3ln0

Structure of compound 5c-S bound at the active site of COX-2

Method: X-RAY DIFFRACTION Dmax: 150.7 Å Quality: GOOD

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

Prostaglandin G/H synthase 2

Mus musculus

UniProt Q05769

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 18–604 Chain B; UniProt 18–604 Not recorded ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 52B (2S)-6,8-dichloro-2-(trifluoromethyl)-2H-chromene-3-carboxylic acid × 2 BOG octyl beta-D-glucopyranoside × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;VAPOR DIFFUSION, HANGING DROP Resolution 2.20 Å R-free 0.238
2 Other combination Homooligomer Protein × 2 其他Polymer 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 18–604 Chain D; UniProt 18–604 Not recorded ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 52B (2S)-6,8-dichloro-2-(trifluoromethyl)-2H-chromene-3-carboxylic acid × 2 BOG octyl beta-D-glucopyranoside × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;VAPOR DIFFUSION, HANGING DROP Resolution 2.20 Å R-free 0.238

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.

47 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PGH2_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–587; UniProt 18–604 Author chain B; PDBConstruct 1–587; UniProt 18–604 Author chain C; PDBConstruct 1–587; UniProt 18–604 Author chain D; PDBConstruct 1–587; UniProt 18–604

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 3ln0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ln0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ln0
Deposition date deposition_date2010-02-01
Structure title titleStructure of compound 5c-S bound at the active site of COX-2
Keywords keywords;COX2, COX-2, PGH2S-2, cyclooxygenase-2, Dioxygenase, Disulfide bond, Endoplasmic reticulum, Fatty acid biosynthesis, Glycoprotein, Heme, Iron, Lipid synthesis, Membrane, Metal-binding, Microsome, Oxidoreductase, Peroxidase, Phosphoprotein, Prostaglandin biosynthesis ;; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier45.38
Radius of gyration Rg (electron density) rg_electron45.14
Forward intensity I(0) i0946050000.00
Molecular weight molecular_weight262010.0 kDa
Excluded volume excluded_volume329900 ų
Envelope volume envelope_volume423310 ų
Hydration-shell volume shell_volume76515 ų
Envelope diameter envelope_diameter152.1
Shell Rg shell_rg51.54
Envelope Rg envelope_rg44.11
Shape Rg shape_rg45.12
Total Rg total_rg45.47
Total atoms total_atoms18464
Residues n_residues2208
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 dmax150.7
Rg (real space) rg_real45.35
Rg uncertainty (real space) rg_real_error1.28
I(0) (real space) i0_real9.4600e+08
I(0) uncertainty (real space) i0_real_error1.8140e+07
Rg (reciprocal space) rg_reciprocal45.38
I(0) (reciprocal space) i0_reciprocal946100000.0000
Solution quality estimate total_estimate0.8904
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.4
Skewness Skewness skewness0.258
Kurtosis Kurtosis kurtosis-0.592
Angular range angular_range— – 0.1750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha197000000.0000
Real-space data points n_real_points36
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.899; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.893

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id3ln0A01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3ln0A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type
Domain ID domain_id3ln0B01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3ln0B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type
Domain ID domain_id3ln0C01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3ln0C02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type
Domain ID domain_id3ln0D01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3ln0D02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type

8. Citations (1)

9. Files and Curves (10)