3E1Y

Crystal structure of human eRF1/eRF3 complex

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1DT9	PDB ENTRY 1DT9, 1R5B
experimental model	PDB	1R5B	PDB ENTRY 1DT9, 1R5B

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	5.6	288	50mM MES, pH5.6, 20-22% ethylene glycol, 2mM DTT, 2mM ATP, EVAPORATION, temperature 288K

Crystal Properties
Matthews coefficient	Solvent content
3.09	60.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 173.966	α = 90
b = 173.966	β = 90
c = 119.824	γ = 90

Symmetry
Space Group	P 43

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD			2005-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9793	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	3.8	30	99.4	0.068	11.5			35459	1	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1DT9, 1R5B	3.8	30	33542	1777	99.95	0.26193	0.25977	0.30358	RANDOM	87.893

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.99			0.99		-1.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.192
r_dihedral_angle_3_deg	22.75
r_dihedral_angle_4_deg	17.655
r_dihedral_angle_1_deg	13.457
r_scangle_it	1.654
r_angle_refined_deg	1.469
r_mcangle_it	1.195
r_scbond_it	1.019
r_mcbond_it	0.618
r_chiral_restr	0.103
r_bond_refined_d	0.009
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17048
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing