2AJ7

Crystal structure of a putative contractile protein (bh3618) from bacillus halodurans at 1.67 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	7.3	277	0.2M KFormate, 20.9% PEG-3350, No Buffer, pH 7.3, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K
2	VAPOR DIFFUSION, SITTING DROP, NANODROP	7.1	273	0.2M NaF, 20.0% PEG-3350, No Buffer, pH 7.1, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 273K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.81	α = 90
b = 108.81	β = 90
c = 82.18	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	100	CCD	ADSC QUANTUM 315	flat mirror	2005-07-18	M	SINGLE WAVELENGTH
2	2	x-ray	100	CCD	MARMOSAIC 325 mm CCD		2005-07-03	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	1.000001	SSRL	BL11-1
2	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91162, 0.97913, 0.97929	SSRL	BL9-2

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	1.67	47.14	93.4	0.065	12.93	6.6		64155

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	1.67	1.73	81.4	81.4	0.753	1.72

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.67	47.12	60915	3213	99.97	0.169	0.167	0.191	RANDOM	24.674

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]
-1.45	-0.73		-1.45		2.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.219
r_dihedral_angle_4_deg	18.796
r_dihedral_angle_3_deg	12.829
r_dihedral_angle_1_deg	6.468
r_scangle_it	5.545
r_scbond_it	3.918
r_mcangle_it	3.592
r_mcbond_it	2.502
r_angle_refined_deg	1.597
r_mcbond_other	1.19
r_angle_other_deg	0.808
r_symmetry_vdw_other	0.22
r_nbd_refined	0.216
r_symmetry_hbond_refined	0.19
r_nbd_other	0.185
r_xyhbond_nbd_refined	0.183
r_nbtor_refined	0.179
r_symmetry_vdw_refined	0.165
r_chiral_restr	0.093
r_nbtor_other	0.084
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2412
Nucleic Acid Atoms
Solvent Atoms	401
Heterogen Atoms	71

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data processing
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
SHELXD	phasing
autoSHARP	phasing