3tzi

X-ray crystal structure of arachidonic acid bound in the cyclooxygenase channel of G533V murine COX-2

Method: X-RAY DIFFRACTION Dmax: 100.5 Å Quality: EXCELLENT

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 4 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 19–604 Chain B; UniProt 19–604 Fragment:UNP RESIDUES 19-604 Mutation:N580A, G533V 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ACD ARACHIDONIC ACID × 2 COH PROTOPORPHYRIN IX CONTAINING CO × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 BOG octyl beta-D-glucopyranoside × 1 EDO 1,2-ETHANEDIOL × 8 AKR ACRYLIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;296 K;23-34% Polyacrylic acid 5100, 100mM HEPES pH 7.5, 20mM MgCl2, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.15 Å R-free 0.210

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 70 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 2–593; UniProt 19–604 Author chain B; PDBConstruct 2–593; UniProt 19–604

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 3tzi

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3tzi
Deposition date deposition_date2011-09-27
Structure title titleX-ray crystal structure of arachidonic acid bound in the cyclooxygenase channel of G533V murine COX-2
Keywords keywordsOxidoreductase, N-glycosylation, Monotopic Membrane Protein; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.16
Radius of gyration Rg (electron density) rg_electron31.25
Forward intensity I(0) i0250408000.00
Molecular weight molecular_weight130590.0 kDa
Excluded volume excluded_volume164610 ų
Envelope volume envelope_volume195970 ų
Hydration-shell volume shell_volume50126 ų
Envelope diameter envelope_diameter104.4
Shell Rg shell_rg40.10
Envelope Rg envelope_rg31.19
Shape Rg shape_rg31.22
Total Rg total_rg32.04
Total atoms total_atoms9212
Residues n_residues1101
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 dmax100.5
Rg (real space) rg_real32.00
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real2.5040e+08
I(0) uncertainty (real space) i0_real_error3.4790e+06
Rg (reciprocal space) rg_reciprocal32.07
I(0) (reciprocal space) i0_reciprocal250400000.0000
Solution quality estimate total_estimate0.9014
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.0
Skewness Skewness skewness0.204
Kurtosis Kurtosis kurtosis-0.484
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha65910000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.926; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.946

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id3tziA01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3tziA02
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_id3tziB01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id3tziB02
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)