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- PDB-1pxx: CRYSTAL STRUCTURE OF DICLOFENAC BOUND TO THE CYCLOOXYGENASE ACTIV... -

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Basic information

Entry
Database: PDB / ID: 1pxx
TitleCRYSTAL STRUCTURE OF DICLOFENAC BOUND TO THE CYCLOOXYGENASE ACTIVE SITE OF COX-2
ComponentsProstaglandin G/H synthase 2
KeywordsOXIDOREDUCTASE / COX-2 / CYCLOOXYGENASE / PROSTAGLANDIN / DICLOFENAC / ENDOPEROXIDE
Function / homology
Function and homology information


Biosynthesis of DHA-derived SPMs / Biosynthesis of EPA-derived SPMs / Biosynthesis of DPAn-3 SPMs / Biosynthesis of electrophilic ω-3 PUFA oxo-derivatives / Synthesis of 15-eicosatetraenoic acid derivatives / cellular response to non-ionic osmotic stress / : / Synthesis of Prostaglandins (PG) and Thromboxanes (TX) / prostaglandin-endoperoxide synthase / prostaglandin-endoperoxide synthase activity ...Biosynthesis of DHA-derived SPMs / Biosynthesis of EPA-derived SPMs / Biosynthesis of DPAn-3 SPMs / Biosynthesis of electrophilic ω-3 PUFA oxo-derivatives / Synthesis of 15-eicosatetraenoic acid derivatives / cellular response to non-ionic osmotic stress / : / Synthesis of Prostaglandins (PG) and Thromboxanes (TX) / prostaglandin-endoperoxide synthase / prostaglandin-endoperoxide synthase activity / cyclooxygenase pathway / negative regulation of intrinsic apoptotic signaling pathway in response to osmotic stress / positive regulation of prostaglandin biosynthetic process / regulation of neuroinflammatory response / response to selenium ion / positive regulation of fever generation / prostaglandin secretion / cellular response to fluid shear stress / response to nematode / nuclear inner membrane / prostaglandin biosynthetic process / dioxygenase activity / bone mineralization / nuclear outer membrane / decidualization / brown fat cell differentiation / keratinocyte differentiation / positive regulation of brown fat cell differentiation / embryo implantation / peroxidase activity / regulation of blood pressure / regulation of cell population proliferation / cellular response to hypoxia / response to oxidative stress / neuron projection / heme binding / endoplasmic reticulum membrane / negative regulation of apoptotic process / enzyme binding / protein homodimerization activity / metal ion binding / cytosol / cytoplasm
Similarity search - Function
: / Myeloperoxidase, subunit C / Haem peroxidase domain superfamily, animal type / Haem peroxidase, animal-type / Haem peroxidase domain superfamily, animal type / Animal haem peroxidase / Animal heme peroxidase superfamily profile. / Laminin / Laminin / EGF-like domain ...: / Myeloperoxidase, subunit C / Haem peroxidase domain superfamily, animal type / Haem peroxidase, animal-type / Haem peroxidase domain superfamily, animal type / Animal haem peroxidase / Animal heme peroxidase superfamily profile. / Laminin / Laminin / EGF-like domain / Haem peroxidase superfamily / EGF-like domain profile. / EGF-like domain / Ribbon / Orthogonal Bundle / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
triacetyl-beta-chitotriose / 2-[2,6-DICHLOROPHENYL)AMINO]BENZENEACETIC ACID / PROTOPORPHYRIN IX CONTAINING FE / Prostaglandin G/H synthase 2
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.9 Å
AuthorsKiefer, J.R. / Rowlinson, S.W. / Prusakiewicz, J.J. / Pawlitz, J.L. / Kozak, K.R. / Kalgutkar, A.S. / Stallings, W.C. / Marnett, L.J. / Kurumbail, R.G.
Citation
Journal: J.Biol.Chem. / Year: 2003
Title: A Novel Mechanism of Cyclooxygenase-2 Inhibition Involving Interactions with Ser-530 and Tyr-385.
Authors: Rowlinson, S.W. / Kiefer, J.R. / Prusakiewicz, J.J. / Pawlitz, J.L. / Kozak, K.R. / Kalgutkar, A.S. / Stallings, W.C. / Kurumbail, R.G. / Marnett, L.J.
#1: Journal: Nature / Year: 1996
Title: Structural Basis for Selective Inhibition of cyclooxygenase-2 by Anti-Inflammatory Agents
Authors: Kurumbail, R.G. / Stevens, A.M. / Gierse, J.K. / McDonald, J.J. / Stegeman, R.A. / Pak, J.Y. / Gildehaus, D. / Miyashiro, J.M. / Penning, T.D. / Seibert, K. / Isakson, P.C. / Stallings, W.C.
#2: Journal: Nature / Year: 2000
Title: Structural insights into the stereochemistry of the cyclooxygenase reaction
Authors: Kiefer, J.R. / Pawlitz, J.L. / Moreland, K.T. / Stegeman, R.A. / Hood, W.F. / Gierse, J.K. / Stevens, A.M. / Goodwin, D.C. / Rowlinson, S.W. / Marnett, L.J. / Stallings, W.C. / Kurumbail, R.G.
History
DepositionJul 7, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 9, 2003Provider: repository / Type: Initial release
Revision 1.1Oct 16, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _pdbx_entity_nonpoly.entity_id / _pdbx_entity_nonpoly.name / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 20, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Remark 999SEQUENCE The first 17 residues are not observed in the electron density. The full sequence of the ...SEQUENCE The first 17 residues are not observed in the electron density. The full sequence of the sequence database reference was included in the SEQRES record. The C-terminal ~3KDa of the protein are cleaved off by trypsin. The authors have not determined the final C-terminal amino acid of the resulting protein and do not know the cleavage site.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Prostaglandin G/H synthase 2
B: Prostaglandin G/H synthase 2
C: Prostaglandin G/H synthase 2
D: Prostaglandin G/H synthase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)284,88726
Polymers276,3724
Non-polymers8,51522
Water5,711317
1
A: Prostaglandin G/H synthase 2
B: Prostaglandin G/H synthase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)142,44313
Polymers138,1862
Non-polymers4,25811
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12000 Å2
ΔGint-35 kcal/mol
Surface area42290 Å2
MethodPISA, PQS
2
C: Prostaglandin G/H synthase 2
D: Prostaglandin G/H synthase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)142,44313
Polymers138,1862
Non-polymers4,25811
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12000 Å2
ΔGint-34 kcal/mol
Surface area42290 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)181.145, 135.090, 124.165
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
Prostaglandin G/H synthase 2 / Cyclooxygenase-2 / COX-2 / Prostaglandin-endoperoxide synthase 2 / Prostaglandin H2 synthase 2 / ...Cyclooxygenase-2 / COX-2 / Prostaglandin-endoperoxide synthase 2 / Prostaglandin H2 synthase 2 / PGH synthase 2 / PGHS-2 / PHS II / Glucocorticoid-regulated inflammatory cyclooxygenase / Gripghs / TIS10 protein / Macrophage activation-associated marker protein P71/73 / PES-2


Mass: 69092.914 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: PTGS2 OR COX2 OR COX-2 OR TIS10 OR PGHS-B / Plasmid: PVL1393 / Cell line (production host): SF9 / Production host: Spodoptera frugiperda (fall armyworm)
References: UniProt: Q05769, prostaglandin-endoperoxide synthase

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Sugars , 3 types, 14 molecules

#2: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...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 / triacetyl-beta-chitotriose


Type: oligosaccharide, Oligosaccharide / Class: Inhibitor / Mass: 627.594 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: triacetyl-beta-chitotriose
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,3,2/[a2122h-1b_1-5_2*NCC/3=O]/1-1-1/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}}LINUCSPDB-CARE
#3: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#4: Sugar ChemComp-BOG / octyl beta-D-glucopyranoside / Beta-Octylglucoside / octyl beta-D-glucoside / octyl D-glucoside / octyl glucoside


Type: D-saccharide / Mass: 292.369 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C14H28O6 / Comment: detergent*YM
IdentifierTypeProgram
b-octylglucosideIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0

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Non-polymers , 3 types, 325 molecules

#5: Chemical
ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#6: Chemical
ChemComp-DIF / 2-[2,6-DICHLOROPHENYL)AMINO]BENZENEACETIC ACID / DICLOFENAC


Mass: 296.149 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C14H11Cl2NO2 / Comment: antiinflammatory, medication*YM
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 317 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.75 Å3/Da / Density % sol: 55.22 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 8
Details: Monomethyl PEG 550, Magnesium Chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal grow
*PLUS
Details: Gierse, J.K., (1995) Biochem. J., 305, 479.

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1
DetectorType: ADSC QUANTUM 210 / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.9→20 Å / Num. obs: 67852 / % possible obs: 99.9 % / Observed criterion σ(I): -1 / Redundancy: 5.3 % / Biso Wilson estimate: 38.9 Å2 / Rsym value: 0.161 / Net I/σ(I): 4.7
Reflection shellResolution: 2.9→3 Å / Redundancy: 5.6 % / Mean I/σ(I) obs: 3.7 / Num. unique all: 6699 / Rsym value: 0.381 / % possible all: 100
Reflection
*PLUS
Num. measured all: 362090 / Rmerge(I) obs: 0.161

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Processing

Software
NameVersionClassification
X-PLOR98.1refinement
HKL-2000data reduction
SCALEPACKdata scaling
X-PLORphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS / Resolution: 2.9→20 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.302 5471 9.6 %RANDOM
Rwork0.254 ---
all-62258 --
obs-56787 83.6 %-
Displacement parametersBiso mean: 23.4 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.44 Å0.36 Å
Luzzati d res low-5 Å
Luzzati sigma a0.45 Å0.38 Å
Refinement stepCycle: LAST / Resolution: 2.9→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms17894 0 567 317 18778
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.009
X-RAY DIFFRACTIONx_angle_deg1.4
X-RAY DIFFRACTIONx_dihedral_angle_d25.2
X-RAY DIFFRACTIONx_improper_angle_d0.81
X-RAY DIFFRACTIONx_mcbond_it1.91.5
X-RAY DIFFRACTIONx_mcangle_it3.032
X-RAY DIFFRACTIONx_scbond_it3.062
X-RAY DIFFRACTIONx_scangle_it4.682.5
LS refinement shellResolution: 2.9→3.08 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.35 795 9.6 %
Rwork0.298 7496 -
obs--74.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2PARAM19.SOLTOPH19.SOL
X-RAY DIFFRACTION3PARAM19X_MOD.HEMETOPH19X_MOD.HEME
X-RAY DIFFRACTION4PARAM3_MOD.CHOTOPH3.CHO
X-RAY DIFFRACTION5B-OCTYLGLUCOPYRANOSIDE.PARB-OCTYLGLUCOPYRANOSIDE.TOP
X-RAY DIFFRACTION6PARAM.DICLOFENACTOP.DICLOFENAC
Refinement
*PLUS
Highest resolution: 2.9 Å / Lowest resolution: 20 Å
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.008
X-RAY DIFFRACTIONx_angle_deg1.5
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg25.2
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg0.81

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