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- PDB-1r35: MURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER, TETRAHYDR... -

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Basic information

Entry
Database: PDB / ID: 1r35
TitleMURINE INDUCIBLE NITRIC OXIDE SYNTHASE OXYGENASE DIMER, TETRAHYDROBIOPTERIN AND 4R-FLUORO-N6-ETHANIMIDOYL-L-LYSINE
ComponentsNitric oxide synthase, inducible
KeywordsOXIDOREDUCTASE / NITRIC OXIDE MONOOXYGENASE / HEME / DIMER / INTERMEDIATE / PTERIN / H4B / TETRAHYDROBIOPTERIN
Function / homology
Function and homology information


Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / G protein-coupled receptor signaling pathway coupled to cGMP nucleotide second messenger / cAMP-dependent protein kinase regulator activity / Peroxisomal protein import / prostaglandin secretion / tetrahydrobiopterin binding / arginine binding / peptidyl-cysteine S-nitrosylation / superoxide metabolic process ...Nitric oxide stimulates guanylate cyclase / ROS and RNS production in phagocytes / G protein-coupled receptor signaling pathway coupled to cGMP nucleotide second messenger / cAMP-dependent protein kinase regulator activity / Peroxisomal protein import / prostaglandin secretion / tetrahydrobiopterin binding / arginine binding / peptidyl-cysteine S-nitrosylation / superoxide metabolic process / blood vessel remodeling / regulation of cytokine production involved in inflammatory response / Fc-gamma receptor signaling pathway involved in phagocytosis / cellular response to cytokine stimulus / regulation of insulin secretion / cortical cytoskeleton / nitric-oxide synthase binding / nitric-oxide synthase (NADPH) / response to tumor necrosis factor / : / nitric-oxide synthase activity / L-arginine catabolic process / response to bacterium / negative regulation of blood pressure / nitric oxide biosynthetic process / response to hormone / positive regulation of interleukin-8 production / cellular response to xenobiotic stimulus / negative regulation of protein catabolic process / circadian rhythm / cellular response to type II interferon / Hsp90 protein binding / positive regulation of interleukin-6 production / beta-catenin binding / regulation of blood pressure / NADP binding / FMN binding / flavin adenine dinucleotide binding / regulation of cell population proliferation / peroxisome / cellular response to lipopolysaccharide / response to lipopolysaccharide / actin binding / response to hypoxia / calmodulin binding / defense response to bacterium / intracellular signal transduction / positive regulation of apoptotic process / inflammatory response / cadherin binding / negative regulation of gene expression / heme binding / protein kinase binding / perinuclear region of cytoplasm / protein homodimerization activity / : / metal ion binding / identical protein binding / nucleus / plasma membrane / cytosol / cytoplasm
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 / 4R-FLUORO-N6-ETHANIMIDOYL-L-LYSINE / Nitric oxide synthase, inducible
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsShieh, H.S. / Stevens, A.M. / Stallings, W.C.
CitationJournal: Org.Biomol.Chem. / Year: 2003
Title: 4-Fluorinated L-lysine analogs as selective i-NOS inhibitors: methodology for introducing fluorine into the lysine side chain.
Authors: Hallinan, E.A. / Kramer, S.W. / Houdek, S.C. / Moore, W.M. / Jerome, G.M. / Spangler, D.P. / Stevens, A.M. / Shieh, H.S. / Manning, P.T. / Pitzele, B.S.
History
DepositionSep 30, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 5, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software / Item: _software.classification / _software.name
Revision 1.4Aug 23, 2023Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_remark / pdbx_initial_refinement_model / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_remark.text / _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_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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Aug 12, 2026Group: Derived calculations / Structure summary
Category: pdbx_entry_details / pdbx_modification_feature ...pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order
Description: Metalloprotein remediation / Provider: repository / Type: Remediation
Remark 999SEQUENCE THE FIRST 11 (66-76) RESIDUES ARE NOT OBSERVED IN THE ELECTRON DENSITY. IN ADDITION, 7 ...SEQUENCE THE FIRST 11 (66-76) RESIDUES ARE NOT OBSERVED IN THE ELECTRON DENSITY. IN ADDITION, 7 RESIDUES, 101-107, ARE DISORDERED AND NOT SHOWN IN THE ELECTRON DENSITIES. THEY ARE MISSING IN THE STRUCTURE.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Nitric oxide synthase, inducible
B: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,4649
Polymers100,2422
Non-polymers2,2227
Water7,098394
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Nitric oxide synthase, inducible
hetero molecules

A: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,56010
Polymers100,2422
Non-polymers2,3188
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation11_655-x+y+1,y,-z+1/21
Buried area10590 Å2
ΔGint-109 kcal/mol
Surface area32640 Å2
MethodPISA, PQS
3
B: Nitric oxide synthase, inducible
hetero molecules

B: Nitric oxide synthase, inducible
hetero molecules


Theoretical massNumber of molelcules
Total (without water)102,3688
Polymers100,2422
Non-polymers2,1266
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation9_766-x+2,-x+y+1,-z+5/31
Buried area10130 Å2
ΔGint-78 kcal/mol
Surface area32750 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)214.280, 214.280, 117.130
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Nitric oxide synthase, inducible / NOS / type II / Inducible NOS / iNOS / Macrophage NOS / MAC-NOS


Mass: 50120.953 Da / Num. of mol.: 2 / Fragment: OXYGENASE DOMAIN (RESIDUES 66-498)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: NOS2, INOSL / Plasmid: PCWORI / Production host: Escherichia coli (E. coli) / References: UniProt: P29477, nitric-oxide synthase (NADPH)

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Non-polymers , 5 types, 401 molecules

#2: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#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 / Comment: neurotransmitter*YM
#5: Chemical ChemComp-I58 / 4R-FLUORO-N6-ETHANIMIDOYL-L-LYSINE


Type: L-peptide linking / Mass: 205.230 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H16FN3O2
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 394 / 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

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Sample preparation

CrystalDensity Matthews: 3.87 Å3/Da / Density % sol: 68.23 %

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Data collection

DiffractionMean temperature: 125 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-BM / Wavelength: 1 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Mar 9, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.3→40 Å / Num. all: 67757 / Num. obs: 67757 / Redundancy: 11.8 % / Biso Wilson estimate: 45.4 Å2 / Rmerge(I) obs: 0.071
Reflection shellResolution: 2.3→2.38 Å / Rmerge(I) obs: 0.649 / Mean I/σ(I) obs: 2.1 / Num. unique all: 5235 / % possible all: 75.6

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Processing

Software
NameVersionClassification
X-PLOR98.1refinement
MAR345data collection
SCALEPACKdata scaling
X-PLORphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: murine iNOS holoenzyme structure, PDB ID 2NOD

2nod


Resolution: 2.3→8 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.285 2537 5.1 %RANDOM
Rwork0.252 ---
all0.252 ---
obs0.252 50161 73.3 %-
Displacement parametersBiso mean: 54.8 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.36 Å0.3 Å
Luzzati d res low-5 Å
Luzzati sigma a0.31 Å0.25 Å
Refinement stepCycle: LAST / Resolution: 2.3→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6736 0 153 394 7283
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONx_bond_d0.008
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_deg1.4
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d24
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.25
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it2.911.5
X-RAY DIFFRACTIONx_mcangle_it4.332
X-RAY DIFFRACTIONx_scbond_it4.732
X-RAY DIFFRACTIONx_scangle_it6.322.5
LS refinement shellResolution: 2.3→2.44 Å / Rfactor Rfree error: 0.019 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.297 241 5 %
Rwork0.261 4574 -
obs--42.8 %

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