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- PDB-1zo2: Structure of nuclear transport factor 2 (Ntf2) from Cryptosporidi... -

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Basic information

Entry
Database: PDB / ID: 1zo2
TitleStructure of nuclear transport factor 2 (Ntf2) from Cryptosporidium parvum
Componentsnuclear transport factor 2
KeywordsTRANSPORT PROTEIN / NUCLEAR TRANSPORT / Structural Genomics / Structural Genomics Consortium / SGC
Function / homology
Function and homology information


nuclear pore central transport channel / nucleocytoplasmic transport / mRNA transport / protein transport / cytoplasm
Similarity search - Function
Nuclear transport factor 2/Mtr2 / Nuclear transport factor 2, eukaryote / Nuclear transport factor 2 domain profile. / Nuclear transport factor 2 (NTF2) domain / Nuclear transport factor 2 domain / Nuclear Transport Factor 2; Chain: A, - #50 / NTF2-like domain superfamily / Nuclear Transport Factor 2; Chain: A, / Roll / Alpha Beta
Similarity search - Domain/homology
Nuclear transport factor 2
Similarity search - Component
Biological speciesCryptosporidium parvum (eukaryote)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.6 Å
AuthorsChoe, J. / Artz, J.D. / Gao, M. / Lew, J. / Zhao, Y. / Arrowsmith, C. / Edwards, A. / Sundstrom, M. / Bochkarev, A. / Hui, R. / Structural Genomics Consortium (SGC)
CitationJournal: Mol.Biochem.Parasitol. / Year: 2007
Title: Genome-scale protein expression and structural biology of Plasmodium falciparum and related Apicomplexan organisms.
Authors: Vedadi, M. / Lew, J. / Artz, J. / Amani, M. / Zhao, Y. / Dong, A. / Wasney, G.A. / Gao, M. / Hills, T. / Brokx, S. / Qiu, W. / Sharma, S. / Diassiti, A. / Alam, Z. / Melone, M. / Mulichak, A. ...Authors: Vedadi, M. / Lew, J. / Artz, J. / Amani, M. / Zhao, Y. / Dong, A. / Wasney, G.A. / Gao, M. / Hills, T. / Brokx, S. / Qiu, W. / Sharma, S. / Diassiti, A. / Alam, Z. / Melone, M. / Mulichak, A. / Wernimont, A. / Bray, J. / Loppnau, P. / Plotnikova, O. / Newberry, K. / Sundararajan, E. / Houston, S. / Walker, J. / Tempel, W. / Bochkarev, A. / Kozieradzki, I. / Edwards, A. / Arrowsmith, C. / Roos, D. / Kain, K. / Hui, R.
History
DepositionMay 12, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 31, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software / Item: _software.classification / _software.name
Revision 1.4Aug 23, 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: nuclear transport factor 2
B: nuclear transport factor 2


Theoretical massNumber of molelcules
Total (without water)29,3972
Polymers29,3972
Non-polymers00
Water3,207178
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2730 Å2
ΔGint-14 kcal/mol
Surface area11240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)43.516, 61.733, 85.543
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein nuclear transport factor 2 / Ntf2


Mass: 14698.395 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Cryptosporidium parvum (eukaryote) / Plasmid: pET28 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: Q5CQI4
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 178 / 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: 2.1 Å3/Da / Density % sol: 41.7 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: PEG 3350, Ammonium phosphate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-E / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: May 11, 2005
RadiationMonochromator: CONFOCAL MAXFLUX OPTICS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.6→35.3 Å / Num. all: 28649 / Num. obs: 28649 / % possible obs: 91.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.7 % / Biso Wilson estimate: 22.5 Å2 / Rmerge(I) obs: 0.046 / Net I/σ(I): 35.7
Reflection shellResolution: 1.6→1.66 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.269 / Mean I/σ(I) obs: 5.2 / % possible all: 56.2

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Processing

Software
NameVersionClassification
CNS1.1refinement
SBC-Collectdata collection
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDb entry 1GYB

1gyb


Resolution: 1.6→35.16 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 823352.82 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.253 1375 4.9 %RANDOM
Rwork0.212 ---
obs0.212 28649 91.8 %-
all-28649 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 51.8368 Å2 / ksol: 0.404979 e/Å3
Displacement parametersBiso mean: 19.3 Å2
Baniso -1Baniso -2Baniso -3
1-3.23 Å20 Å20 Å2
2---1.74 Å20 Å2
3----1.49 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.25 Å0.22 Å
Luzzati d res low-5 Å
Luzzati sigma a0.17 Å0.19 Å
Refinement stepCycle: LAST / Resolution: 1.6→35.16 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1998 0 0 178 2176
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d25.7
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.8
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 1.6→1.7 Å / Rfactor Rfree error: 0.028 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.345 148 4.8 %
Rwork0.362 2936 -
obs--60.6 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3ion.param

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