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- PDB-7x81: The crystal structure of PloI4-C16M/D46A/I137V in complex with ex... -

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Basic information

Entry
Database: PDB / ID: 7x81
TitleThe crystal structure of PloI4-C16M/D46A/I137V in complex with exo-2+2 adduct
ComponentsPloI4
KeywordsLYASE / PloI4 / mutant / 2+2 Cyclase / exo-2+2 adduct
Function / homologyAOC barrel-like / Allene oxide cyclase-like / Beta Barrel / Mainly Beta / Chem-9LC
Function and homology information
Biological speciesMicromonospora sp. (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.104 Å
AuthorsLi, M. / Pan, L.F.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)21822705 China
CitationJournal: Nat.Chem. / Year: 2023
Title: A cyclase that catalyses competing 2 + 2 and 4 + 2 cycloadditions.
Authors: Wang, H. / Zou, Y. / Li, M. / Tang, Z. / Wang, J. / Tian, Z. / Strassner, N. / Yang, Q. / Zheng, Q. / Guo, Y. / Liu, W. / Pan, L. / Houk, K.N.
History
DepositionMar 10, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Feb 8, 2023Provider: repository / Type: Initial release
Revision 1.1Feb 15, 2023Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Nov 29, 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: PloI4
B: PloI4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,9324
Polymers30,9362
Non-polymers9952
Water3,495194
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: equilibrium centrifugation
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3360 Å2
ΔGint-25 kcal/mol
Surface area12610 Å2
MethodPISA
Unit cell
Length a, b, c (Å)84.590, 175.920, 50.694
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-341-

HOH

21B-374-

HOH

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Components

#1: Protein PloI4


Mass: 15468.177 Da / Num. of mol.: 2 / Mutation: C16M/D46A/I137V
Source method: isolated from a genetically manipulated source
Details: This structure is C16M/D46A/I137V mutant. / Source: (gene. exp.) Micromonospora sp. (bacteria) / Production host: Escherichia coli (E. coli)
#2: Chemical ChemComp-9LC / (4S,4aS,6aR,8R,9R,11E,12aR,14aS,17E,18aR,18bR)-9-ethyl-4,8,19-trihydroxy-11,12a,13,18a-tetramethyl-2,3,4,4a,6a,7,8,9,10,12a,13,14,18a,18b-tetradecahydro-14a,17-(metheno)cyclobuta[b]naphtho[2,1-j][1]azacyclotetradecine-16,18(1H,15H)-dione


Mass: 497.666 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C30H43NO5 / Feature type: SUBJECT OF INVESTIGATION
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 194 / 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: 3.05 Å3/Da / Density % sol: 59.65 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop
Details: 1.83 M Malonic acid, 0.25 M Ammonium citrate tribasic, 0.12 M Succinic acid, 0.3 M DL-Malic acid, 0.4 M Sodium acetate trihydrate, 0.5 M Sodium formate, 0.16 M Ammonium tartrate dibasic, pH 7.6

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.97856 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Jun 5, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97856 Å / Relative weight: 1
ReflectionResolution: 2.1→76.235 Å / Num. obs: 22436 / % possible obs: 99.9 % / Redundancy: 10.7 % / Rmerge(I) obs: 0.212 / Net I/σ(I): 10.3
Reflection shellResolution: 2.1→2.14 Å / Rmerge(I) obs: 1.321 / Mean I/σ(I) obs: 2 / Num. unique obs: 1081 / % possible all: 100

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Processing

Software
NameVersionClassification
PHENIX1.14_3260refinement
PDB_EXTRACT3.27data extraction
autoPROCdata reduction
autoPROCdata scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7X80
Resolution: 2.104→76.235 Å / SU ML: 0.21 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 21.21 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2183 1145 5.1 %
Rwork0.1768 21284 -
obs0.1789 22429 99.9 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 140.36 Å2 / Biso mean: 35.358 Å2 / Biso min: 10.53 Å2
Refinement stepCycle: final / Resolution: 2.104→76.235 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2144 0 158 194 2496
Biso mean--38.8 37.99 -
Num. residues----286
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork
2.104-2.19980.25561450.21482632
2.1998-2.31580.25681640.20462575
2.3158-2.46090.27091370.20832614
2.4609-2.65090.26871320.21162653
2.6509-2.91760.25361480.19072633
2.9176-3.33980.22431450.1762667
3.3398-4.20780.17661230.14882705
4.2078-76.2350.17811510.15822805
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)
11.4619-0.61040.6841.07850.25391.6819-0.02750.2386-0.1403-0.1261-0.07740.199-0.05160.0162-0.04580.1475-0.014-0.01580.2036-0.00360.2168-32.5261-37.3719-11.7381
21.74022.0494-0.04864.19371.2311.40360.0696-0.42670.06610.4245-0.1829-0.8674-0.19760.57630.11210.2694-0.0623-0.12960.3428-0.02710.3185-15.1099-23.775211.268
31.0390.01120.19981.06210.26062.0441-0.05830.01550.0056-0.0053-0.0288-0.0296-0.062-0.09370.05220.06510.0327-0.00360.1555-0.00480.1594-27.9669-35.0209-7.7301
40.7169-0.2301-0.15070.6124-0.13771.6557-0.0023-0.0632-0.06390.0080.06870.1140.0017-0.2654-0.09830.0741-0.00050.00620.1732-0.0030.1846-33.3733-37.3148-8.3433
51.3265-0.4640.75310.68720.68332.173-0.17070.10030.4634-0.19660.2348-0.0406-0.6084-0.0261-0.02310.5377-0.0213-0.04110.20280.0440.3356-26.8434-9.4288-7.9662
62.0393-0.3859-0.92162.6731-0.41372.2391-0.2686-0.19670.02490.57370.34390.1432-0.152-0.30520.03320.25470.0409-0.0290.26190.00530.1586-27.2234-32.052614.2452
71.4369-1.48761.02934.1377-2.05261.5055-0.0053-0.04130.08190.005-0.09120.1529-0.5608-0.0478-0.05550.3980.0758-0.07040.1412-0.05910.2129-29.6965-11.5686-4.2385
80.95520.0360.28251.27530.17822.1611-0.23140.01540.2358-0.0738-0.0201-0.0919-0.61690.0990.17040.2738-0.0118-0.03320.15230.01290.2571-24.3869-16.6734-7.7857
93.68170.74760.20512.16051.71591.4477-0.33360.39620.4615-0.09120.4664-0.3878-0.5070.426-0.4950.4657-0.073-0.10940.17210.05330.3098-23.8111-10.6224-11.3825
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resid 1 through 21 )A1 - 21
2X-RAY DIFFRACTION2chain 'A' and (resid 22 through 40 )A22 - 40
3X-RAY DIFFRACTION3chain 'A' and (resid 41 through 96 )A41 - 96
4X-RAY DIFFRACTION4chain 'A' and (resid 97 through 145 )A97 - 145
5X-RAY DIFFRACTION5chain 'B' and (resid 5 through 21 )B5 - 21
6X-RAY DIFFRACTION6chain 'B' and (resid 22 through 40 )B22 - 40
7X-RAY DIFFRACTION7chain 'B' and (resid 41 through 67 )B41 - 67
8X-RAY DIFFRACTION8chain 'B' and (resid 68 through 133 )B68 - 133
9X-RAY DIFFRACTION9chain 'B' and (resid 134 through 145 )B134 - 145

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