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- PDB-6h6c: Carbomonoxy murine neuroglobin F106A mutant -

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Basic information

Entry
Database: PDB / ID: 6h6c
TitleCarbomonoxy murine neuroglobin F106A mutant
ComponentsNeuroglobin
KeywordsOXYGEN BINDING / heme protein / gas sensing
Function / homology
Function and homology information


Intracellular oxygen transport / positive regulation of catalytic activity / GDP-dissociation inhibitor activity / Oxidoreductases; Acting on other nitrogenous compounds as donors / nitrite reductase activity / oxygen transport / oxygen carrier activity / oxygen binding / neuron projection development / cellular response to hydrogen peroxide ...Intracellular oxygen transport / positive regulation of catalytic activity / GDP-dissociation inhibitor activity / Oxidoreductases; Acting on other nitrogenous compounds as donors / nitrite reductase activity / oxygen transport / oxygen carrier activity / oxygen binding / neuron projection development / cellular response to hydrogen peroxide / response to hypoxia / cellular response to hypoxia / perikaryon / mitochondrial matrix / heme binding / negative regulation of apoptotic process / cytosol
Similarity search - Function
: / Globin/Protoglobin / Globin / Globin / Globin domain profile. / Globin-like superfamily
Similarity search - Domain/homology
CARBON MONOXIDE / 1,4-DIETHYLENE DIOXIDE / PROTOPORPHYRIN IX CONTAINING FE / Neuroglobin
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.75 Å
AuthorsExertier, C. / Vallone, B. / Savino, C. / Freda, I. / Montemiglio, L.C. / Cerutti, G. / Scaglione, A. / Parisi, G.
Funding support Italy, 1items
OrganizationGrant numberCountry
European Union637295 Italy
CitationJournal: Sci Rep / Year: 2019
Title: Proximal and distal control for ligand binding in neuroglobin: role of the CD loop and evidence for His64 gating.
Authors: Exertier, C. / Milazzo, L. / Freda, I. / Montemiglio, L.C. / Scaglione, A. / Cerutti, G. / Parisi, G. / Anselmi, M. / Smulevich, G. / Savino, C. / Vallone, B.
History
DepositionJul 27, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 10, 2019Provider: repository / Type: Initial release
Revision 1.1Jan 17, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Aug 26, 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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Neuroglobin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)18,1379
Polymers16,9481
Non-polymers1,1898
Water2,144119
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2590 Å2
ΔGint-30 kcal/mol
Surface area8130 Å2
MethodPISA
Unit cell
Length a, b, c (Å)88.940, 88.940, 110.320
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number155
Space group name H-MH32
Components on special symmetry positions
IDModelComponents
11A-311-

HOH

21A-357-

HOH

31A-379-

HOH

41A-384-

HOH

51A-394-

HOH

61A-400-

HOH

71A-401-

HOH

81A-411-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Neuroglobin


Mass: 16948.199 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Ngb / Production host: Escherichia coli BL21(DE3) (bacteria) / Variant (production host): pLysS / References: UniProt: Q9ER97

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Non-polymers , 6 types, 127 molecules

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


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Chemical ChemComp-CMO / CARBON MONOXIDE


Mass: 28.010 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: CO
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-DIO / 1,4-DIETHYLENE DIOXIDE


Mass: 88.105 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C4H8O2
#6: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 119 / 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: 2.39 Å3/Da / Density % sol: 48.57 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 1.6 M ammonium sulfate, 0.1 M MES pH 6.5, 10% 1,4-dioxane

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 1.07 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 2, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.07 Å / Relative weight: 1
ReflectionResolution: 1.75→63.15 Å / Num. obs: 16336 / % possible obs: 100 % / Redundancy: 19.8 % / CC1/2: 1 / Rmerge(I) obs: 0.093 / Net I/σ(I): 20.1
Reflection shellResolution: 1.75→1.78 Å / Num. unique all: 5169

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Processing

Software
NameVersionClassification
REFMAC5.7.0029refinement
XDSdata reduction
XDSdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1W92

1w92


Resolution: 1.75→63.15 Å / Cor.coef. Fo:Fc: 0.977 / Cor.coef. Fo:Fc free: 0.955 / SU B: 5.198 / SU ML: 0.076 / Cross valid method: FREE R-VALUE / ESU R: 0.423 / ESU R Free: 0.122 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.20892 841 4.9 %RANDOM
Rwork0.13102 ---
obs0.13501 16336 99.99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 30.265 Å2
Baniso -1Baniso -2Baniso -3
1--0.12 Å2-0.12 Å20 Å2
2---0.12 Å20 Å2
3---0.39 Å2
Refinement stepCycle: 1 / Resolution: 1.75→63.15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1237 0 35 119 1391
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0160.0191716
X-RAY DIFFRACTIONr_bond_other_d0.0020.021625
X-RAY DIFFRACTIONr_angle_refined_deg1.8792.0522397
X-RAY DIFFRACTIONr_angle_other_deg0.98133762
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.9785224
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.34921.48181
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.15115290
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.7661524
X-RAY DIFFRACTIONr_chiral_restr0.1250.2250
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0211979
X-RAY DIFFRACTIONr_gen_planes_other0.0070.02447
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr5.60133334
X-RAY DIFFRACTIONr_sphericity_free28.887532
X-RAY DIFFRACTIONr_sphericity_bonded15.75353342
LS refinement shellResolution: 1.749→1.795 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.368 67 -
Rwork0.248 1189 -
obs--100 %

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