Envelope Rg envelope_rg18.96
Shape Rg shape_rg18.61
Total Rg total_rg19.55
Total atoms total_atoms5063
Residues n_residues316
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 dmax60.3
Rg (real space) rg_real19.59
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real2.1940e+07
I(0) uncertainty (real space) i0_real_error2.6520e+05
Rg (reciprocal space) rg_reciprocal19.61
I(0) (reciprocal space) i0_reciprocal21940000.0000
Solution quality estimate total_estimate0.9040
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary58.6
Skewness Skewness skewness0.136
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6239000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)