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- PDB-2jgc: Structure of the human eIF4E homologous protein, 4EHP without lig... -

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Basic information

Entry
Database: PDB / ID: 2jgc
TitleStructure of the human eIF4E homologous protein, 4EHP without ligand bound
Components
  • EUKARYOTIC TRANSLATION INITIATION FACTOR 4E TYPE 2
  • EUKARYOTIC TRANSLATION INITIATION FACTOR 4E-BINDING PROTEIN 1
KeywordsTRANSLATION / PHOSPHORYLATION / INITIATION FACTOR / 4EHP / EIF4E / RNA-BINDING / ACETYLATION / CAP-BINDING / EUKARYOTIC INITIATION FACTOR / PROTEIN SYNTHESIS INHIBITOR / PROTEIN BIOSYNTHESIS / TRANSLATION REGULATION
Function / homology
Function and homology information


mTORC1-mediated signalling / ISG15 antiviral mechanism / Activation of the mRNA upon binding of the cap-binding complex and eIFs, and subsequent binding to 43S / IRES-dependent translational initiation of linear mRNA / response to amino acid starvation / eukaryotic initiation factor 4E binding / translation factor activity, RNA binding / RNA cap binding / eukaryotic translation initiation factor 4F complex / mRNA cap binding complex ...mTORC1-mediated signalling / ISG15 antiviral mechanism / Activation of the mRNA upon binding of the cap-binding complex and eIFs, and subsequent binding to 43S / IRES-dependent translational initiation of linear mRNA / response to amino acid starvation / eukaryotic initiation factor 4E binding / translation factor activity, RNA binding / RNA cap binding / eukaryotic translation initiation factor 4F complex / mRNA cap binding complex / RNA 7-methylguanosine cap binding / negative regulation of protein complex assembly / TOR signaling / postsynaptic cytosol / translation repressor activity / negative regulation of translational initiation / translation initiation factor activity / cellular response to dexamethasone stimulus / response to ischemia / protein phosphatase 2A binding / positive regulation of mitotic cell cycle / lung development / G1/S transition of mitotic cell cycle / insulin receptor signaling pathway / cellular response to hypoxia / in utero embryonic development / negative regulation of translation / response to ethanol / glutamatergic synapse / ubiquitin protein ligase binding / protein-containing complex / RNA binding / nucleus / cytosol / cytoplasm
Eukaryotic initiation factor 4E / Translation Initiation factor eIF- 4e / Eukaryotic translation initiation factor 4E binding / Eukaryotic initiation factor 4E signature. / Eukaryotic translation initiation factor 4E binding protein (EIF4EBP) / Eukaryotic translation initiation factor 4E (eIF-4E), conserved site / Translation Initiation factor eIF- 4e-like / Eukaryotic translation initiation factor 4E-binding protein 1
Eukaryotic translation initiation factor 4E type 2 / Eukaryotic translation initiation factor 4E-binding protein 1
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsCameron, A.D. / Rosettani, P. / Knapp, S. / Vismara, M.G. / Rusconi, L.
CitationJournal: J. Mol. Biol. / Year: 2007
Title: Structures of the human eIF4E homologous protein, h4EHP, in its m7GTP-bound and unliganded forms.
Authors: Rosettani, P. / Knapp, S. / Vismara, M.G. / Rusconi, L. / Cameron, A.D.
Validation Report
SummaryFull reportAbout validation report
DateDeposition: Feb 12, 2007 / Release: Feb 27, 2007
RevisionDateData content typeGroupCategoryItemProviderType
1.0Feb 27, 2007Structure modelrepositoryInitial release
1.1May 8, 2011Structure modelVersion format compliance
1.2Jul 13, 2011Structure modelVersion format compliance
1.3Mar 28, 2018Structure modelDatabase references / Source and taxonomycitation / entity_src_gen_citation.journal_abbrev / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.title / _entity_src_gen.pdbx_host_org_ncbi_taxonomy_id / _entity_src_gen.pdbx_host_org_scientific_name / _entity_src_gen.pdbx_host_org_strain / _entity_src_gen.pdbx_host_org_variant

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: EUKARYOTIC TRANSLATION INITIATION FACTOR 4E TYPE 2
B: EUKARYOTIC TRANSLATION INITIATION FACTOR 4E-BINDING PROTEIN 1


Theoretical massNumber of molelcules
Total (without water)24,6442
Polymers24,6442
Non-polymers00
Water99155
1


TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1750 Å2
ΔGint-8.9 kcal/mol
Surface area12770 Å2
MethodPQS
Unit cell
γ
α
β
Length a, b, c (Å)43.499, 49.299, 103.767
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/peptide EUKARYOTIC TRANSLATION INITIATION FACTOR 4E TYPE 2 / EIF4E TYPE 2 / EIF-4E TYPE 2 / MRNA CAP-BINDING PROTEIN TYPE 3 / EUKARYOTIC TRANSLATION INITIATION FACTOR 4E-LIKE 3 / EUKARYOTIC TRANSLATION INITIATION FACTOR 4E HOMOLOGOUS PROTEIN / MRNA CAP-BINDING PROTEIN 4EHP / EIF4E-LIKE PROTEIN 4E-LP / EUKARYOTIC INITITIATION FACTOR 4E HOMOLOGOUS PROTEIN


Mass: 22499.787 Da / Num. of mol.: 1 / Fragment: RESIDUES 45-234
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PGEX-6P2 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: O60573
#2: Protein/peptide EUKARYOTIC TRANSLATION INITIATION FACTOR 4E-BINDING PROTEIN 1 / 4E-BP1 / EIF4E-BINDING PROTEIN 1 / PHOSPHORYLATED HEAT- AND ACID-STABLE PROTEIN REGULATED BY INSULIN 1 / PHAS-I / EIF4E BINDING PROTEIN


Mass: 2144.564 Da / Num. of mol.: 1 / Fragment: RESIDUES 50-66 / Source method: obtained synthetically / Source: (synth.) HOMO SAPIENS (human) / References: UniProt: Q13541
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 55 / Source method: isolated from a natural source / Formula: H2O / Water
Sequence detailsTHE INITIAL GPLHM HAS BEEN INTRODUCED DURING THE CLONING.

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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: 2.5 Å3/Da / Density % sol: 43 % / Description: NONE
Crystal growpH: 5.5 / Details: 20% PEG-3000, 0.1M SODIUM CITRATE PH 5.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-D / Wavelength: 1.5418
DetectorType: RIGAKU IMAGE PLATE / Detector: IMAGE PLATE / Date: Oct 5, 2005 / Details: MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.4→28 Å / Num. obs: 34849 / % possible obs: 98.6 % / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Biso Wilson estimate: 35.3 Å2 / Rmerge(I) obs: 0.13 / Net I/σ(I): 10.6
Reflection shellResolution: 2.4→2.53 Å / Redundancy: 3.7 % / Rmerge(I) obs: 0.48 / Mean I/σ(I) obs: 2.5 / % possible all: 96.6

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
MOSFLMdata reduction
SCALAdata scaling
REFMACphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2JGB
Resolution: 2.4→51.71 Å / Cor.coef. Fo:Fc: 0.925 / Cor.coef. Fo:Fc free: 0.9 / SU B: 7.679 / SU ML: 0.182 / Cross valid method: THROUGHOUT / ESU R: 0.442 / ESU R Free: 0.265 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. RESIDUES 44-46, 72-79 AND 220-227 ARE DISORDERED
RfactorNum. reflection% reflectionSelection details
Rfree0.249 486 5.3 %RANDOM
Rwork0.21 ---
Obs0.212 8610 98.1 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 26 Å2
Baniso -1Baniso -2Baniso -3
1--0.66 Å20 Å20 Å2
2--2.85 Å20 Å2
3----2.19 Å2
Refinement stepCycle: LAST / Resolution: 2.4→51.71 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1552 0 0 55 1607
Refine LS restraints

Refinement-ID: X-RAY DIFFRACTION

TypeDev idealDev ideal targetNumber
r_bond_refined_d0.0130.0221591
r_bond_other_d
r_angle_refined_deg1.3121.9382148
r_angle_other_deg
r_dihedral_angle_1_deg6.7775184
r_dihedral_angle_2_deg32.48922.46981
r_dihedral_angle_3_deg17.0715276
r_dihedral_angle_4_deg15.0811517
r_chiral_restr0.0940.2223
r_gen_planes_refined0.0050.021225
r_gen_planes_other
r_nbd_refined0.2060.2614
r_nbd_other
r_nbtor_refined0.3080.21019
r_nbtor_other
r_xyhbond_nbd_refined0.1720.280
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined0.2010.234
r_symmetry_vdw_other
r_symmetry_hbond_refined0.1710.23
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it0.8611.5961
r_mcbond_other
r_mcangle_it1.51421512
r_mcangle_other
r_scbond_it2.0473725
r_scbond_other
r_scangle_it3.4044.5636
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
LS refinement shellResolution: 2.4→2.46 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.315 30
Rwork0.247 581

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