Experiment: 4KZZ

Rabbit 40S ribosomal subunit in complex with mRNA, initiator tRNA and eIF1A

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3J3A	PDB ENTRY 3J3A AND 3J3D
experimental model	PDB	3J3D	PDB ENTRY 3J3A AND 3J3D

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	292	0.1M Ammonium acetate, 0.05M Tris-HCl pH 8.5, 2.5% PEG-20K, 4-6% MPD, 5.0mM Mg acetate, 2.0mM TCEP, vapor diffusion, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
4.87	74.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 297.75	α = 90
b = 297.75	β = 90
c = 485.16	γ = 120

Symmetry
Space Group	P 31 2 1

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	ADSC QUANTUM 315		2011-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97949	APS	24-ID-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	7.03	80	99.8		9.6	39353	38696		-3	551.17

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3J3A AND 3J3D	7.0305	77.529	1.34	39353	38696	1941	98.33	0.3454	0.345	0.3353	0.3592	0.3388	RANDOM	179.8919

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]
583.8464			583.8464		498.2526

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	20.567
f_angle_d	2.743
f_chiral_restr	0.238
f_bond_d	0.026
f_plane_restr	0.022

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	39654
Nucleic Acid Atoms	39394
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction
XDS	data scaling
PHASER	phasing