6v3r

Crystal structure of murine cycloxygenase in complex with a harmaline analog, 4,9-dihydro-3H-pyrido[3,4-b]indole

Method: X-RAY DIFFRACTION Dmax: 178.7 Å Quality: REASONABLE

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 × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 BOG octyl beta-D-glucopyranoside × 1 Y8A 9-[(4-chlorophenyl)methyl]-6-methoxy-1-methyl-4,9-dihydro-3H-beta-carboline × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;291 K;mCOX-2 protein reconstituted with a 2-fold molar excess of heme in phosphtate buffer, pH 6.7, 100 mM NaCl, 1.2% (w/v) -OG, and 0.1% NaN3, and 10-fold molar excess of inhibitors from 25 mM DMSO stocks were added to protein samples. Mixing 3 uL of the protein-inhibitor complex with 3 uL crystallization solution containing 50 mM EPPS, pH 8.0, 120 mM MgCl2, 22-26% PEG MME-550 against reservoir solutions comprised of 50 mM EPPS pH 8.0, 120 mM MgCl2, 22-26% PEG MME-550, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.66 Å R-free 0.264
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 × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 BOG octyl beta-D-glucopyranoside × 1 Y8A 9-[(4-chlorophenyl)methyl]-6-methoxy-1-methyl-4,9-dihydro-3H-beta-carboline × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;291 K;mCOX-2 protein reconstituted with a 2-fold molar excess of heme in phosphtate buffer, pH 6.7, 100 mM NaCl, 1.2% (w/v) -OG, and 0.1% NaN3, and 10-fold molar excess of inhibitors from 25 mM DMSO stocks were added to protein samples. Mixing 3 uL of the protein-inhibitor complex with 3 uL crystallization solution containing 50 mM EPPS, pH 8.0, 120 mM MgCl2, 22-26% PEG MME-550 against reservoir solutions comprised of 50 mM EPPS pH 8.0, 120 mM MgCl2, 22-26% PEG MME-550, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.66 Å R-free 0.264

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 6v3r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6v3r
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6v3r
Deposition date deposition_date2019-11-26
Structure title titleCrystal structure of murine cycloxygenase in complex with a harmaline analog, 4,9-dihydro-3H-pyrido[3,4-b]indole
Keywords keywords;Prostaglandin G/H synthase 2, CYCLOOXYGENASE-2, OXIDOREDUCTASE, INHIBITOR COMPLEX, MEMBRANE PROTEIN, OXIDOREDUCTASE-INHIBITOR complex ;; OXIDOREDUCTASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier55.08
Radius of gyration Rg (electron density) rg_electron55.88
Forward intensity I(0) i0916219000.00
Molecular weight molecular_weight260780.0 kDa
Excluded volume excluded_volume328900 ų
Envelope volume envelope_volume426270 ų
Hydration-shell volume shell_volume67001 ų
Envelope diameter envelope_diameter192.4
Shell Rg shell_rg52.45
Envelope Rg envelope_rg55.42
Shape Rg shape_rg55.85
Total Rg total_rg55.85
Total atoms total_atoms18392
Residues n_residues2200
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 dmax178.7
Rg (real space) rg_real55.73
Rg uncertainty (real space) rg_real_error2.17
I(0) (real space) i0_real9.1620e+08
I(0) uncertainty (real space) i0_real_error1.9860e+07
Rg (reciprocal space) rg_reciprocal54.51
I(0) (reciprocal space) i0_reciprocal914600000.0000
Solution quality estimate total_estimate0.7297
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary43.1
Skewness Skewness skewness0.535
Kurtosis Kurtosis kurtosis-0.616
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha102000000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.570; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.746; Smooth: 0.027

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_id6v3rA01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6v3rA02
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_id6v3rB01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6v3rB02
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_id6v3rC01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6v3rC02
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_id6v3rD01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily10 — Laminin
Domain ID domain_id6v3rD02
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)