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- PDB-1skq: The crystal structure of Sulfolobus solfataricus elongation facto... -

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Basic information

Entry
Database: PDB / ID: 1skq
TitleThe crystal structure of Sulfolobus solfataricus elongation factor 1-alpha in complex with magnesium and GDP
ComponentsElongation factor 1-alpha
KeywordsTRANSLATION / Elongation factors / archaea / protein synthesis
Function / homology
Function and homology information


protein-synthesizing GTPase / translation elongation factor activity / GTPase activity / GTP binding / cytoplasm
Similarity search - Function
Translation elongation factor EF1A, eukaryotic/archaeal / : / GTP-eEF1A C-terminal domain-like / : / Elongation factor Tu C-terminal domain / Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal / Translation factors / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / Translation elongation factor EFTu-like, domain 2 ...Translation elongation factor EF1A, eukaryotic/archaeal / : / GTP-eEF1A C-terminal domain-like / : / Elongation factor Tu C-terminal domain / Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal / Translation factors / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / Translation elongation factor EFTu-like, domain 2 / Elongation factor Tu domain 2 / Elongation Factor Tu (Ef-tu); domain 3 / Translational (tr)-type GTP-binding domain / Elongation factor Tu GTP binding domain / Translational (tr)-type guanine nucleotide-binding (G) domain profile. / Small GTP-binding protein domain / Translation protein, beta-barrel domain superfamily / P-loop containing nucleotide triphosphate hydrolases / Beta Barrel / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / Elongation factor 1-alpha
Similarity search - Component
Biological speciesSulfolobus solfataricus (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsVitagliano, L. / Ruggiero, A. / Masullo, M. / Cantiello, P. / Arcari, P. / Zagari, A.
Citation
Journal: Biochemistry / Year: 2004
Title: The crystal structure of Sulfolobus solfataricus elongation factor 1alpha in complex with magnesium and GDP.
Authors: Vitagliano, L. / Ruggiero, A. / Masullo, M. / Cantiello, P. / Arcari, P. / Zagari, A.
#1: Journal: Embo J. / Year: 2001
Title: THE CRYSTAL STRUCTURE OF SULFOLOBUS SOLFATARICUS ELONGATION FACTOR 1 ALPHA IN COMPLEX WITH GDP REVEALS NOVEL FEATURES IN NUCLEOTIDE BINDING AND EXCHANGE
Authors: Vitagliano, L. / Masullo, M. / Sica, F. / Zagari, A. / Bocchini, V.
History
DepositionMar 5, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 20, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 14, 2018Group: Experimental preparation / Category: exptl_crystal_grow
Item: _exptl_crystal_grow.pdbx_details / _exptl_crystal_grow.temp
Revision 1.4Aug 23, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 999SEQUENCE The sequence conflicts are due to strain differences between strains MT3 and MT4. The ...SEQUENCE The sequence conflicts are due to strain differences between strains MT3 and MT4. The protein crystallized is from strain MT4. The conflicts are noted in Swiss-Prot.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Elongation factor 1-alpha
B: Elongation factor 1-alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)97,9895
Polymers97,0782
Non-polymers9113
Water6,359353
1
A: Elongation factor 1-alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,0073
Polymers48,5391
Non-polymers4682
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Elongation factor 1-alpha
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,9822
Polymers48,5391
Non-polymers4431
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)61.950, 113.830, 81.080
Angle α, β, γ (deg.)90.00, 90.10, 90.00
Int Tables number4
Space group name H-MP1211
DetailsThe biological assembly is the monomer

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Components

#1: Protein Elongation factor 1-alpha / EF-1-alpha / Elongation factor Tu / EF-Tu


Mass: 48539.059 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sulfolobus solfataricus (archaea) / Strain: MT4 / Gene: TUF, TEF1, SSO0216 / Plasmid: pT7-7 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P35021
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 353 / 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: 2.94 Å3/Da / Density % sol: 58.21 %
Crystal growTemperature: 277 K / Method: microbatch under oil / pH: 5.6
Details: PEG4000, isopropanol, sodium citrate, pH 5.6, microbatch under oil, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-1 / Wavelength: 0.99 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Nov 30, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.99 Å / Relative weight: 1
ReflectionResolution: 1.8→30 Å / Num. all: 98914 / Num. obs: 98914 / % possible obs: 94.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rmerge(I) obs: 0.035
Reflection shellResolution: 1.8→1.86 Å / Rmerge(I) obs: 0.343 / % possible all: 80

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1JNY

1jny


Resolution: 1.8→30 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.255 8871 RANDOM
Rwork0.219 --
all0.23 95697 -
obs0.223 89093 -
Refinement stepCycle: LAST / Resolution: 1.8→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6506 0 57 353 6916
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.019
X-RAY DIFFRACTIONc_angle_deg2
X-RAY DIFFRACTIONc_dihedral_angle_d25.5
X-RAY DIFFRACTIONc_improper_angle_d1.3

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