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- PDB-7erm: Crystal structure of D-allulose 3-epimerase from Agrobacterium sp... -

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Basic information

Entry
Database: PDB / ID: 7erm
TitleCrystal structure of D-allulose 3-epimerase from Agrobacterium sp. SUL3
ComponentsD-tagatose 3-epimerase
KeywordsISOMERASE / D-allulose / rare sugar / Agrobacterium sp. SUL3 / D-allulose 3-epimerase
Function / homologyXylose isomerase-like, TIM barrel domain / Xylose isomerase-like TIM barrel / Xylose isomerase-like superfamily / D-tagatose 3-epimerase
Function and homology information
Biological speciesAgrobacterium sp. SUL3 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.32 Å
AuthorsZhu, Z.L. / Miyakawa, T. / Tanokura, M. / Lu, F.P. / Qin, H.-M.
CitationJournal: Adv Sci / Year: 2024
Title: Growth-Coupled Evolutionary Pressure Improving Epimerases for D-Allulose Biosynthesis Using a Biosensor-Assisted In Vivo Selection Platform
Authors: Li, C. / Gao, H. / Li, H. / Wang, T. / Lu, F.P. / Qin, H.-M.
History
DepositionMay 6, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 11, 2022Provider: repository / Type: Initial release
Revision 1.1Nov 29, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.2Feb 7, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: D-tagatose 3-epimerase
B: D-tagatose 3-epimerase
C: D-tagatose 3-epimerase
D: D-tagatose 3-epimerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)122,39113
Polymers121,8854
Non-polymers5069
Water3,081171
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11140 Å2
ΔGint-103 kcal/mol
Surface area38600 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.381, 98.711, 161.003
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Space group name HallP2ac2ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x,y+1/2,-z+1/2
#4: -x+1/2,-y,z+1/2

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Components

#1: Protein
D-tagatose 3-epimerase


Mass: 30471.295 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Agrobacterium sp. SUL3 (bacteria) / Gene: AKG12_23230 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / Variant (production host): Rosetta / References: UniProt: A0A0L6K0Q2
#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 171 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.23 Å3/Da / Density % sol: 44.9 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop
Details: 0.2M Magnesium chloride, 0.1M Tris pH=8.5, 30% PEG 4000

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Data collection

DiffractionMean temperature: 95 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NE3A / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Feb 16, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.32→47.19 Å / Num. obs: 89663 / % possible obs: 100 % / Redundancy: 13.1 % / Biso Wilson estimate: 39.07 Å2 / CC1/2: 0.998 / Rpim(I) all: 0.051 / Rrim(I) all: 0.184 / Net I/σ(I): 11.1
Reflection shellResolution: 2.32→2.4 Å / Mean I/σ(I) obs: 2 / Num. unique obs: 4570 / Rpim(I) all: 0.437

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7DZ2
Resolution: 2.32→47.19 Å / SU ML: 0.2926 / Cross valid method: FREE R-VALUE / σ(F): 0.01 / Phase error: 26.197
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2476 4315 4.81 %
Rwork0.1791 85348 -
obs0.1823 89663 99.87 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 46.11 Å2
Refinement stepCycle: LAST / Resolution: 2.32→47.19 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8572 0 25 171 8768
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00778784
X-RAY DIFFRACTIONf_angle_d0.868611928
X-RAY DIFFRACTIONf_chiral_restr0.04961300
X-RAY DIFFRACTIONf_plane_restr0.00471568
X-RAY DIFFRACTIONf_dihedral_angle_d13.96471212
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.32-2.350.30311520.24462816X-RAY DIFFRACTION99.93
2.35-2.370.39941510.25822818X-RAY DIFFRACTION100
2.37-2.40.34071540.26442867X-RAY DIFFRACTION100
2.4-2.430.32261530.24762791X-RAY DIFFRACTION99.93
2.43-2.470.3211170.23892913X-RAY DIFFRACTION100
2.47-2.50.33691480.24542858X-RAY DIFFRACTION100
2.5-2.530.31511770.23622807X-RAY DIFFRACTION100
2.53-2.570.2921670.23732819X-RAY DIFFRACTION99.93
2.57-2.610.29581300.22292877X-RAY DIFFRACTION100
2.61-2.660.26431610.21332804X-RAY DIFFRACTION99.9
2.66-2.70.31491480.21822844X-RAY DIFFRACTION100
2.7-2.750.25691260.2072872X-RAY DIFFRACTION100
2.75-2.80.27051550.2092849X-RAY DIFFRACTION99.93
2.8-2.860.27771060.2012880X-RAY DIFFRACTION100
2.86-2.920.2811560.20482833X-RAY DIFFRACTION100
2.92-2.990.31631270.21032915X-RAY DIFFRACTION100
2.99-3.070.31441520.20432840X-RAY DIFFRACTION99.9
3.07-3.150.31141420.21982826X-RAY DIFFRACTION100
3.15-3.240.3261520.20272827X-RAY DIFFRACTION100
3.24-3.350.31881380.20232843X-RAY DIFFRACTION99.93
3.35-3.470.27781600.18412836X-RAY DIFFRACTION99.9
3.47-3.60.2821390.16472843X-RAY DIFFRACTION99.67
3.6-3.770.19221370.15922841X-RAY DIFFRACTION99.73
3.77-3.970.22461550.1482882X-RAY DIFFRACTION99.74
3.97-4.210.21931240.13722838X-RAY DIFFRACTION99.76
4.22-4.540.21721390.1332826X-RAY DIFFRACTION99.56
4.54-50.16111360.13562844X-RAY DIFFRACTION99.77
5-5.720.19871260.1592873X-RAY DIFFRACTION99.9
5.72-7.20.1991480.17342832X-RAY DIFFRACTION99.9
7.2-47.190.16861390.15252834X-RAY DIFFRACTION98.97
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)
12.611676884521.273907890170.7733297424922.38066424520.5010576598231.10948886230.13836685109-0.04692125519410.2540302770010.0435021941703-0.06490582553740.319810002387-0.0638983615118-0.333968414303-0.05595486694730.319733946111-0.01688102916810.02150545829470.4052324821640.03832739632910.319623931339-47.9174669799-3.589545501646.77031540364
21.278972279140.482786873358-0.2143480547241.62931162905-0.6332852693042.6496457542-0.001069645149320.0649454288091-0.05006058944-0.171572821193-0.0571908323335-0.03963191596970.390529828648-0.09032286333770.06253710041320.365304972374-0.0288034824852-0.004627268102490.2838870420730.001634576017080.302827187695-35.8504823413-8.357931465259.75788377803
32.55700146239-0.350103441783-0.2960902335373.811993902841.68749605143.3113325224-0.0459519506922-0.325203930868-0.2695147809890.5166963394240.0981637946235-0.2739286958370.6695828994260.5402286381180.0888892268510.4037670208850.003400749797560.008355084988570.3401480519960.06962021692450.35540969068-30.763600466-13.09071341419.9269910779
43.767101820020.4969808300911.055749533752.306383937650.4792616827031.029795695350.204548172602-0.550271429085-1.117791827840.243748835599-0.258140875309-0.7143021340780.3466615395050.01626062289220.07795793319050.4284651841620.0609947417956-0.003392482343870.4633944567540.1799921214660.622554131783-1.73594078089-14.176230827732.6141981129
52.410376476590.0555780380301-0.01816543179580.779210598917-0.2378531789671.494900808520.00966376223248-0.220213956149-0.0962039104270.203561849882-0.140458277033-0.237048167217-0.1363600239290.3704443649850.1280537118920.300445919594-0.0597414467472-0.02951322730630.3490282216680.06863242252620.322282917417-1.732230679196.1343889970429.308282758
60.688632479163-0.4809761835690.6746488342461.275318644280.202481692042.24107973970.0138960222006-0.226030953292-0.02780489989650.2402209276520.02910161952720.08081667992010.361566062137-0.2090656574510.02164078810880.302866345283-0.0190087725139-0.01446159991690.3587904191090.03156955828380.31461505181-14.1797081452-2.8587868701629.1407723469
71.87313443352-0.7203371677971.085131056463.02471848105-1.708595951786.278782861320.08649823447380.0818664563849-0.167995233837-0.423753940763-0.08971697176960.03065100070751.19754218011-0.125769467072-0.05168493181480.3784357945240.0117910350880.002798887078390.2167900841490.001710879359530.3044487818-15.6499260887-10.408323074618.5515702282
82.793154094370.03213748632660.2887733247412.753862712970.8217194938843.46254221212-0.0333123535476-0.303785521230.533727833394-0.057713479821-0.0849876768541-0.412439896666-0.7140210256720.3120292188990.02694197289850.53355857837-0.01333689596970.03574236695790.296608111772-0.03931050327820.499756023614-31.675468933631.79709853432.2244726194
91.1662753571-0.117696559364-0.4155412514181.75439675069-0.1409946992330.909870655503-0.0288885532577-0.292795498480.354623670240.2744495616570.107179985-0.0965913196415-0.381328234115-0.0742886488275-0.0670323899420.5000062463670.039562713208-0.007498642618520.3840844073-0.1046550100440.395299262797-32.536848712923.553064646844.0445583456
103.17406768723-2.204364394210.4852472314153.45067458514-0.5192180432671.21204584707-0.224723696986-0.704748616978-0.2958546324270.7884966042360.1842988386760.532244187519-0.0281258420332-0.3570433716090.02842479458720.4040785691840.05767307070170.06108102770060.5658945066950.02994853875130.355195803848-36.758418489811.124099757852.9007273921
111.20343848089-0.3691945110030.2133959119771.10356221518-0.2271733061441.485318347390.0278257387348-0.05025285514520.104301157861-0.0295562884611-0.08382060847620.0266888651913-0.1029798081020.008838092425720.06883507251850.291379831780.01657242851010.000893225989510.285958882825-0.0205998022580.260456026183-33.014414979510.241325520633.751533601
123.2511934967-0.538780892640.5874201079071.40780461707-0.03773171609280.155902582835-0.0590839659636-0.1486933699561.05372614518-0.393442704513-0.181612804772-0.524803150767-0.0781495564580.327858031770.2650305527680.662471878889-0.07681819495640.01295310354670.6611022677720.03916544435170.691855331459-16.435649410823.493340368731.749841986
132.617073575691.952960392641.376273139914.501692297132.005874430532.67162389777-0.4125179486620.3133729891950.4805352627-0.8232053285990.146321234370.426345953309-0.4439079590620.03030471897830.1388495905810.3465586580610.0882930692308-0.05911203820.3209343967440.02222865737450.317381523922-34.269706967219.719188172818.526074469
140.934970637786-0.352692547502-0.214011618392.57885817734-0.6368401008643.059444191010.02704196099360.1833536664180.0303034637520.00278086184664-0.1010973714230.30407848064-0.0746784922543-0.3990456364440.1189697341080.3365615217630.0102006408696-0.0327297926910.2741437679110.01591056754320.322592953224-28.472875005923.7816278554-12.3138930747
151.1126927534-0.149248997624-0.1321204887670.718921908229-0.4719462254522.642857722730.001760695877750.193495140679-0.0488140860752-0.042332408136-0.03463603970280.01699653800580.180183284240.07608958307710.03627756276370.2641467640470.0201007297470.02222725069960.293263015532-0.009989065230740.261105480445-21.54651651813.76951512932-12.9550759606
162.103670147370.127322882382-0.1396594952382.46183478447-0.4220200335032.16314960383-0.01161678976790.08212371433120.165144500639-0.1368605852880.09925327786480.537231276844-0.0492346908616-0.466190777283-0.03572028812780.329302876593-0.0120551882813-0.02225198774460.3340278198040.02860544295290.34438881718-31.303396224811.09492835020.821001941104
173.31427063728-1.004199254891.481030566062.77267551705-0.6579005735383.87230793488-0.4023276461040.07910879631330.5608362646380.293817596048-0.0643867111448-0.135274026634-0.4801092551840.184216417750.4285848514530.339568738812-0.0382254630893-0.0205904018250.2168431122120.02798001741460.289260836151-24.497436726119.43778580947.33216732696
182.937182026810.7055669536540.8392069284133.111325118460.3804188189051.841169471440.004671564490070.177774218536-0.6104827954-0.1703959597980.0770567921441-0.1493062060090.3938957015940.197274700399-0.03377415923840.533867286678-0.0419218322128-0.001577589584910.3735323037660.02821875365840.448689312787-38.3191884734-25.22562691729.00433273928
191.54168217091-0.6421984955020.1725915567820.6020226377570.2790393611611.017896671290.07481165318330.0153191940564-0.486955072025-0.2688405811940.02336727421280.3933166909670.513687126967-0.153163971942-0.07793278412880.549048126808-0.147540599436-0.0943264542770.3800931908730.05869532132960.488907252627-47.0199052623-22.54986443955.93887945861
202.83179692416-0.4959400313480.3269908478740.8848656052670.5410625289690.6045491490570.08288144192880.225234958225-0.125234995991-0.4297011390290.07197849660610.5428622589090.359907196829-0.43280018088-0.162880217320.424133415981-0.0918206613194-0.08299092300940.5176049850870.002877325608150.468244705136-53.0735030739-12.68113505570.301507718017
211.043555757030.0938380703568-0.1048488611753.53210722145-0.558725657042.159596138690.3623347996040.252363538790.1772634896230.240410214042-0.1196989266271.338017793160.102444809444-0.511638869101-0.239657457470.341824342643-0.0756664110911-0.1040467661190.5880090642510.03286904388860.682333767963-60.9499198208-7.085178639722.75784676889
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'B' and (resid 137 through 187 )
2X-RAY DIFFRACTION2chain 'B' and (resid 188 through 260 )
3X-RAY DIFFRACTION3chain 'B' and (resid 261 through 283 )
4X-RAY DIFFRACTION4chain 'C' and (resid 1 through 57 )
5X-RAY DIFFRACTION5chain 'C' and (resid 58 through 218 )
6X-RAY DIFFRACTION6chain 'C' and (resid 219 through 260 )
7X-RAY DIFFRACTION7chain 'C' and (resid 261 through 283 )
8X-RAY DIFFRACTION8chain 'D' and (resid 1 through 29 )
9X-RAY DIFFRACTION9chain 'D' and (resid 30 through 116 )
10X-RAY DIFFRACTION10chain 'D' and (resid 117 through 136 )
11X-RAY DIFFRACTION11chain 'D' and (resid 137 through 237 )
12X-RAY DIFFRACTION12chain 'D' and (resid 238 through 260 )
13X-RAY DIFFRACTION13chain 'D' and (resid 261 through 283 )
14X-RAY DIFFRACTION14chain 'A' and (resid 1 through 57 )
15X-RAY DIFFRACTION15chain 'A' and (resid 58 through 204 )
16X-RAY DIFFRACTION16chain 'A' and (resid 205 through 260 )
17X-RAY DIFFRACTION17chain 'A' and (resid 261 through 283 )
18X-RAY DIFFRACTION18chain 'B' and (resid 1 through 29 )
19X-RAY DIFFRACTION19chain 'B' and (resid 30 through 76 )
20X-RAY DIFFRACTION20chain 'B' and (resid 77 through 116 )
21X-RAY DIFFRACTION21chain 'B' and (resid 117 through 136 )

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