3GAA

The crystal structure of the protein with unknown function from Thermoplasma acidophilum

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	25% PEG4000,0.1M Mes, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
3.09	60.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 184.318	α = 90
b = 184.318	β = 90
c = 260.485	γ = 120

Symmetry
Space Group	H 3 2

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	mirrors	2006-09-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

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	2.7	101.02	99.6	0.14	17.5	9.7	44574	44396	1	1

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)
1	2.7	2.768	97.53		0.67	1.17	6.3	3446

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.7	101.02	1	44574	44396	2363	99.6	0.19923	0.19623	0.25556	RANDOM	40.639

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]
1.54	0.77		1.54		-2.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.312
r_dihedral_angle_4_deg	23.612
r_dihedral_angle_3_deg	23.571
r_dihedral_angle_1_deg	8.528
r_scangle_it	4.176
r_scbond_it	2.403
r_angle_refined_deg	2.067
r_mcangle_it	1.618
r_angle_other_deg	1.136
r_mcbond_it	0.822

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.312
r_dihedral_angle_4_deg	23.612
r_dihedral_angle_3_deg	23.571
r_dihedral_angle_1_deg	8.528
r_scangle_it	4.176
r_scbond_it	2.403
r_angle_refined_deg	2.067
r_mcangle_it	1.618
r_angle_other_deg	1.136
r_mcbond_it	0.822
r_mcbond_other	0.119
r_chiral_restr	0.118
r_bond_refined_d	0.023
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9264
Nucleic Acid Atoms
Solvent Atoms	35
Heterogen Atoms

Software

Software
Software Name	Purpose
SBC-Collect	data collection
HKL-2000	data scaling
REFMAC	refinement
HKL-2000	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.