2OA2

Crystal structure of BH2720 (10175341) from Bacillus halodurans at 1.41 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	6	277	10.0% MPD, 0.1M MES pH 6.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.61	α = 90
b = 68.61	β = 90
c = 60.106	γ = 90

Symmetry
Space Group	P 41 21 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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2006-11-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97971, 0.97925	SSRL	BL11-1

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	1.41	48.507	91.5	0.051	21.48			26400			23.109

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	1.41	1.46	59.5		0.457	2.6		1638

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.41	48.507	26355	1314	93.47	0.166	0.165	0.189	RANDOM	19.041

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]
-0.85			-0.85		1.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.417
r_dihedral_angle_4_deg	20.268
r_dihedral_angle_3_deg	12.415
r_dihedral_angle_1_deg	6.165
r_scangle_it	5.485
r_scbond_it	4.168
r_mcangle_it	2.666
r_mcbond_it	2.006
r_angle_refined_deg	1.709
r_angle_other_deg	0.823
r_mcbond_other	0.5
r_symmetry_vdw_other	0.278
r_nbd_refined	0.198
r_nbd_other	0.186
r_nbtor_refined	0.175
r_xyhbond_nbd_refined	0.162
r_symmetry_hbond_refined	0.141
r_chiral_restr	0.101
r_nbtor_other	0.088
r_symmetry_vdw_refined	0.058
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1052
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing