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- PDB-3quc: Crystal structure of pyrophosphatase from bacteroides thetaiotaom... -

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Basic information

Entry
Database: PDB / ID: 3quc
TitleCrystal structure of pyrophosphatase from bacteroides thetaiotaomicron, glu47asn mutant complexed with sulfate
ComponentsINORGANIC PYROPHOSPHATASE
KeywordsHYDROLASE / PYROPHOSPHATASE / MAGNESIUM BIN NEW YORK SGX RESEARCH CENTER FOR STRUCTURAL GENOMICS / ENZYME FUNCTION INITIATIVE / EFI / PSI-2 / Protein Structure Initiative / NYSGXRC
Function / homology
Function and homology information


sugar-phosphatase activity / carbohydrate metabolic process / metal ion binding
Similarity search - Function
: / Haloacid dehalogenase-like hydrolase / Haloacid dehalogenase-like hydrolase / Putative phosphatase; domain 2 / Phosphoglycolate phosphatase-like, domain 2 / HAD hydrolase, subfamily IA / HAD superfamily/HAD-like / HAD superfamily / HAD-like superfamily / DNA polymerase; domain 1 ...: / Haloacid dehalogenase-like hydrolase / Haloacid dehalogenase-like hydrolase / Putative phosphatase; domain 2 / Phosphoglycolate phosphatase-like, domain 2 / HAD hydrolase, subfamily IA / HAD superfamily/HAD-like / HAD superfamily / HAD-like superfamily / DNA polymerase; domain 1 / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Beta-phosphoglucomutase
Similarity search - Component
Biological speciesBacteroides thetaiotaomicron (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsPatskovsky, Y. / Huang, H. / Toro, R. / Gerlt, J.A. / Burley, S.K. / Dunaway-Mariano, D. / Almo, S.C. / New York SGX Research Center for Structural Genomics (NYSGXRC) / Enzyme Function Initiative (EFI)
CitationJournal: Biochemistry / Year: 2011
Title: Divergence of Structure and Function in the Haloacid Dehalogenase Enzyme Superfamily: Bacteroides thetaiotaomicron BT2127 Is an Inorganic Pyrophosphatase.
Authors: Huang, H. / Patskovsky, Y. / Toro, R. / Farelli, J.D. / Pandya, C. / Almo, S.C. / Allen, K.N. / Dunaway-Mariano, D.
History
DepositionFeb 23, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 27, 2011Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 16, 2011Group: Database references
Revision 1.3Feb 10, 2021Group: Database references / Derived calculations / Structure summary
Category: audit_author / struct_ref_seq_dif / struct_site
Item: _audit_author.identifier_ORCID / _struct_ref_seq_dif.details ..._audit_author.identifier_ORCID / _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 13, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: INORGANIC PYROPHOSPHATASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,2814
Polymers26,9931
Non-polymers2883
Water2,288127
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: INORGANIC PYROPHOSPHATASE
hetero molecules

A: INORGANIC PYROPHOSPHATASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,5628
Polymers53,9862
Non-polymers5766
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation6_555-x,-x+y,-z+1/31
Buried area2330 Å2
ΔGint-93 kcal/mol
Surface area19030 Å2
MethodPISA
Unit cell
Length a, b, c (Å)84.720, 84.720, 79.213
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121

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Components

#1: Protein INORGANIC PYROPHOSPHATASE


Mass: 26992.863 Da / Num. of mol.: 1 / Mutation: E47N
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacteroides thetaiotaomicron (bacteria)
Gene: BT_2127 / References: UniProt: Q8A5V9, inorganic diphosphatase
#2: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 127 / 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: 3.04 Å3/Da / Density % sol: 59.6 %
Crystal growTemperature: 294 K / Method: vapor diffusion, sitting drop / pH: 8.5
Details: 0.1M TRIS-HCL, PH 8.5, 30% PEG4000, 200MM LITHIUM SULFATE, 5MM MAGNESIUM CHLORIDE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

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Data collection

DiffractionMean temperature: 90 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 1.075
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Sep 24, 2009 / Details: MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.075 Å / Relative weight: 1
ReflectionResolution: 1.87→50 Å / Num. obs: 27575 / % possible obs: 97.2 % / Observed criterion σ(I): -5 / Redundancy: 6.4 % / Rsym value: 0.076 / Net I/σ(I): 4.3
Reflection shellResolution: 1.87→1.94 Å / Redundancy: 4 % / Rmerge(I) obs: 0.76 / Mean I/σ(I) obs: 1.2 / % possible all: 95.3

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Processing

Software
NameVersionClassification
PHASERphasing
REFMAC5.3.0034refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3QU2

3qu2


Resolution: 2→20 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.928 / SU B: 4.978 / SU ML: 0.138 / Cross valid method: THROUGHOUT / ESU R Free: 0.175 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.28339 703 3.2 %RANDOM
Rwork0.21614 ---
obs0.21816 21265 97.32 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 57.068 Å2
Baniso -1Baniso -2Baniso -3
1-3.03 Å21.52 Å20 Å2
2--3.03 Å20 Å2
3----4.55 Å2
Refinement stepCycle: LAST / Resolution: 2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1759 0 15 127 1901
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0221858
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2561.9762529
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.5695241
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.79225.18581
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.66715332
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.139156
X-RAY DIFFRACTIONr_chiral_restr0.0880.2279
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.021393
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1640.3877
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.2960.51269
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1820.5235
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1180.328
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2040.518
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it3.84521171
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it5.41231848
X-RAY DIFFRACTIONr_scbond_it7.5824768
X-RAY DIFFRACTIONr_scangle_it9.5896672
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2→2.051 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.313 44 -
Rwork0.268 1567 -
obs--99.94 %

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