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- PDB-1w4v: structure of the oxidised form of human thioredoxin 2 -

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Basic information

Entry
Database: PDB / ID: 1w4v
Titlestructure of the oxidised form of human thioredoxin 2
ComponentsTHIOREDOXIN, MITOCHONDRIAL
KeywordsOXIDOREDUCTASE / THIOREDOXIN / ANTIOXIDANT ENZYME / MITOCHONDRION / ELECTRON TRANSPORT
Function / homology
Function and homology information


Degradation of cysteine and homocysteine / Detoxification of Reactive Oxygen Species / protein-disulfide reductase activity / cell redox homeostasis / mitochondrial matrix / nucleolus / mitochondrion
Similarity search - Function
Thioredoxin / Thioredoxin / Thioredoxin, conserved site / Thioredoxin family active site. / Thioredoxin domain profile. / Thioredoxin domain / Glutaredoxin / Glutaredoxin / Thioredoxin-like superfamily / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Thioredoxin, mitochondrial
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsSmeets, A. / Evrard, C. / Declercq, J.P.
Citation
Journal: Protein Sci. / Year: 2005
Title: Crystal Structures of Oxidized and Reduced Forms of Human Mitochondrial Thioredoxin 2.
Authors: Smeets, A. / Evrard, C. / Landtmeters, M. / Marchand, C. / Knoops, B. / Declercq, J.P.
#1: Journal: J.Biol.Chem. / Year: 2002
Title: Human Mitochondrial Thioredoxin
Authors: Damdimopoulos, A.E. / Miranda-Vizuete, A. / Pelto-Huikkos, M. / Gustafsson, J.A. / Spyrou, G.
History
DepositionJul 30, 2004Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 5, 2005Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf
Revision 1.3Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: THIOREDOXIN, MITOCHONDRIAL
B: THIOREDOXIN, MITOCHONDRIAL
C: THIOREDOXIN, MITOCHONDRIAL
D: THIOREDOXIN, MITOCHONDRIAL
E: THIOREDOXIN, MITOCHONDRIAL
F: THIOREDOXIN, MITOCHONDRIAL


Theoretical massNumber of molelcules
Total (without water)79,7296
Polymers79,7296
Non-polymers00
Water13,745763
1
A: THIOREDOXIN, MITOCHONDRIAL
B: THIOREDOXIN, MITOCHONDRIAL


Theoretical massNumber of molelcules
Total (without water)26,5762
Polymers26,5762
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
2
C: THIOREDOXIN, MITOCHONDRIAL
D: THIOREDOXIN, MITOCHONDRIAL


Theoretical massNumber of molelcules
Total (without water)26,5762
Polymers26,5762
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
3
E: THIOREDOXIN, MITOCHONDRIAL
F: THIOREDOXIN, MITOCHONDRIAL


Theoretical massNumber of molelcules
Total (without water)26,5762
Polymers26,5762
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)49.060, 49.140, 78.710
Angle α, β, γ (deg.)87.75, 82.77, 79.20
Int Tables number1
Space group name H-MP1
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(-0.18804, -0.98213, 0.00733), (-0.98215, 0.18806, 0.00345), (-0.00477, -0.00655, -0.99997)61.36439, 50.73463, 75.04037
2given(0.87441, -0.37925, -0.30262), (-0.38067, -0.92297, 0.05676), (-0.30083, 0.06557, -0.95142)24.50591, 64.28873, 67.63113
3given(0.1377, -0.9589, 0.2481), (0.99037, 0.12957, -0.04888), (0.01472, 0.25244, 0.9675)42.30188, -1.8223, -19.69132
4given(-0.99826, 0.05888, -0.00014), (0.0569, 0.96411, -0.25935), (-0.01514, -0.25891, -0.96578)55.53374, 9.29175, 94.42096
5given(0.19771, 0.98007, -0.01942), (-0.91825, 0.19211, 0.34627), (0.3431, -0.05063, 0.93793)-4.62847, 37.11396, 5.54049

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Components

#1: Protein
THIOREDOXIN, MITOCHONDRIAL / MT-TRX / THIOREDOXIN 2


Mass: 13288.154 Da / Num. of mol.: 6 / Fragment: RESIDUE 60-166
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Organ: LIVER / Plasmid: PQE30 / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): M15 (PREP4) / References: UniProt: Q99757
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 763 / Source method: isolated from a natural source / Formula: H2O
Compound detailsTHIOREDOXIN POSSESSES A DITHIOL-REDUCING ACTIVITY.
Has protein modificationY
Sequence detailsAMINO ACID NUMBERING STARTS AT THR1 WHICH IS THE FIRST AMINO ACID OF THE PROCESSED PROTEIN WITHOUT ...AMINO ACID NUMBERING STARTS AT THR1 WHICH IS THE FIRST AMINO ACID OF THE PROCESSED PROTEIN WITHOUT ITS MITOCHONDRIAL PRESEQUENCE. THUS, THR1 CORRESPONDS TO THR60 OF Q99757.

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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: 2.3 Å3/Da / Density % sol: 45.8 %
Crystal growpH: 4.6
Details: PEG 3350 22% (W/V) NA ACETATE 0.1M (PH 4.6) AMMONIUM SULFATE 0.2M DTT 1MM. SOAKING IN A H2O2 SOLUTION 1MM

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM30A / Wavelength: 0.979909
DetectorType: MARRESEARCH / Detector: CCD / Date: Nov 14, 2003 / Details: M1 AND M2 MIRRORS
RadiationMonochromator: FLAT AND N2 COOLED AND SAGITTALY BENT / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979909 Å / Relative weight: 1
ReflectionResolution: 1.8→20 Å / Num. obs: 65984 / % possible obs: 99.3 % / Observed criterion σ(I): 0 / Redundancy: 2.22 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 11.67
Reflection shellResolution: 1.8→1.9 Å / Redundancy: 2.45 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 3.4 / % possible all: 99.9

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Processing

Software
NameVersionClassification
REFMAC5.1.24refinement
XDSdata reduction
XSCALEdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1UVZ

1uvz


Resolution: 1.8→19.32 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.927 / SU B: 3.158 / SU ML: 0.098 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.12 / ESU R Free: 0.128 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.228 3368 5.1 %RANDOM
Rwork0.169 ---
obs0.172 62615 99.4 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 11.32 Å2
Baniso -1Baniso -2Baniso -3
1--0.03 Å20.02 Å2-0.08 Å2
2---0.04 Å2-0.07 Å2
3---0.09 Å2
Refinement stepCycle: LAST / Resolution: 1.8→19.32 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5074 0 0 763 5837
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.0225173
X-RAY DIFFRACTIONr_bond_other_d0.010.024694
X-RAY DIFFRACTIONr_angle_refined_deg2.9471.9567005
X-RAY DIFFRACTIONr_angle_other_deg1.373311010
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.9195648
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.2120.2806
X-RAY DIFFRACTIONr_gen_planes_refined0.0140.025718
X-RAY DIFFRACTIONr_gen_planes_other0.0180.02912
X-RAY DIFFRACTIONr_nbd_refined0.2310.21177
X-RAY DIFFRACTIONr_nbd_other0.2760.25637
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other0.0970.22856
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1930.2521
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2150.237
X-RAY DIFFRACTIONr_symmetry_vdw_other0.3260.293
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1830.239
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.1081.53254
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.66525286
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it4.45631919
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.9254.51719
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.8→1.85 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.294 259
Rwork0.218 4614
Refinement TLS params.

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

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.3226-0.068-0.41311.10260.90813.7261-0.0054-0.15950.02040.0363-0.04610.04460.0007-0.09570.05140.0535-0.00970.03460.09210.03880.044942.06114.56552.892
21.18260.0460.58031.0288-0.43712.30490.01090.0855-0.0185-0.10460.03450.0285-0.05290.0626-0.04540.0932-0.00270.03680.03320.01490.045139.54412.89721.533
30.89230.85510.17163.49531.18980.515-0.09920.13970.105-0.23290.07580.1101-0.2033-0.08370.02340.2497-0.0022-0.01810.10730.05070.077939.28838.0995.619
40.64020.14590.21882.1877-0.78458.11880.21740.00550.03030.09930.07970.00660.30880.039-0.2970.2838-0.00090.00290.13410.06030.225447.6338.29235.543
52.1267-0.0126-0.5710.7295-0.42012.4375-0.0174-0.14530.0264-0.0528-0.0692-0.0516-0.05910.16730.08660.0806-0.00190.04250.16090.03550.093514.85412.20638.474
63.32310.0581-0.50870.3586-0.12190.90220.0659-0.44180.20770.0690.0559-0.0319-0.09320.1712-0.12170.10630.00380.03920.2696-0.03240.052517.39920.28268.507
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A98 - 107
2X-RAY DIFFRACTION2B98 - 107
3X-RAY DIFFRACTION3C101 - 107
4X-RAY DIFFRACTION4D99 - 107
5X-RAY DIFFRACTION5E98 - 107
6X-RAY DIFFRACTION6F100 - 107

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