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- PDB-2q0k: Oxidized thioredoxin reductase from Helicobacter pylori in comple... -

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Basic information

Entry
Database: PDB / ID: 2q0k
TitleOxidized thioredoxin reductase from Helicobacter pylori in complex with NADP+
ComponentsThioredoxin reductase
KeywordsOXIDOREDUCTASE / bacterial thioredoxin reductase / Helicobacter pylori / NADP+ binding
Function / homology
Function and homology information


thioredoxin-disulfide reductase / thioredoxin-disulfide reductase (NADPH) activity / removal of superoxide radicals / cell redox homeostasis / cytosol
Similarity search - Function
Thioredoxin reductase / Pyridine nucleotide-disulphide oxidoreductase, class-II, active site / Pyridine nucleotide-disulphide oxidoreductases class-II active site. / FAD/NAD(P)-binding domain / Pyridine nucleotide-disulphide oxidoreductase / FAD/NAD(P)-binding domain / FAD/NAD(P)-binding domain / 3-Layer(bba) Sandwich / FAD/NAD(P)-binding domain superfamily / Alpha Beta
Similarity search - Domain/homology
FLAVIN-ADENINE DINUCLEOTIDE / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / Thioredoxin reductase
Similarity search - Component
Biological speciesHelicobacter pylori (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsSandalova, T. / Gustafsson, T. / Lu, J. / Holmgren, A. / Schneider, G.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2007
Title: High-resolution structures of oxidized and reduced thioredoxin reductase from Helicobacter pylori.
Authors: Gustafsson, T.N. / Sandalova, T. / Lu, J. / Holmgren, A. / Schneider, G.
History
DepositionMay 22, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 3, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Source and taxonomy / Version format compliance
Revision 1.3Aug 30, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ncs_dom_lim / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.end_auth_comp_id / _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

Downloads & links

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Assembly

Deposited unit
A: Thioredoxin reductase
B: Thioredoxin reductase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)70,2126
Polymers67,1552
Non-polymers3,0584
Water6,431357
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9500 Å2
ΔGint-40 kcal/mol
Surface area24880 Å2
MethodPISA
Unit cell
Length a, b, c (Å)50.128, 99.195, 64.436
Angle α, β, γ (deg.)90.00, 100.02, 90.00
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: MET / Beg label comp-ID: MET / End auth comp-ID: HIS / End label comp-ID: HIS / Refine code: 5 / Auth seq-ID: 1 - 310 / Label seq-ID: 1 - 310

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB
DetailsThe biological assembly is a dimer

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Components

#1: Protein Thioredoxin reductase / TRXR


Mass: 33577.273 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Helicobacter pylori (bacteria) / Strain: 26695 / Gene: trxB / Plasmid: pPROK/TR / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P56431, thioredoxin-disulfide reductase
#2: Chemical ChemComp-FAD / FLAVIN-ADENINE DINUCLEOTIDE


Mass: 785.550 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C27H33N9O15P2 / Comment: FAD*YM
#3: Chemical ChemComp-NAP / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE


Mass: 743.405 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H28N7O17P3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 357 / 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: 2.35 Å3/Da / Density % sol: 47.63 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6
Details: 22% PEG 3350, 0.1M MIB pH 6.0, 8mM pentaethylene glycol monooctyl ether, EVAPORATION, temperature 293K, VAPOR DIFFUSION, HANGING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.9393 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 15, 2006
RadiationMonochromator: Silicon (1 1 1) channel-cut / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9393 Å / Relative weight: 1
ReflectionResolution: 1.7→63.5 Å / Num. all: 66999 / Num. obs: 66999 / % possible obs: 98.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.5 % / Rmerge(I) obs: 0.059 / Rsym value: 0.059 / Net I/σ(I): 5.4
Reflection shellResolution: 1.7→1.79 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.429 / Mean I/σ(I) obs: 1.7 / Rsym value: 0.429 / % possible all: 90.2

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Processing

Software
NameVersionClassificationNB
SCALAdata scaling
REFMAC5.2.0019refinement
PDB_EXTRACT2data extraction
ADSCQuantumdata collection
MOSFLMdata reduction
REFMAC5.2.0019phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1TDE
Resolution: 1.7→63.5 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.938 / SU B: 5.202 / SU ML: 0.086 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.115 / ESU R Free: 0.113 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22605 3364 5 %RANDOM
Rwork0.18834 ---
obs0.19024 63605 98.32 %-
all-66969 --
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: 23.304 Å2
Baniso -1Baniso -2Baniso -3
1-0.79 Å20 Å20.91 Å2
2---2.18 Å20 Å2
3---1.71 Å2
Refinement stepCycle: LAST / Resolution: 1.7→63.5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4688 0 202 357 5247
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0224998
X-RAY DIFFRACTIONr_bond_other_d0.0030.023314
X-RAY DIFFRACTIONr_angle_refined_deg1.6042.0116782
X-RAY DIFFRACTIONr_angle_other_deg0.8583.0058002
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.3785618
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.25424.848198
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.72215824
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.1841518
X-RAY DIFFRACTIONr_chiral_restr0.1650.2756
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.025496
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02962
X-RAY DIFFRACTIONr_nbd_refined0.2060.2986
X-RAY DIFFRACTIONr_nbd_other0.1940.23567
X-RAY DIFFRACTIONr_nbtor_refined0.1810.22479
X-RAY DIFFRACTIONr_nbtor_other0.0880.22568
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1320.2299
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.230.212
X-RAY DIFFRACTIONr_symmetry_vdw_other0.1860.239
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1930.213
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.8141.53952
X-RAY DIFFRACTIONr_mcbond_other0.2261.51288
X-RAY DIFFRACTIONr_mcangle_it0.98424878
X-RAY DIFFRACTIONr_scbond_it1.74632354
X-RAY DIFFRACTIONr_scangle_it2.3064.51904
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION

NumberTypeRms dev position (Å)Weight position
1816medium positional0.40.5
2146loose positional0.725
1816medium thermal1.432
2146loose thermal1.710
LS refinement shellResolution: 1.7→1.744 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.298 217 -
Rwork0.248 4012 -
obs--84.44 %
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)
11.382-0.3847-0.36025.4322-1.10191.772-0.04530.14180.196-0.46380.17730.62240.0788-0.1491-0.1319-0.028-0.057-0.15890.07760.0454-0.12972.94-5.68111.444
23.64573.9778-0.353414.43150.67374.6979-0.13460.07720.1881-0.62670.28280.8388-0.0846-0.3598-0.1482-0.0841-0.0404-0.21530.09070.0701-0.14330.643-5.4928.087
34.77910.9539-0.99324.89011.03342.3072-0.0060.01660.19790.0332-0.03580.6162-0.0218-0.14780.0418-0.130.0086-0.05150.04880.03820.0273-4.105-0.79929.579
42.1001-0.38970.06822.0671.05691.5096-0.0360.28360.1968-0.39140.07080.7076-0.0705-0.5099-0.0348-0.0643-0.0232-0.17060.11820.10130.0508-5.102-0.21814.975
52.19011.6976-0.07495.2375-0.75594.9748-0.24220.2762-0.1012-0.95230.31740.44330.2289-0.1715-0.07520.1192-0.0733-0.1920.05440.0062-0.15683.029-17.9848.016
62.08090.10660.16172.49620.1371.9890.04510.12090.2687-0.03630.02730.24990.007-0.0621-0.0724-0.0459-0.0288-0.02280.02730.0226-0.1198-2.117-12.4641.215
73.9808-0.34640.06382.4514-0.00491.80640.0502-0.22460.11510.21060.03230.10960.10670.1-0.0825-0.0437-0.017-0.0258-0.0001-0.028-0.20183.174-17.80749.301
84.81960.8792-1.56612.71390.02172.33440.0847-0.30140.01670.1238-0.04050.13910.1557-0.0508-0.0442-0.0238-0.0298-0.05050.01640.0049-0.1503-3.363-19.84548.549
95.75822.1939-2.82886.9247-1.03945.9023-0.44230.047-0.6389-0.4410.3268-0.01370.90690.07250.11550.14820.0122-0.06280.0051-0.017-0.1159.309-24.49715.656
101.159-0.0757-0.25872.9463-0.14221.6731-0.03210.00390.0264-0.18350.1396-0.09290.11490.1613-0.1076-0.0364-0.0118-0.07130.0626-0.0153-0.116512.928-9.39817.88
110.1790.41181.24948.30574.96969.31750.0005-0.03280.17830.1683-0.0410.60170.4459-0.46010.0405-0.0396-0.0406-0.03640.09070.0099-0.01680.162-10.12325.282
1210.00514.99351.929316.98192.25626.4836-0.68290.6391-0.8078-1.09860.5704-1.72-0.0510.87440.11250.2464-0.04560.0050.2399-0.0431-0.04898.086-22.73937.945
132.12750.92890.14081.4375-0.63222.0360.0685-0.09180.36770.2451-0.05420.2331-0.1097-0.105-0.0143-0.03410.0094-0.03540.0275-0.0341-0.049113.7139.50436.646
141.68840.17710.47911.3517-0.17382.0259-0.0145-0.02610.38440.01440.04990.2674-0.1862-0.1979-0.0354-0.1040.0334-0.03880.01390.02170.06324.14712.77627.498
152.49851.01430.17993.3886-0.84483.28050.1497-0.09280.18080.352-0.0978-0.1464-0.13710.1518-0.0519-0.0667-0.0125-0.06720.0202-0.0284-0.084626.0511.83938.53
165.52714.10122.09615.37341.71252.47840.2731-0.68490.16670.1962-0.45810.57280.1657-0.49460.185-0.0474-0.0208-0.08970.19050.0355-0.120812.07318.2666.806
176.8199-0.04642.24086.8638-1.68276.73140.4254-0.1449-1.2253-0.31690.1289-0.05770.6845-0.2041-0.5543-0.0223-0.0521-0.14330.03460.0684-0.012317.8369.96-0.115
1813.77052.1245-0.84755.74080.25036.87670.1410.3685-2.403-0.23460.3527-0.96471.08331.2454-0.49370.22320.1298-0.08890.1781-0.07130.407327.0447.265-2.497
196.22090.69481.98879.62437.245611.8023-0.32020.09090.3397-1.0155-0.19990.2737-1.1816-0.39430.52010.01850.0095-0.1730.03890.0728-0.249418.0323.141-2.09
202.3992-0.42723.2954.3415-1.840612.9058-0.19410.1124-0.0038-0.2528-0.4357-0.1921-0.73860.37990.6298-0.0452-0.0427-0.1310.09220.0634-0.204419.95320.715-0.331
216.56030.18521.47522.6201-0.54090.7059-0.05010.24420.2394-0.24970.0538-0.49350.00920.0854-0.0037-0.1238-0.0224-0.03070.0844-0.0176-0.002133.399.40830.06
221.72980.6130.49141.73250.12881.39170.06210.125-0.0881-0.01320.0401-0.08520.10880.1329-0.1022-0.06710.0116-0.05670.0524-0.0288-0.070720.580.40228.259
233.72171.95745.95382.79431.688810.7036-0.08490.20930.70570.03530.0130.2203-0.15180.19330.072-0.09670.0017-0.07130.06740.04660.055515.11113.123.034
2426.2018-0.37334.78590.35951.54868.25410.6618-1.2703-3.6220.30240.1771-1.43881.2030.3812-0.83890.28820.0258-0.21020.34390.21810.536128.10111.0738.212
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA1 - 211 - 21
2X-RAY DIFFRACTION2AA22 - 3322 - 33
3X-RAY DIFFRACTION3AA34 - 5934 - 59
4X-RAY DIFFRACTION4AA60 - 7760 - 77
5X-RAY DIFFRACTION5AA78 - 11478 - 114
6X-RAY DIFFRACTION6AA115 - 157115 - 157
7X-RAY DIFFRACTION7AA158 - 218158 - 218
8X-RAY DIFFRACTION8AA219 - 239219 - 239
9X-RAY DIFFRACTION9AA240 - 256240 - 256
10X-RAY DIFFRACTION10AA258 - 310258 - 310
11X-RAY DIFFRACTION11AC400
12X-RAY DIFFRACTION12AD401
13X-RAY DIFFRACTION13BB1 - 391 - 39
14X-RAY DIFFRACTION14BB40 - 7740 - 77
15X-RAY DIFFRACTION15BB78 - 11478 - 114
16X-RAY DIFFRACTION16BB115 - 148115 - 148
17X-RAY DIFFRACTION17BB149 - 173149 - 173
18X-RAY DIFFRACTION18BB174 - 193174 - 193
19X-RAY DIFFRACTION19BB194 - 218194 - 218
20X-RAY DIFFRACTION20BB219 - 240219 - 240
21X-RAY DIFFRACTION21BB241 - 256241 - 256
22X-RAY DIFFRACTION22BB257 - 310257 - 310
23X-RAY DIFFRACTION23BE400
24X-RAY DIFFRACTION24BF401

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