4F9T

Ribosomal protein L1 from Thermus thermophilus with substitution Thr217Ala

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	10	295	15 MG/ML L1 50 MM GLYCINE,INITIALLY AT PH 10 5% (V/V)METHANE PENTANEDIOL 1.2 M AMMONIUM SULFATE EQUILIBRATED AGAINST 2.4 M AMMONIUM SULFATE 7% (V/V) METHANE PENTANEDIOL , VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.94	α = 90
b = 62.12	β = 90
c = 43.62	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	100	IMAGE PLATE	MAR scanner 345 mm plate	COLLIMATOR 0.3X0.3	2005-05-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7B	1.072	EMBL/DESY, HAMBURG	BW7B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.46	20	97.8	0.037	0.045	25.2	7	38935	38090			21

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.46	1.6	94.1		0.139	0.195	9.4	6.8	8632

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.46	15	38935	36430	1916	94.7	0.166	0.16561	0.16366	0.20246	RANDOM	22.505

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]
2.04			-0.2		-1.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.858
r_sphericity_free	24.757
r_sphericity_bonded	15.101
r_dihedral_angle_4_deg	11.823
r_scangle_it	10.087
r_dihedral_angle_3_deg	9.053
r_rigid_bond_restr	8.589
r_scbond_it	8.494
r_mcangle_it	8.296
r_mcbond_it	7.535
r_dihedral_angle_1_deg	3.2
r_angle_refined_deg	1.428
r_nbtor_refined	0.319
r_nbd_refined	0.248
r_symmetry_vdw_refined	0.242
r_symmetry_hbond_refined	0.194
r_xyhbond_nbd_refined	0.184
r_chiral_restr	0.107
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1720
Nucleic Acid Atoms
Solvent Atoms	305
Heterogen Atoms	82

Software

Software
Software Name	Purpose
XPLAN	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling