3pe4

Structure of human O-GlcNAc transferase and its complex with a peptide substrate

Method: X-RAY DIFFRACTION Dmax: 118.0 Å Quality: GOOD

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

UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit

Homo sapiens

UniProt O15294

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 323–1041 Fragment:hOGT4.5, UNP residues 323-1041 Casein kinase II subunit alpha × 1 (P68400) UDP URIDINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 323–1041 Fragment:hOGT4.5, UNP residues 323-1041 Casein kinase II subunit alpha × 1 (P68400) UDP URIDINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
3 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 323–1041 Fragment:hOGT4.5, UNP residues 323-1041 Casein kinase II subunit alpha × 2 (P68400) UDP URIDINE-5'-DIPHOSPHATE × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
4 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 323–1041 Fragment:hOGT4.5, UNP residues 323-1041 Casein kinase II subunit alpha × 2 (P68400) UDP URIDINE-5'-DIPHOSPHATE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252

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.

43 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name OGT1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–723; UniProt 323–1041 Author chain C; PDBConstruct 5–723; UniProt 323–1041

Casein kinase II subunit alpha

OrganismNot specified

UniProt P68400

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 340–352 Fragment:UNP residues 340-352 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit × 1 (O15294) UDP URIDINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 340–352 Fragment:UNP residues 340-352 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit × 1 (O15294) UDP URIDINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
3 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 340–352 Fragment:UNP residues 340-352 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit × 2 (O15294) UDP URIDINE-5'-DIPHOSPHATE × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252
4 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain D; UniProt 340–352 Fragment:UNP residues 340-352 UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit × 2 (O15294) UDP URIDINE-5'-DIPHOSPHATE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;1.6M Lithium Sulfate, 0.1M Bis Tris Propane pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.95 Å R-free 0.252

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.

313 other PDB entries and 445 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CSK21_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–14; UniProt 340–352 Author chain D; PDBConstruct 2–14; UniProt 340–352

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 3pe4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3pe4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3pe4
Deposition date deposition_date2010-10-25
Structure title titleStructure of human O-GlcNAc transferase and its complex with a peptide substrate
Keywords keywordsGT-B, glycosyltransferase, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.63
Radius of gyration Rg (electron density) rg_electron37.29
Forward intensity I(0) i0380870000.00
Molecular weight molecular_weight157920.0 kDa
Excluded volume excluded_volume197310 ų
Envelope volume envelope_volume251020 ų
Hydration-shell volume shell_volume54824 ų
Envelope diameter envelope_diameter122.3
Shell Rg shell_rg44.23
Envelope Rg envelope_rg37.13
Shape Rg shape_rg37.30
Total Rg total_rg37.64
Total atoms total_atoms11080
Residues n_residues1397
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 dmax118.0
Rg (real space) rg_real37.58
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real3.8090e+08
I(0) uncertainty (real space) i0_real_error6.2000e+06
Rg (reciprocal space) rg_reciprocal37.61
I(0) (reciprocal space) i0_reciprocal380900000.0000
Solution quality estimate total_estimate0.8362
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary42.1
Skewness Skewness skewness0.244
Kurtosis Kurtosis kurtosis-0.622
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha97180000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 10 domains

CATH v4.4 (10 domains)

Domain ID domain_id3pe4A01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily10 — Tetratricopeptide repeat domain
Domain ID domain_id3pe4A02
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily10 — Tetratricopeptide repeat domain
Domain ID domain_id3pe4A03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11380
Domain ID domain_id3pe4A04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology720 — Signal recognition particle alu RNA binding heterodimer, srp9/1
Homologous superfamily homologous superfamily150
Domain ID domain_id3pe4A05
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily2000 — Glycogen Phosphorylase B;
Domain ID domain_id3pe4C01
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily10 — Tetratricopeptide repeat domain
Domain ID domain_id3pe4C02
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily10 — Tetratricopeptide repeat domain
Domain ID domain_id3pe4C03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily11380
Domain ID domain_id3pe4C04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology720 — Signal recognition particle alu RNA binding heterodimer, srp9/1
Homologous superfamily homologous superfamily150
Domain ID domain_id3pe4C05
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily2000 — Glycogen Phosphorylase B;

8. Citations (1)

9. Files and Curves (10)