1RL2

RIBOSOMAL PROTEIN L2 RNA-BINDING DOMAIN FROM BACILLUS STEAROTHERMOPHILUS

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		PROTEIN WAS CRYSTALLIZED FROM 15% PEK20000 IN 0.1M MES PH6, pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.18	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 28.05	α = 99.58
b = 36.19	β = 95.86
c = 69.71	γ = 102.63

Symmetry
Space Group	P 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	IMAGE PLATE	RIGAKU	FOCUSING MIRRORS	1998-05-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-18B	0.9000, 0.9785, 0.9788	Photon Factory	BL-18B

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	2.3	40	98.6	0.084	8.3	3.9		11430			15

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.3	2.42	96.8		0.354	2.1	3.9

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.3	20	11415	11415	1117	98.6	0.203	0.258	RANDOM	29.7

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]
-4.11	4.4	-2.89	12.94	-5.8	-8.83

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	26.1
x_scangle_it	4.87
x_scbond_it	3.57
x_mcangle_it	3.47
x_mcbond_it	2.2
x_angle_deg	1.6
x_improper_angle_d	1.03
x_bond_d	0.011
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2064
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms

Software

Software
Software Name	Purpose
SHARP	phasing
SOLOMON	phasing
CNS	refinement
DENZO	data reduction
CCP4	data scaling