8p0l

Crystal structure of human O-GlcNAcase in complex with an S-linked CKII peptide

Method: X-RAY DIFFRACTION Dmax: 93.3 Å Quality: GOOD

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

Protein O-GlcNAcase

Homo sapiens

UniProt O60502

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–916 Chain B; UniProt 1–916 Not recorded CYS CYSTEINE × 1 SER SERINE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291.15 K;0.14 - 0.2 M triammonium citrate pH 7.5, 16-20 % PEG 3350 Resolution 2.50 Å R-free 0.271

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.

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

View Construct and Data Evidence
UniProt name OGA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–916; UniProt 1–916 Author chain B; PDBConstruct 1–916; UniProt 1–916

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 8p0l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8p0l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8p0l
Deposition date deposition_date2023-05-10
Structure title titleCrystal structure of human O-GlcNAcase in complex with an S-linked CKII peptide
Keywords keywordsCarbohydrate, S-GlcNAc, GH84, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.64
Radius of gyration Rg (electron density) rg_electron28.71
Forward intensity I(0) i0143019000.00
Molecular weight molecular_weight98652.0 kDa
Excluded volume excluded_volume124670 ų
Envelope volume envelope_volume147400 ų
Hydration-shell volume shell_volume41695 ų
Envelope diameter envelope_diameter94.7
Shell Rg shell_rg37.07
Envelope Rg envelope_rg28.76
Shape Rg shape_rg28.69
Total Rg total_rg29.50
Total atoms total_atoms13735
Residues n_residues896
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 dmax93.3
Rg (real space) rg_real29.54
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real1.4300e+08
I(0) uncertainty (real space) i0_real_error1.8070e+06
Rg (reciprocal space) rg_reciprocal29.58
I(0) (reciprocal space) i0_reciprocal143000000.0000
Solution quality estimate total_estimate0.8975
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.2
Skewness Skewness skewness0.255
Kurtosis Kurtosis kurtosis-0.398
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha32440000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.933

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)