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- PDB-1df1: MURINE INOSOXY DIMER WITH ISOTHIOUREA BOUND IN THE ACTIVE SITE -

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Basic information

Entry
Database: PDB / ID: 1df1
TitleMURINE INOSOXY DIMER WITH ISOTHIOUREA BOUND IN THE ACTIVE SITE
ComponentsNITRIC OXIDE SYNTHASE
KeywordsOXIDOREDUCTASE / NITRIC OXIDE L-ARGININE MONOOXYGENASE / NOS / HEME / ISOTHIOUREA / INOS
Function / homology
Function and homology information


Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / peptidyl-cysteine S-nitrosylation / Peroxisomal protein import / prostaglandin secretion / tetrahydrobiopterin binding / arginine binding / superoxide metabolic process / regulation of cytokine production involved in inflammatory response / cortical cytoskeleton ...Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / peptidyl-cysteine S-nitrosylation / Peroxisomal protein import / prostaglandin secretion / tetrahydrobiopterin binding / arginine binding / superoxide metabolic process / regulation of cytokine production involved in inflammatory response / cortical cytoskeleton / cellular response to cytokine stimulus / Fc-gamma receptor signaling pathway involved in phagocytosis / nitric-oxide synthase (NADPH) / nitric-oxide synthase activity / L-arginine catabolic process / nitric oxide biosynthetic process / regulation of insulin secretion / positive regulation of interleukin-8 production / response to bacterium / circadian rhythm / negative regulation of protein catabolic process / cellular response to type II interferon / positive regulation of interleukin-6 production / cellular response to xenobiotic stimulus / peroxisome / FMN binding / flavin adenine dinucleotide binding / NADP binding / regulation of cell population proliferation / cellular response to lipopolysaccharide / response to lipopolysaccharide / calmodulin binding / response to hypoxia / defense response to bacterium / inflammatory response / negative regulation of gene expression / heme binding / perinuclear region of cytoplasm / protein homodimerization activity / metal ion binding / cytoplasm / cytosol
Similarity search - Function
Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric Oxide Synthase; Chain A, domain 3 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric-oxide synthase, eukaryote / Nitric oxide synthase, N-terminal / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, domain 2 superfamily ...Bovine Endothelial Nitric Oxide Synthase Heme Domain; Chain: A,domain 3 / Nitric Oxide Synthase; Chain A, domain 3 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase; Chain A, domain 1 / Nitric Oxide Synthase;Heme Domain; Chain A, domain 2 / Nitric Oxide Synthase;Heme Domain;Chain A domain 2 / Nitric-oxide synthase, eukaryote / Nitric oxide synthase, N-terminal / Nitric oxide synthase, N-terminal domain superfamily / Nitric oxide synthase, domain 2 superfamily / Nitric oxide synthase, domain 1 superfamily / Nitric oxide synthase, domain 3 superfamily / : / Nitric oxide synthase, oxygenase domain / Nitric oxide synthase (NOS) signature. / Sulfite reductase [NADPH] flavoprotein alpha-component-like, FAD-binding / NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain superfamily / FAD binding domain / Flavodoxin-like / Flavoprotein pyridine nucleotide cytochrome reductase / Flavodoxin / Flavodoxin-like domain profile. / Flavodoxin/nitric oxide synthase / Oxidoreductase FAD/NAD(P)-binding / Oxidoreductase NAD-binding domain / FAD-binding domain, ferredoxin reductase-type / Ferredoxin-NADP reductase (FNR), nucleotide-binding domain / Ferredoxin reductase-type FAD binding domain profile. / Riboflavin synthase-like beta-barrel / Flavoprotein-like superfamily / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
5,6,7,8-TETRAHYDROBIOPTERIN / PROTOPORPHYRIN IX CONTAINING FE / ETHYLISOTHIOUREA / Nitric oxide synthase, inducible
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2.35 Å
AuthorsCrane, B.R. / Rosenfeld, R.J. / Arvai, A.S. / Ghosh, D.K. / Ghosh, S. / Tainer, J.A. / Stuehr, D.J. / Getzoff, E.D.
Citation
Journal: EMBO J. / Year: 1999
Title: N-terminal domain swapping and metal ion binding in nitric oxide synthase dimerization.
Authors: Crane, B.R. / Rosenfeld, R.J. / Arvai, A.S. / Ghosh, D.K. / Ghosh, S. / Tainer, J.A. / Stuehr, D.J. / Getzoff, E.D.
#1: Journal: Science / Year: 1998
Title: Structure of Nitric Oxide Synthase Oxygenase Dimer with Pterin and Substrate
Authors: Crane, B.R. / Arvai, A.S. / Ghosh, D.K. / Wu, C. / Getzoff, E.D. / Stuehr, D.J. / Tainer, J.A.
History
DepositionNov 16, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 8, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Jan 31, 2018Group: Experimental preparation / Category: exptl_crystal_grow / Item: _exptl_crystal_grow.temp
Revision 2.0Feb 7, 2024Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations
Category: atom_site / chem_comp_atom ...atom_site / chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _atom_site.occupancy / _database_2.pdbx_DOI ..._atom_site.occupancy / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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.ptnr1_symmetry / _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 / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: NITRIC OXIDE SYNTHASE
B: NITRIC OXIDE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,05210
Polymers97,9972
Non-polymers2,0558
Water3,927218
1
A: NITRIC OXIDE SYNTHASE
hetero molecules

A: NITRIC OXIDE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,05210
Polymers97,9972
Non-polymers2,0558
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation11_655-x+y+1,y,-z+1/21
Buried area10310 Å2
ΔGint-199 kcal/mol
Surface area34230 Å2
MethodPISA, PQS
2
B: NITRIC OXIDE SYNTHASE
hetero molecules

B: NITRIC OXIDE SYNTHASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,05210
Polymers97,9972
Non-polymers2,0558
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation9_766-x+2,-x+y+1,-z+5/31
Buried area9970 Å2
ΔGint-132 kcal/mol
Surface area33470 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)214.464, 214.464, 112.752
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122
Components on special symmetry positions
IDModelComponents
11A-900-

ZN

21B-900-

ZN

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein NITRIC OXIDE SYNTHASE / NOS


Mass: 48998.691 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell: MACROPHAGE / Production host: Escherichia coli (E. coli) / References: UniProt: P29477, nitric-oxide synthase (NADPH)

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Non-polymers , 5 types, 226 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Chemical ChemComp-H4B / 5,6,7,8-TETRAHYDROBIOPTERIN


Mass: 241.247 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C9H15N5O3
#5: Chemical ChemComp-ITU / ETHYLISOTHIOUREA


Mass: 104.174 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8N2S
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 218 / Source method: isolated from a natural source / Formula: H2O

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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: 3.82 Å3/Da / Density % sol: 67.78 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 5.3
Details: LI2SO4, BOG, MES, pH 5.3, VAPOR DIFFUSION, HANGING DROP
Crystal
*PLUS
Density % sol: 70 %
Crystal grow
*PLUS
pH: 7.6 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
117 mg/mlprotein1drop
240 mMHepps1drop
310 %glycerol1drop
41 mMdithiothreitol1drop
52-4 mMH4B1drop
650 mMbeta-octyl-glucoside1reservoir
718-21 %1reservoiror ammonium sulfateLi2SO4
84 mMS-ethyl-thiourea1reservoiror 4mM Fe(II)Cl2

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Data collection

DiffractionMean temperature: 200 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL7-1 / Wavelength: 1
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Mar 12, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.35→20 Å / Num. all: 255531 / Num. obs: 255531 / % possible obs: 98.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4 % / Biso Wilson estimate: 47.391 Å2 / Rmerge(I) obs: 0.056 / Net I/σ(I): 22.6
Reflection shellResolution: 2.35→2.43 Å / Redundancy: 4 % / Rmerge(I) obs: 0.321 / % possible all: 93.9
Reflection
*PLUS
Num. obs: 62443 / Num. measured all: 25531
Reflection shell
*PLUS
% possible obs: 93.9 % / Num. unique obs: 5859 / Num. measured obs: 23654

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Processing

Software
NameVersionClassification
X-PLORmodel building
X-PLOR3.851refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing
RefinementResolution: 2.35→20 Å / σ(F): 0 / σ(I): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.298 12777 -RANDOM
Rwork0.223 ---
all0.223 255531 --
obs0.298 255531 98.2 %-
Refinement stepCycle: LAST / Resolution: 2.35→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6846 0 134 218 7198
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d1.013
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.7
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Num. reflection obs: 62443
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 47.8 Å2
LS refinement shell
*PLUS
Rfactor Rfree: 0.439 / Rfactor Rwork: 0.409 / Num. reflection obs: 5859

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