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- PDB-2r37: Crystal structure of human glutathione peroxidase 3 (selenocystei... -

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Basic information

Entry
Database: PDB / ID: 2r37
TitleCrystal structure of human glutathione peroxidase 3 (selenocysteine to glycine mutant)
ComponentsGlutathione peroxidase 3
KeywordsOXIDOREDUCTASE / GLUTATHIONE / PEROXIDASE / PLASMA / STRUCTURAL GENOMICS CONSORTIUM / SGC / Secreted / Selenium / Selenocysteine
Function / homology
Function and homology information


response to lipid hydroperoxide / selenium binding / glutathione peroxidase / glutathione peroxidase activity / Detoxification of Reactive Oxygen Species / transcription factor binding / hydrogen peroxide catabolic process / peroxidase activity / cellular response to oxidative stress / extracellular space ...response to lipid hydroperoxide / selenium binding / glutathione peroxidase / glutathione peroxidase activity / Detoxification of Reactive Oxygen Species / transcription factor binding / hydrogen peroxide catabolic process / peroxidase activity / cellular response to oxidative stress / extracellular space / extracellular exosome / extracellular region / identical protein binding
Similarity search - Function
Glutathione peroxidase active site / Glutathione peroxidases active site. / Glutathione peroxidase / Glutathione peroxidase conserved site / Glutathione peroxidase / Glutathione peroxidases signature 2. / Glutathione peroxidase profile. / Glutaredoxin / Glutaredoxin / Thioredoxin-like superfamily ...Glutathione peroxidase active site / Glutathione peroxidases active site. / Glutathione peroxidase / Glutathione peroxidase conserved site / Glutathione peroxidase / Glutathione peroxidases signature 2. / Glutathione peroxidase profile. / Glutaredoxin / Glutaredoxin / Thioredoxin-like superfamily / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Glutathione peroxidase 3
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.85 Å
AuthorsPilka, E.S. / Guo, K. / Gileadi, O. / Rojkowa, A. / von Delft, F. / Pike, A.C.W. / Kavanagh, K.L. / Johannson, C. / Sundstrom, M. / Arrowsmith, C.H. ...Pilka, E.S. / Guo, K. / Gileadi, O. / Rojkowa, A. / von Delft, F. / Pike, A.C.W. / Kavanagh, K.L. / Johannson, C. / Sundstrom, M. / Arrowsmith, C.H. / Weigelt, J. / Edwards, A.M. / Oppermann, U. / Structural Genomics Consortium (SGC)
CitationJournal: TO BE PUBLISHED
Title: Crystal structure of human glutathione peroxidase 3 (selenocysteine to glycine mutant).
Authors: Pilka, E.S. / Guo, K. / Gileadi, O. / Rojkowa, A. / von Delft, F. / Pike, A.C.W. / Kavanagh, K.L. / Johannson, C. / Sundstrom, M. / Arrowsmith, C.H. / Weigelt, J. / Edwards, A.M. / Oppermann, U.
History
DepositionAug 29, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 11, 2007Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Oct 25, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 1.3Oct 20, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _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.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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Aug 30, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glutathione peroxidase 3
B: Glutathione peroxidase 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,2196
Polymers47,1022
Non-polymers1174
Water7,314406
1
A: Glutathione peroxidase 3
hetero molecules

A: Glutathione peroxidase 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,2196
Polymers47,1022
Non-polymers1174
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_545-x,-y-1,z1
Buried area1890 Å2
MethodPISA
2
B: Glutathione peroxidase 3
hetero molecules

B: Glutathione peroxidase 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,2196
Polymers47,1022
Non-polymers1174
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_655-x+1,-y,z1
Buried area1870 Å2
MethodPISA
3
A: Glutathione peroxidase 3
hetero molecules

A: Glutathione peroxidase 3
hetero molecules

B: Glutathione peroxidase 3
hetero molecules

B: Glutathione peroxidase 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)94,43712
Polymers94,2034
Non-polymers2348
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_545-x,-y-1,z1
crystal symmetry operation3_545-x+1/2,y-1/2,-z1
crystal symmetry operation4_445x-1/2,-y-1/2,-z1
Buried area6010 Å2
MethodPISA
Unit cell
Length a, b, c (Å)103.720, 61.308, 100.400
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212
DetailsPossibly tetramer

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Components

#1: Protein Glutathione peroxidase 3 / / GSHPx-3 / GPx-3 / Plasma glutathione peroxidase / GSHPx-P / Extracellular glutathione peroxidase / GPx-P


Mass: 23550.846 Da / Num. of mol.: 2 / Fragment: Residues 25-223 / Mutation: C73G
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GPX3, GPXP / Plasmid: pNIC-CTHF / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta / References: UniProt: P22352, glutathione peroxidase
#2: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 406 / 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: 3.39 Å3/Da / Density % sol: 63.7 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 0.1M PCB pH 8.0, 60% MPD, VAPOR DIFFUSION, SITTING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X10SA / Wavelength: 1.00721 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Jul 15, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.00721 Å / Relative weight: 1
ReflectionResolution: 1.85→38.84 Å / Num. all: 226425 / Num. obs: 226199 / % possible obs: 99.9 % / Observed criterion σ(I): 2 / Redundancy: 4.1 % / Rmerge(I) obs: 0.086 / Rsym value: 0.099 / Net I/σ(I): 12.5
Reflection shellResolution: 1.85→1.95 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.664 / Mean I/σ(I) obs: 2.3 / Num. unique all: 7975 / Rsym value: 0.763 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.3.0040refinement
MAR345CCDdata collection
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 2I3Y
Resolution: 1.85→38 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.959 / SU B: 3.906 / SU ML: 0.061 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.085 / ESU R Free: 0.088 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: The Bijvoet differences were used for phasing. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18263 2807 5.1 %RANDOM
Rwork0.1511 ---
obs0.15269 52544 99.91 %-
all-55398 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 21.621 Å2
Baniso -1Baniso -2Baniso -3
1-0.75 Å20 Å20 Å2
2---0.27 Å20 Å2
3----0.49 Å2
Refinement stepCycle: LAST / Resolution: 1.85→38 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3013 0 4 406 3423
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0140.0223140
X-RAY DIFFRACTIONr_bond_other_d0.0010.022169
X-RAY DIFFRACTIONr_angle_refined_deg1.4141.9624258
X-RAY DIFFRACTIONr_angle_other_deg1.235278
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.2395377
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.12323.836146
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.51615518
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.3041515
X-RAY DIFFRACTIONr_chiral_restr0.0920.2449
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.023476
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02673
X-RAY DIFFRACTIONr_nbd_refined0.210.2570
X-RAY DIFFRACTIONr_nbd_other0.1870.22187
X-RAY DIFFRACTIONr_nbtor_refined0.1870.21533
X-RAY DIFFRACTIONr_nbtor_other0.0890.21529
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.160.2263
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.0940.28
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.0930.210
X-RAY DIFFRACTIONr_symmetry_vdw_other0.2560.248
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1510.223
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.5231882
X-RAY DIFFRACTIONr_mcbond_other0.8463772
X-RAY DIFFRACTIONr_mcangle_it3.83453044
X-RAY DIFFRACTIONr_scbond_it6.27281307
X-RAY DIFFRACTIONr_scangle_it8.75111214
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.85→1.898 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.253 215 -
Rwork0.22 3803 -
obs--99.95 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
11.23410.13780.15651.3257-0.23030.9296-0.01460.1120.0565-0.0711-0.0079-0.03750.05430.06320.0225-0.0681-0.00370.0032-0.09330.0016-0.048810.9368-13.8473-14.5525
21.26590.04830.08681.17860.46150.9814-0.12010.25240.0859-0.1250.05610.0607-0.13360.05290.0639-0.0334-0.059-0.02790.01490.0492-0.072334.996310.5121-23.43
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA38 - 22815 - 205
2X-RAY DIFFRACTION2BB36 - 22213 - 199

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