Experiment: 1RLH

Structure of a conserved protein from Thermoplasma acidophilum

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	294	sodium acetate, NaCl, PEG 3350, glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.329	α = 90
b = 74.329	β = 90
c = 50.84	γ = 120

Symmetry
Space Group	P 63

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	150	CCD	CUSTOM-MADE		2002-07-15	M	SINGLE WAVELENGTH
2	1	x-ray	150	CCD	CUSTOM-MADE		2002-11-17	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.03320	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID	0.97964,0.97951,0.96411	APS	19-ID

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
1,2	1.75	39.9				14981	14981			19.9

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-Factor (All)	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	MAD + Molecular replacement	THROUGHOUT	1.8	39.9	14946	14321	715	95.8	0.1987	0.196	0.179	0.1738	0.208	0.2032	RANDOM	30.27

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]
-1.17	-0.16		-1.17		2.34

RMS Deviations
Key	Refinement Restraint Deviation
x_torsion_deg	24.6
x_angle_d	1.2
x_torsion_impr_deg	0.66
x_bond_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1159
Nucleic Acid Atoms
Solvent Atoms	238
Heterogen Atoms	1

Software

Software
Software Name	Purpose
d*TREK	data scaling
HKL-2000	data collection
HKL-2000	data reduction
SHARP	phasing
MOLREP	phasing
CNS	refinement
d*TREK	data reduction
HKL-2000	data scaling