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- PDB-3i2f: Cocaine Esterase with mutations T172R / G173Q, bound to DTT adduct -

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Basic information

Entry
Database: PDB / ID: 3i2f
TitleCocaine Esterase with mutations T172R / G173Q, bound to DTT adduct
ComponentsCocaine esterase
KeywordsHYDROLASE / alpha/beta hydrolase
Function / homology
Function and homology information


cocaine esterase / cocaine catabolic process / carboxylic ester hydrolase activity / dipeptidyl-peptidase activity / cytoplasm
Similarity search - Function
alpha-amino acid ester hydrolase ( Helical cap domain) / alpha-amino acid ester hydrolase ( Helical cap domain) / CocE/Serine esterase / Xaa-Pro dipeptidyl-peptidase, C-terminal / : / X-Pro dipeptidyl-peptidase C-terminal non-catalytic domain / X-Pro dipeptidyl-peptidase C-terminal non-catalytic domain / Xaa-Pro dipeptidyl-peptidase-like domain / X-Pro dipeptidyl-peptidase (S15 family) / Galactose-binding domain-like ...alpha-amino acid ester hydrolase ( Helical cap domain) / alpha-amino acid ester hydrolase ( Helical cap domain) / CocE/Serine esterase / Xaa-Pro dipeptidyl-peptidase, C-terminal / : / X-Pro dipeptidyl-peptidase C-terminal non-catalytic domain / X-Pro dipeptidyl-peptidase C-terminal non-catalytic domain / Xaa-Pro dipeptidyl-peptidase-like domain / X-Pro dipeptidyl-peptidase (S15 family) / Galactose-binding domain-like / Galactose-binding-like domain superfamily / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Jelly Rolls / Sandwich / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
(4S,5S)-4,5-BIS(MERCAPTOMETHYL)-1,3-DIOXOLAN-2-OL / Cocaine esterase
Similarity search - Component
Biological speciesRhodococcus sp. MB1 'Bresler 1999' (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Difference fourier / Resolution: 2.5 Å
AuthorsTesmer, J.J.G. / Nance, M.R.
CitationJournal: Protein Eng.Des.Sel. / Year: 2010
Title: Structural analysis of thermostabilizing mutations of cocaine esterase.
Authors: Narasimhan, D. / Nance, M.R. / Gao, D. / Ko, M.C. / Macdonald, J. / Tamburi, P. / Yoon, D. / Landry, D.M. / Woods, J.H. / Zhan, C.G. / Tesmer, J.J. / Sunahara, R.K.
History
DepositionJun 29, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 16, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Refinement description / Version format compliance
Revision 1.2Nov 1, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version
Revision 1.3Oct 13, 2021Group: Database references / Derived calculations
Category: database_2 / struct_conn ...database_2 / 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 / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Sep 6, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.5Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cocaine esterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)64,67514
Polymers63,8371
Non-polymers83813
Water4,612256
1
A: Cocaine esterase
hetero molecules

A: Cocaine esterase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)129,35128
Polymers127,6752
Non-polymers1,67626
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation12_564x,x-y+1,-z-1/61
Buried area7190 Å2
ΔGint-155 kcal/mol
Surface area38820 Å2
MethodPISA
Unit cell
Length a, b, c (Å)106.250, 106.250, 220.041
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number179
Space group name H-MP6522

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Cocaine esterase


Mass: 63837.266 Da / Num. of mol.: 1 / Mutation: T172R, G173Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rhodococcus sp. MB1 'Bresler 1999' (bacteria)
Strain: MB1 / Gene: Cocaine Esterase, cocE / Plasmid: pET-22b (+) / Production host: Escherichia coli (E. coli) / Strain (production host): BL-21 Gold (DE3)
References: UniProt: Q9L9D7, Hydrolases; Acting on ester bonds; Carboxylic-ester hydrolases

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Non-polymers , 5 types, 269 molecules

#2: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-DBC / (4S,5S)-4,5-BIS(MERCAPTOMETHYL)-1,3-DIOXOLAN-2-OL


Mass: 182.261 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H10O3S2
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 256 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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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: 2.82 Å3/Da / Density % sol: 56.4 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 10mM Tris pH 7.5, 25 mM NaCl, 1.6 M Ammonium Sulfate, 10mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 1.033 Å
DetectorDate: Aug 16, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.033 Å / Relative weight: 1
ReflectionResolution: 2.5→30 Å / Num. obs: 26002 / % possible obs: 99.5 % / Redundancy: 6 % / Rmerge(I) obs: 0.107 / Net I/σ(I): 7.8
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsDiffraction-ID% possible all
2.5-2.596.10.5591100
2.59-2.696.10.4541100
2.69-2.826.10.3351100
2.82-2.9660.2521100
2.96-3.1560.175199.9
3.15-3.3960.122199.8
3.39-3.7360.105199.8
3.73-4.275.90.096199.7
4.27-5.385.90.074199.2
5.38-305.50.063197

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACT2data extraction
HKL-2000data reduction
RefinementMethod to determine structure: Difference fourier
Starting model: PDB: 1JU3

1ju3


Resolution: 2.5→20 Å / Cor.coef. Fo:Fc: 0.959 / SU B: 5.213 / SU ML: 0.119 / Cross valid method: THROUGHOUT / ESU R: 0.389 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.208 1321 5.1 %RANDOM
Rwork0.17293 ---
obs0.17293 25949 99.73 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 43.89 Å2
Baniso -1Baniso -2Baniso -3
1--0.62 Å2-0.31 Å20 Å2
2---0.62 Å20 Å2
3---0.92 Å2
Refinement stepCycle: LAST / Resolution: 2.5→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4383 0 41 256 4680
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0224822
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2091.966626
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.2265634
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.4823.733217
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.71615719
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.2711537
X-RAY DIFFRACTIONr_chiral_restr0.0810.2736
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.023820
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2020.22217
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3050.23279
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1310.2328
X-RAY DIFFRACTIONr_xyhbond_nbd_other0.0290.21
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1660.248
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1320.213
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.5871.53117
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.02424958
X-RAY DIFFRACTIONr_scbond_it1.38531941
X-RAY DIFFRACTIONr_scangle_it2.2544.51668
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.504→2.568 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rwork0.225 1833 -
Rfree-0 -
obs--99.08 %
Refinement TLS params.Method: refined / Origin x: 15.808 Å / Origin y: 64.846 Å / Origin z: -0.254 Å
111213212223313233
T-0.0642 Å20.0211 Å20.0101 Å2--0.1064 Å20.0174 Å2--0.0131 Å2
L1.1458 °20.2971 °20.2215 °2-0.7353 °20.09 °2--0.9694 °2
S0.011 Å °-0.1326 Å °0.0592 Å °0.0455 Å °-0.0033 Å °0.0696 Å °0.0425 Å °-0.0562 Å °-0.0077 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A2 - 574
2X-RAY DIFFRACTION1A588 - 596
3X-RAY DIFFRACTION1A597 - 600

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