4o1z

Crystal Structure of Ovine Cyclooxygenase-1 Complex with Meloxicam

Method: X-RAY DIFFRACTION Dmax: 101.0 Å Quality: EXCELLENT

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

Prostaglandin G/H synthase 1

OrganismNot specified

UniProt P05979

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 32–600 Chain B; UniProt 32–600 Fragment:UNP residues 32-600 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 MXM 4-hydroxy-2-methyl-N-(5-methyl-1,3-thiazol-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;Sodium Citrate, Lithium Chloride, Sodium Azide, beta-octylglucoside, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.40 Å R-free 0.173

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.

20 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PGH1_SHEEP
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–569; UniProt 32–600 Author chain B; PDBConstruct 1–569; UniProt 32–600

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 4o1z

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4o1z
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4o1z
Deposition date deposition_date2013-12-16
Structure title titleCrystal Structure of Ovine Cyclooxygenase-1 Complex with Meloxicam
Keywords keywordsdioxygenase, peroxidase, NSAIDs, glycosylation, Membrane, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR complex; OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.33
Radius of gyration Rg (electron density) rg_electron31.44
Forward intensity I(0) i0252009000.00
Molecular weight molecular_weight131250.0 kDa
Excluded volume excluded_volume165530 ų
Envelope volume envelope_volume196600 ų
Hydration-shell volume shell_volume50089 ų
Envelope diameter envelope_diameter104.5
Shell Rg shell_rg40.17
Envelope Rg envelope_rg31.37
Shape Rg shape_rg31.42
Total Rg total_rg32.18
Total atoms total_atoms9256
Residues n_residues1106
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 dmax101.0
Rg (real space) rg_real32.18
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real2.5200e+08
I(0) uncertainty (real space) i0_real_error3.9460e+06
Rg (reciprocal space) rg_reciprocal32.25
I(0) (reciprocal space) i0_reciprocal252000000.0000
Solution quality estimate total_estimate0.9013
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.2
Skewness Skewness skewness0.219
Kurtosis Kurtosis kurtosis-0.482
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha84160000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.929; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.934

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4o1za1
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.11 — EGF/Laminin
Family Family familyg.3.11.0 — automated matches
Domain ID domain_idd4o1za2
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.2 — Myeloperoxidase-like
Domain ID domain_idd4o1zb1
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.11 — EGF/Laminin
Family Family familyg.3.11.0 — automated matches
Domain ID domain_idd4o1zb2
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.2 — Myeloperoxidase-like

CATH v4.4 (4 domains)

Domain ID domain_id4o1zA01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id4o1zA02
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_id4o1zB01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id4o1zB02
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)