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- PDB-4um4: STRUCTURE OF INORGANIC PYROPHOSPHATASE FROM ESCHERICHIA COLI IN C... -

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Basic information

Entry
Database: PDB / ID: 4um4
TitleSTRUCTURE OF INORGANIC PYROPHOSPHATASE FROM ESCHERICHIA COLI IN COMPLEX WITH SULFATE
ComponentsINORGANIC PYROPHOSPHATASE
KeywordsHYDROLASE
Function / homology
Function and homology information


inorganic triphosphate phosphatase activity / inorganic diphosphatase / inorganic diphosphate phosphatase activity / phosphate-containing compound metabolic process / magnesium ion binding / zinc ion binding / membrane / cytosol
Similarity search - Function
Inorganic Pyrophosphatase / Inorganic pyrophosphatase / Inorganic pyrophosphatase signature. / Inorganic pyrophosphatase / Inorganic pyrophosphatase superfamily / Inorganic pyrophosphatase / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
Inorganic pyrophosphatase
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.65 Å
AuthorsCampos-Acevedo, A.A. / Rudino-Pinera, E.
CitationJournal: Biochem Biophys Rep / Year: 2016
Title: First attempts to crystallize a non-homogeneous sample of thioredoxin from Litopenaeus vannamei: What to do when you have diffraction data of a protein that is not the target?
Authors: Campos-Acevedo, A.A. / Diaz-Vilchis, A. / Sotelo-Mundo, R.R. / Rudino-Pinera, E.
History
DepositionMay 15, 2014Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 26, 2014Provider: repository / Type: Initial release
Revision 1.1Mar 15, 2017Group: Database references
Revision 1.2Oct 18, 2017Group: Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed / _citation.year
Revision 1.3Jan 10, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_sheet / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_sheet.number_strands / _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: INORGANIC PYROPHOSPHATASE
B: INORGANIC PYROPHOSPHATASE
C: INORGANIC PYROPHOSPHATASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)59,4746
Polymers59,1863
Non-polymers2883
Water1,33374
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4770 Å2
ΔGint-77.1 kcal/mol
Surface area22630 Å2
MethodPISA
Unit cell
Length a, b, c (Å)120.044, 108.943, 81.014
Angle α, β, γ (deg.)90.00, 97.48, 90.00
Int Tables number5
Space group name H-MC121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-ID
11
21
31

NCS domain segments:
Dom-IDComponent-IDEns-IDSelection details
111CHAIN A AND (RESSEQ 1:97 OR RESSEQ 101:173 )
211CHAIN B AND (RESSEQ 1:97 OR RESSEQ 101:173 )
311CHAIN C AND (RESSEQ 1:97 OR RESSEQ 101:173 )

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Components

#1: Protein INORGANIC PYROPHOSPHATASE / / PYROPHOSPHATE PHOSPHO-HYDROLASE / PPASE


Mass: 19728.529 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Production host: ESCHERICHIA COLI (E. coli) / References: UniProt: P0A7A9, inorganic diphosphatase
#2: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


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


Mass: 18.015 Da / Num. of mol.: 74 / 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: 4.44 Å3/Da / Density % sol: 72.28 % / Description: NONE
Crystal growpH: 4.6
Details: 0.1M SODIUM ACETATE TRIHYDRATE, 2.0M AMMONIUM SULFATE,5 MM DTT, pH 4.6

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X6A / Wavelength: 0.975
DetectorType: ADSC CCD / Detector: CCD / Date: Dec 8, 2011
Details: DOUBLE CRYSTAL CHANNEL CUT, SI(111), 1M LONG RH COATED TOROIDAL MIRROR FOR VERTICAL AND HORIZONTAL FOCUSING.
RadiationMonochromator: DOUBLE CRYSTAL CHANNEL CUT, SI(111), 1M LONG RH COATED TOROIDAL MIRROR FOR VERTICAL AND HORIZONTAL FOCUSING.
Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.975 Å / Relative weight: 1
ReflectionResolution: 2.65→19.1 Å / Num. obs: 27508 / % possible obs: 92 % / Observed criterion σ(I): 0 / Redundancy: 2.2 % / Biso Wilson estimate: 45.79 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 10.7
Reflection shellResolution: 2.65→2.65 Å / Redundancy: 2.2 % / Rmerge(I) obs: 0.43 / Mean I/σ(I) obs: 2.4 / % possible all: 94.1

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Processing

Software
NameVersionClassification
PHENIX(PHENIX.REFINE)refinement
XDSdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1MJW
Resolution: 2.65→19.099 Å / SU ML: 0.34 / σ(F): 1.38 / Phase error: 24.18 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2346 1380 5 %
Rwork0.1934 --
obs0.1954 27498 91.6 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.65→19.099 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4143 0 15 74 4232
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0114427
X-RAY DIFFRACTIONf_angle_d1.3946032
X-RAY DIFFRACTIONf_dihedral_angle_d18.3281689
X-RAY DIFFRACTIONf_chiral_restr0.086662
X-RAY DIFFRACTIONf_plane_restr0.007782
Refine LS restraints NCS
Ens-IDDom-IDAuth asym-IDNumberRefine-IDTypeRms dev position (Å)
11A1317X-RAY DIFFRACTIONPOSITIONAL
12B1317X-RAY DIFFRACTIONPOSITIONAL0.07
13C1293X-RAY DIFFRACTIONPOSITIONAL0.051
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.65-2.74450.35531360.29642630X-RAY DIFFRACTION94
2.7445-2.8540.31881520.26352699X-RAY DIFFRACTION94
2.854-2.98340.30141300.24392613X-RAY DIFFRACTION93
2.9834-3.14010.28161290.23782695X-RAY DIFFRACTION93
3.1401-3.33590.25211410.20442589X-RAY DIFFRACTION92
3.3359-3.59180.28351310.20592606X-RAY DIFFRACTION92
3.5918-3.95040.23361320.18112630X-RAY DIFFRACTION91
3.9504-4.51550.18031410.15562594X-RAY DIFFRACTION90
4.5155-5.66430.1971360.15252560X-RAY DIFFRACTION90
5.6643-19.09970.19681520.1822502X-RAY DIFFRACTION87

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