6ofy

Crystal Structure of Arachidonic Acid bound to V349I murine COX-2

Method: X-RAY DIFFRACTION Dmax: 100.1 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 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 20–568 Chain B; UniProt 20–568 Mutation:V350I NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 COH PROTOPORPHYRIN IX CONTAINING CO × 2 BOG octyl beta-D-glucopyranoside × 1 AKR ACRYLIC ACID × 1 ACD ARACHIDONIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;296.15 K;Polyacrylic Acid 5100 HEPES, pH 7.5 magnesium chloride Resolution 2.20 Å R-free 0.205

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 4–552; UniProt 20–568 Author chain B; PDBConstruct 4–552; UniProt 20–568

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 6ofy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6ofy
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6ofy
Deposition date deposition_date2019-04-01
Structure title titleCrystal Structure of Arachidonic Acid bound to V349I murine COX-2
Keywords keywordsArachidonic Acid Cyclooxygenase Prostaglandin Endoperoxide Synthase, MEMBRANE PROTEIN, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.29
Radius of gyration Rg (electron density) rg_electron31.41
Forward intensity I(0) i0239875000.00
Molecular weight molecular_weight127440.0 kDa
Excluded volume excluded_volume160500 ų
Envelope volume envelope_volume193970 ų
Hydration-shell volume shell_volume49634 ų
Envelope diameter envelope_diameter103.2
Shell Rg shell_rg40.09
Envelope Rg envelope_rg31.22
Shape Rg shape_rg31.38
Total Rg total_rg32.18
Total atoms total_atoms8996
Residues n_residues1103
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 dmax100.1
Rg (real space) rg_real32.13
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real2.3990e+08
I(0) uncertainty (real space) i0_real_error3.3430e+06
Rg (reciprocal space) rg_reciprocal32.20
I(0) (reciprocal space) i0_reciprocal239900000.0000
Solution quality estimate total_estimate0.9020
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary38.8
Skewness Skewness skewness0.201
Kurtosis Kurtosis kurtosis-0.495
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha61930000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.936; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.924

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id6ofyA01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6ofyA02
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_id6ofyB01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6ofyB02
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)